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Yokogawa Electric Corporation patents


Recent patent applications related to Yokogawa Electric Corporation. Yokogawa Electric Corporation is listed as an Agent/Assignee. Note: Yokogawa Electric Corporation may have other listings under different names/spellings. We're not affiliated with Yokogawa Electric Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "Y" | Yokogawa Electric Corporation-related inventors


Field device and information providing method

A field device according to one aspect of the present invention includes a plurality of types of sensors, at least one converter configured to acquire measured results of the plurality of types of sensors and to convert the measured results into measured information, the measured information being a physical quantity, and an information providing device configured to acquire and store the measured information from the at least one converter and to provide the stored measured information to an outside of the field device in a case that a predetermined condition is satisfied.. . ... Yokogawa Electric Corporation

Engineering apparatus, engineering method, and storage medium

An engineering apparatus that is used for supporting engineering of facilities in an industrial plant according to one aspect of the present invention includes a storage storing a first data file group including first data files, the first data files including element information indicating one or a plurality of functional blocks that are constituent elements of a control logic for controlling operation of the industrial plant, a processor configured to change the element information included in the first data files, and a determiner configured to acquire a second data file group including second data files, the second data files including the changed element information in another engineering apparatus, extract differential files including the changed element information from each of the first data file group and the second data file group, and determine whether there is mismatching between functional blocks indicated by the element information included in the differential files.. . ... Yokogawa Electric Corporation

Sensor registration method, sensor registration system, and relay device

A sensor registration method according to one aspect of the present invention includes generating association information associating port information with sensor information, the port information identifying a connection port of a first communication device to which a sensor is connected, the sensor information including a type of the sensor, converting the association information to have a predetermined format, transmitting the converted association information to an information processing device configured to process data obtained from the sensor, and registering the sensor in the information processing device by storing the converted association information into the information processing device.. . ... Yokogawa Electric Corporation

Event analyzing device, event analyzing system, event analyzing method, and non-transitory computer readable storage medium

An event analyzing device includes an event data collector configured to collect event data which represents an event including an alarm which has occurred in a plurality of devices in a plant and an operation performed to the devices, a process data collector configured to collect process data of the devices in the plant, a trend change detector configured to detect a trend change of the process data collected by the process data collector, an event data converter configured to convert the trend change detected by the trend change detector into a process change event represented in the same format as the event, and a cause-effect relationship analyzer configured to integrate the event data collected by the event data collector and process change event data which represents the trend change in the process change event converted by the event data converter to analyze a cause-effect relationship between the event and the process change event.. . ... Yokogawa Electric Corporation

Event analyzing device, event analyzing system, event analyzing method, and non-transitory computer readable storage medium

An event analyzing device includes an event collector configured to collect log data of a manual operation event performed by an operator of a plant, an event analyzer configured to analyze a manual operation method or a manual operation intention of the manual operation event based on the log data, a manual operation sequence extractor configured to extract the manual operation method or the manual operation intention for each predetermined period as manual operation sequences in order of time, a manual operation sequence classifier configured to classify the manual operation sequences in which manual operations are in a similar order from among the manual operation sequences, a manual operation procedure constructor configured to construct a manual operation procedure of the operator based on the manual operation sequences, a process data collector configured to collect process data of the plant, and a manual operation condition estimator configured to estimate an execution condition under which manual operations of the manual operation procedure constructed are performed.. . ... Yokogawa Electric Corporation

Water level gauge, water pressure sensor device, and water level measurement system

A water level gauge according to one aspect of the present invention includes a first communicator configured to receive a first wireless signal indicating an absolute value of water pressure from a water pressure sensor device capable of measuring the absolute value of the water pressure, and a water level calculator configured to calculate a water level on the basis of the absolute value of the water pressure indicated by the first wireless signal received by the first communicator and an atmospheric pressure measured by a barometer.. . ... Yokogawa Electric Corporation

Maintenance operation support device, maintenance operation support method, and non-transitory computer readable storage medium

A maintenance operation support device includes a procedure information outputter configured to output procedure information representing an operation procedure of maintenance operations for a facility, the procedure information being obtained by combining action definition information for defining actions of a setting tool that adjusts or sets the facility and operation definition information for defining operations to be instructed to a maintenance operator who performs the maintenance operations for the facility.. . ... Yokogawa Electric Corporation

Waveform display device

A waveform display device includes: an operation accepting unit for accepting operation by a user; and a display controller for generating waveform display screen including a program pattern waveform for program control and an actual measurement waveform based on measurement data obtained as a result of the program control, the program pattern waveform and the actual measurement waveform being superimposed on each other, and a cursor indicating a section between a past time area showing a program pattern waveform and an actual measurement waveform in the past time and a future time area showing a future program pattern waveform. The operation accepting unit is configured to accept scroll operation for changing a position of the cursor in the waveform display screen. ... Yokogawa Electric Corporation

Cloud service control device, cloud service control system, cloud service control method, and storage medium

A cloud service control device includes a first communicator configured to control communication with a cloud service providing a plant control function of controlling a plant, a second communicator configured to control communication with a first device using service information related to the cloud service, a verifier configured to verify an operation state of the cloud service, a selector configured to select the cloud service on the basis of the verified operation state, and an information transferor configured to transfer the service information between the selected cloud service and the first device.. . ... Yokogawa Electric Corporation

Data processing device, data processing method, and storage medium

A data processing device according to one aspect of the present invention includes an extractor configured to extract time-series data indicating observed values at points in time in an analysis range from a first point in time to a second point in time, and a first calculator configured to calculate a gradient of a linear function indicating a trend of change in the observed values in the analysis range to minimize an objective function. The objective function indicates a sum of multiplication values at the points in time within the analysis range, the multiplication value is a numerical value obtained by multiplying a square of a difference between a function value of the linear function and the observed value by a weighting coefficient, and the weighting coefficient is a numerical value that increases as an elapsed time from the first point in time to each point in time increases.. ... Yokogawa Electric Corporation

Data processing device and data processing method

A data processing device according to one aspect of the present invention includes a first definer configured to define a transfer function of a process which is a control target on the basis of an output value from the process and a manipulated variable of the process, an analyzer configured to analyze frequency characteristics of the output value from the process, a second definer configured to define a target sensitivity function on the basis of a sensitivity function, a first frequency band included in the frequency characteristics, and a predetermined attenuation factor, the sensitivity function being defined based on the transfer function of the process and at least one control parameter of a controller for controlling the process, and an adjuster configured to adjust the at least one control parameter to decrease a difference between the sensitivity function and the target sensitivity function.. . ... Yokogawa Electric Corporation

Plant operation support apparatus, plant operation support method, and plant operation support program recording medium

Provided is a plant operation support apparatus including a plant simulator, a predictor, and a predicted kpi deriver. The plant simulator simulates a state at a current time or a predetermined time of a plant based on information obtained from the plant, to output an estimated value at the current time or the predetermined time of process data in the plant. ... Yokogawa Electric Corporation

Maintenance management device, maintenance management method, and non-transitory computer readable storage medium

A maintenance management device includes a vendor information acquirer configured to acquire vendor information of a vendor of a device using identification information for uniquely identifying the device, a user information acquirer configured to acquire a usage condition of the device possessed by a user who uses the device, a recommendation storage that stores a recommendation condition set based on the vendor information and a recommendation content related to maintenance of the device in association with each other, a determiner configured to determine whether the recommendation condition is satisfied or not based on the usage condition, and a recommendation notifier configured to notify of the recommendation content associated with the recommendation condition if the determiner determines that the recommendation condition is satisfied.. . ... Yokogawa Electric Corporation

Maintenance management device, maintenance management method, and non-transitory computer readable storage medium

A maintenance management device includes a vendor information acquirer configured to acquire vendor information of a vendor of a device using identification information for identifying the device, a user information acquirer configured to acquire user information of a user who uses the device, and a work order processor configured to generate a work order of a maintenance operation for the device based on the vendor information acquired by the vendor information acquirer and the user information acquired by the user information acquirer.. . ... Yokogawa Electric Corporation

06/21/18 / #20180173860

Setting apparatus, setting method, storage medium, and terminal apparatus

A setting apparatus according to an aspect of the present invention includes an authenticator configured to authenticate an operator using a setting apparatus, the setting apparatus performing a setting of an i/o module including a plurality of first connectors to which field devices are connectable and a second connector to which a controller controlling the field devices is connectable, and an authorizer configured to assign operation authorization to the operator authenticated by the authenticator on the basis of previously set authorization definition information, the operation authorization allowing the operator to perform at least one operation using the setting apparatus, the authorization definition information including first information and second information, the first information defining whether or not a change of input and output information of the field device connected to each of the first connectors is permitted, the second information defining whether or not a change of each item of the input and output information is permitted on the basis of a role of the operator.. . ... Yokogawa Electric Corporation

06/21/18 / #20180173177

Operation support apparatus, operation support system,operation support method, program, and storage medium

An operation support apparatus includes an operation control device controlling a target operation performed for a target facility on the basis of operation control information, which indicates each performed operation, including information of the target facility representing a facility that is a target for performing an operation and information of the target operation indicating contents of the operation performed for the target facility.. . ... Yokogawa Electric Corporation

06/14/18 / #20180165658

Device asset management apparatus, device asset management method, and non-transitory computer readable storage medium

A device asset management apparatus includes an operating asset state storage which stores an operating asset state representing an asset state of a field device as an operating state, an inventory asset state storage which stores an inventory asset state representing the asset state as an inventory state, an asset state changer configured to change at least one of the operating asset state and the inventory asset state based on at least one of information on a maintenance operation performed to the field device and information on warehousing and releasing of the field device, and an asset state display configured to display the operating asset state and the inventory asset state.. . ... Yokogawa Electric Corporation

06/07/18 / #20180156695

Maintenance managing apparatus, maintenance managing method, and non-transitory computer readable storage medium

A maintenance managing apparatus includes a device information acquirer configured to acquire device information including a change in a state of a field device, and a maintenance operation estimator configured to estimate a maintenance operation performed to the field device based on the device information acquired by the device information acquirer with reference to an estimation rule associating the change with a maintenance operation performed to the field device.. . ... Yokogawa Electric Corporation

05/31/18 / #20180149587

Signal detection device and optical characteristics measurement device

A signal detection device according to one aspect of the present invention includes a receiver configured to receive a signal including at least a first signal component modulated by a first frequency and a second signal component modulated by a second frequency, and a detector configured to generate, using a base signal, a first reference signal to be used for detecting the first signal component and a second reference signal to be used for detecting the second signal component, perform lock-in detection on the signal received by the receiver using the first reference signal to obtain a first detection signal, perform lock-in detection on the signal received by the receiver using the second reference signal to obtain two second detection signals having different phases from each other, and change at least one of a frequency and a phase of each of the first and second reference signals to set one of the two second detection signals to zero.. . ... Yokogawa Electric Corporation

05/24/18 / #20180145656

Resonant transducer

A resonant transducer includes a resonant beam which is formed on a semiconductor substrate, a support beam of which one end is connected to a part of the resonant beam at a predetermined angle, a first electrode which is connected to the resonant beam via the support beam, a second electrode which is disposed adjacent to a center of one side surface of the resonant beam, and a conductor which is disposed between the support beam and the second electrode, the conductor being connected to the first electrode.. . ... Yokogawa Electric Corporation

05/24/18 / #20180143046

Information processing device, maintenance apparatus, information processing method, and storage medium

An information processing device according to one aspect of the present invention includes a first acquirer configured to acquire measured data of a sensor, a second acquirer configured to acquire characteristic data of the sensor, the characteristic data having been acquired by maintaining the sensor, and a generator configured to generate teacher data in which the acquired characteristic data is associated as label information with the acquired measured data.. . ... Yokogawa Electric Corporation

05/24/18 / #20180140199

Photoacoustic wave detecting device and photoacoustic imaging device

The objective of the invention is to make it possible to provide a high-resolution photoacoustic imaging device at low cost. This photoacoustic wave detecting device includes: a beam splitter (111) which splits emitted light from a light source; an optical physical property shifting unit (120) which changes at least one physical property of the split lights in such a way that the split lights interfere with each other; a lens (140) into which each split lights enters parallel to the optical axis; and an acoustic detecting unit (150) which detects an acoustic wave generated in a region of an observation target at the focal point of the lens (140).. ... Yokogawa Electric Corporation

05/17/18 / #20180138887

Vibration transducer

A vibration transducer includes a silicon substrate, a first oxide film formed on the silicon substrate, an activation layer formed on the first oxide film, a second oxide film formed on the activation layer, a polysilicon layer formed on the second oxide film, and a substrate contact part. A vibrator, a vibrator electrode electrically conducted with the vibrator, a fixed electrode close to the vibrator and a vacuum chamber configured to surround the vibrator are formed in the activation layer. ... Yokogawa Electric Corporation

05/17/18 / #20180136616

Information processing device, information processing method, and storage medium

An information processing device according to one aspect of the present invention includes a first acquirer configured to acquire measured data of a sensor, a second acquirer configured to acquire maintenance information related to maintenance performed on the sensor, a learner configured to learn teacher data in which the acquired maintenance information as label information is associated with the acquired measured data to generate a determination model, and a storage storing the generated determination model.. . ... Yokogawa Electric Corporation

05/10/18 / #20180129193

Patrol check system, patrol check device, patrol check method, and storage medium

A patrol check system according to one aspect of the present invention includes at least one data collection device installed in a first position in an area in which facilities are installed, the data collection device being configured to collects measured values indicating a state of at least one facility installed in a first range around the first position, the facility belonging to a check target of the data collection device, the measured values being measured by a measurement device installed in the facility, and a patrol check device configured to acquire the measured values collected by the data collection device, and reflect the acquired measured values in a check result of a check record in which check items to be performed on the facility belonging to the check target of the data collection device are included.. . ... Yokogawa Electric Corporation

05/03/18 / #20180120823

Engineering tool coordination device, engineering tool coordination method, and non-transitory computer readable storage medium

An engineering tool coordination device includes a first tool interface configured to acquire first data having a first data format usable to an engineering tool, a data converter configured to convert the first data into second data usable to the control program, the second data having a second data format, a program provider configured to provide the second data to the control program, a second tool interface configured to acquire a first test request having a first test request format from the engineering tool, a test converter configured to convert the first test request into a second test request executable in the control program, the second test request having a second test request format, and a test manager configured to cause to execute an operation test program in the control program and to operate an operation test using the second data on a basis of the second test request.. . ... Yokogawa Electric Corporation

05/03/18 / #20180120357

Current measurement device

A current measurement device includes a low frequency measurement sensor configured to measure a magnetic field, a high frequency measurement sensor configured to measure the magnetic field and configured to generate a magnetic field for canceling the magnetic field applied to the low frequency measurement sensor, a magnetism sensing direction of the low frequency measurement sensor and a magnetism sensing direction of the high frequency measurement sensor being substantially parallel to each other, a negative feedback circuit configured to control a current flowing through the high frequency measurement sensor based on the magnetic field measured by the low frequency measurement sensor, a low pass filter configured to adjust a frequency characteristic of the current controlled by the negative feedback circuit, and an outputter configured to output a measurement value of the current to be measured based on the current flowing through the high frequency measurement sensor.. . ... Yokogawa Electric Corporation

04/19/18 / #20180107671

Generation of multiple worksheet exportation

A data processing system and method include processing circuitry configured to receive sensor data from a plurality of field devices and convert the sensor data to field data, receive a first source file having first field data exported from a first editor, receive a second source file having second field data exported from a second editor, filter the first and second field data according to one or more conditions, generate multiple worksheets based upon the one or more conditions of the filtered first and second field data, extract the filtered first and second field data from source fields of the first source file and the second source file and map the extracted first and second field data into related worksheet fields of the multiple worksheets, and export the multiple worksheets having the mapped and extracted first and second field data in an export file.. . ... Yokogawa Electric Corporation

04/19/18 / #20180107201

Test manager for industrial automation controllers

An engineering tool for testing a process control system includes one or more test manager instances. Each test manager instance includes circuitry that receives test cases and associated test requests. ... Yokogawa Electric Corporation

04/12/18 / #20180101148

Information processing system, information processing method, and recording medium

An information processing system includes a state data acquisition device configured to acquire state data indicating an operation state of a plant, a first classification device configured to generate a determination line used to classify the state data, a mirror image data generation device configured to generate mirror image data obtained by mirroring the acquired state data using the generated determination line, and a second classification device configured to generate a determination model on the basis of the state data and the generated mirror image data.. . ... Yokogawa Electric Corporation

04/05/18 / #20180095436

Plant control device, plant control method, and recording medium

A plant control device of the present invention includes a register configured to register a simulated dangerous condition which is a simulated representation of an operation condition under which a plant is dangerous, a first acquirer configured to acquire an operation condition of the plant, a learner configured to learn the operation condition acquired and the simulated dangerous condition registered and produce an operation model of the plant, a determiner configured to determine an operation parameter of the plant on the basis of the operation condition acquired and the operation model produced, and an instructor configured to instruct an operation of the plant on the basis of the operation parameter determined.. . ... Yokogawa Electric Corporation

03/29/18 / #20180088568

Plant simulation device and plant simulation method

A plant simulation device includes a first storage that stores a model that models a state of a facility in a plant, a first parameter that is fixed at a start operation of the plant, and a second parameter that is varied during an operation of the plant, the first parameter and the second parameter being set in the model, and a simulator that compares a process value of the facility with a simulated value calculated using the model and that adjusts the first parameter and the second parameter.. . ... Yokogawa Electric Corporation

03/29/18 / #20180088561

Processing device, network device, control method of processing device, control method of network device, and recording medium

A processing device according to one aspect of the present invention includes a provider configured to provide a process to a first device connected to a network of a process control system in a plant, an acquirer configured to acquire a live list generated by the first device based on diagnostic communication packets transmitted from the first device at predetermined time intervals, the live list comprising information indicating whether communication between the first device and another processing device that provides a process to the first device is norma, the processing device and the another processing device constituting a redundant pair 1, and a switch configured to switch a state of the provider from a standby state in which the provider is on standby to provide the process to the first device to an active state in which the provider provides the process to the first device based on the acquired live list.. . ... Yokogawa Electric Corporation

03/22/18 / #20180081350

Plant state displaying apparatus, plant state displaying system, and method of displaying plant state

A plant state displaying apparatus displaying information representing a state of a plant includes a generator that: acquires plant information from at least one of devices, apparatuses, and facilities installed in the plant; calculates a state value representing the state of the plant using the plant information; and generates a plant state diagram in which at least one of a color and a density of at least one of devices, apparatuses, and facilities from which the plant information is acquired is changed according to magnitude of the state value; and a display that displays the plant state diagram generated by the generator as the information representing the state of the plant.. . ... Yokogawa Electric Corporation

03/08/18 / #20180068550

Analog output diagnosis tool

A system, method, and an apparatus related to a diagnostic tool to recognize abnormalities in the readings from the transmitter device. The diagnostic tool may diagnose the health of the transmitter device through review of an analog output and comparing it to a digital value. ... Yokogawa Electric Corporation

02/08/18 / #20180039256

Signal transmission circuit, field device, and plant control system

A signal transmission circuit includes a first photocoupler to which a transmission signal is input, an edge detection circuit which is disposed in a primary side of the first photocoupler, the edge detection circuit being configured to detect a rising edge and a falling edge of the transmission signal, and an edge demodulation circuit which is disposed in a secondary side of the first photocoupler, the demodulation circuit being configured to demodulate the transmission signal by using only one of the rising edge and the falling edge of an edge detection signal output from the edge detection circuit via the first photocoupler.. . ... Yokogawa Electric Corporation

02/08/18 / #20180038721

Drive circuit and electromagnetic flowmeter

A drive circuit includes a primary power supplier which supplies a primary electric power in accordance with a state of the drive circuit, a secondary power supplier which supplies an operation electric power and an excitation electric power, an excitation current supplier which supplies an excitation current to an excitation coil, a power supply monitor which compares the voltage value of the operation electric power with a voltage threshold and outputs monitoring information, and a controller which determines whether a short circuit has occurred in the excitation coil based on the monitoring information, and stops supplying the excitation current if the short circuit has occurred. The voltage threshold is higher than a lowest voltage value with which the controller operates, and the voltage threshold is a voltage value representing that the short circuit has occurred in the excitation coil.. ... Yokogawa Electric Corporation

01/18/18 / #20180017959

Methods and systems for context based operator assistance for control systems

The invention comprises methods, systems and computer programs for providing context based assistance to a control system operator. The invention comprises (i) detecting a first instance of a control system event, (ii) determining event complexity corresponding to the first instance of the control system event, and (iii) responsive to event complexity exceeding a predefined complexity threshold: (a) retrieving a set of operator inputs received at a control system in response to a detected second instance of the control system event, wherein the second instance of the control system event was detected prior in time to the detected first instance of the control system event, and (b) communicating to the control system operator, information identifying a set of operator inputs for responding to the detected first instance of the control event, wherein the identified operator inputs are a sub-set of the retrieved set of operator inputs.. ... Yokogawa Electric Corporation

12/28/17 / #20170372598

Data collection system

A data collection system includes a plurality of sensor modules each provided with a sensor unit, and a data collecting device. The data collecting device (200) is provided with: a clock output unit (201) which outputs a clock signal; an enable signal output unit (202) which outputs to a prescribed sensor module (100) an enable signal at intervals equal to or greater than the number of clock signals corresponding to the number of sensor modules (100); a counter (203) which counts the number of clock signals; and a sensor signal input unit (205) into which data output by the sensor modules (100) is input via a bus line, and which records said data in association with the count value. ... Yokogawa Electric Corporation

12/28/17 / #20170371325

Device maintenance apparatus, device maintenance system, device maintenance method, device maintenance program, and storage medium

A device maintenance apparatus, includes: a communication control part configured to control a communication with a device; a device information acquisition part configured to acquire device information of the device via the communication; a storage configured to store maintenance process information, the maintenance process information including device specifying information for specifying a maintenance target device and process specifying information for specifying details of a maintenance process; and an information processing part configured to compare the acquired device information to the stored maintenance process information, and to execute a maintenance process on the device based on the result of the comparison.. . ... Yokogawa Electric Corporation

12/21/17 / #20170367204

Hermetic structure and method of manufacturing the same

A hermetic structure includes a hermetic body having a through-hole passing through a high pressure side and a low pressure side, the through-hole having a tapered portion whose diameter increases from the low pressure side toward the high pressure side, a conductor inserted through the through-hole, a protector component fit in the tapered portion, the protector component having a hole for inserting the conductor, and a glass member provided in the through-hole, on the low pressure side from the protector component, so as to seal the conductor.. . ... Yokogawa Electric Corporation

12/07/17 / #20170350748

Electromagnetic flow meter and miswiring detection method

An electromagnetic flow meter includes a flowtube including a coil disposed in the vicinity of a measurement tube, and electrodes disposed on the measurement tube, a converter including an excitation unit configured to generate an excitation signal and output the excitation signal to the coil through an excitation cable, and a detection signal receiving unit configured to receive a detection signal from the electrodes through a signal cable, and generate a flow rate signal, and a miswiring detection unit configured to perform miswiring diagnosis on the excitation cable or the signal cable on the basis of a difference between a change amount of the flow rate signal when the excitation signal is being output and a change amount of the flow rate signal when the excitation signal is not being output.. . ... Yokogawa Electric Corporation

11/30/17 / #20170345224

Device maintenance apparatus, device maintenance method, device maintenance program, and recording medium

A device maintenance apparatus has a display, in which the display displays a first screen generated based on first device information of a maintenance-target device, a second screen generated based on second device information of the device, and a third screen generated based on the first device information and the second device information.. . ... Yokogawa Electric Corporation

11/30/17 / #20170344201

Device maintenance apparatus, device maintenance method, device maintenance program, and recording medium

A device maintenance apparatus includes: a comparison target selector configured to select comparison targets of a device information of a device as a maintenance target; and a display configured to display a comparative information generated based on changes in the device information.. . ... Yokogawa Electric Corporation

11/30/17 / #20170343968

Method for detection of diagnosing control valve stiction

A system, method, and an apparatus relating to data collection regarding valve movement over a period of time in order to determine the effects of stiction on the valve. With data collection done over a period of time, it is possible to remove dependency on a high speed method of data collection. ... Yokogawa Electric Corporation

11/23/17 / #20170336615

Objective lens unit and liquid immersion microscope

An objective lens unit for a liquid immersion microscope includes: a first liquid passage in a pipe shape including an opening disposed at a lens surface end as a lens surface of a lens at a closest side to an observing object, the first liquid passage being coupled to an outside of the objective lens unit, and a second liquid passage in a pipe shape disposed independently from the first liquid passage, the second liquid passage including an opening disposed at a position adjacent to the opening of the first liquid passage on the lens surface end, the second liquid passage being coupled to the outside of the objective lens unit.. . ... Yokogawa Electric Corporation

11/09/17 / #20170322536

Method and apparatus for optimizing process control systems

The invention provides methods, systems and computer programs for optimizing standard operating procedure for a control system. The invention comprises (i) recording a sequence of control system operator actions, (ii) identifying a control system process corresponding to the recorded sequence of control system operator actions, (iii) retrieving a standard operating procedure associated with the identified control system process, (iv) determining a first set of deviations between (a) the recorded sequence of control system operator actions and (b) the standard operating procedure, (v) determining a second set of deviations between (c) a set of kpi values associated with the recorded sequence of control system operator actions and (d) a set of kpi values associated with the standard operating procedure, and (vi) modifying the standard operating procedure to reduce deviation between (e) the recorded sequence of control system operator actions and (f) said standard operating procedure.. ... Yokogawa Electric Corporation

10/26/17 / #20170308344

Device maintenance apparatus, device maintenance method, and storage medium

A device maintenance apparatus includes a display configured to display an operator receivable of an operation for causing at least one maintenance item associated with a device of a maintenance target to be executed on the device and prompting information for prompting execution of the at least one maintenance item on the basis of execution information of the at least one maintenance item.. . ... Yokogawa Electric Corporation

10/26/17 / #20170307566

Thinning detection system and thinning detection method

A thinning detection system includes a current applying apparatus configured to apply an ac current to electrodes installed on metal equipment which is a monitoring object, a magnetic-field measuring apparatus including an array of magnetic sensors configured to measure a magnetic field distribution of a surface side of the metal equipment; and a measurement managing apparatus configured to estimate a thinning distribution of the metal equipment based on a magnetic field distribution difference which is a difference between a reference magnetic-field distribution which is obtained in a case where thinning has not occurred in the metal equipment and a measurement magnetic-field distribution which is an actual measurement result. The measurement managing apparatus calculates a virtual current distribution of the metal equipment from the magnetic field distribution difference, and estimates the thinning distribution of the metal equipment on the basis of a virtual eddy current represented by the virtual current distribution.. ... Yokogawa Electric Corporation

10/12/17 / #20170293993

Contextual rendering of process graphics

Contextual rendering systems, methods, and computer-readable media include circuitry configured to parse a graphics file into a plurality of graphics objects, determine whether one or more dynamic behavior attributes are present for each graphics object, extract at least one tag name for each graphics object having the one or more dynamic behavior attributes, assign an attribute weight to each dynamic behavior attribute, compute a sum of the attribute weights for each tag name-graphics object combination, rank each of the tag name-graphics object combinations according to the respective computed sum, and display a portion of a graphics view of one or more graphics objects for a first-ranked tag name-graphics object combination in context with other graphics objects.. . ... Yokogawa Electric Corporation

10/12/17 / #20170293896

Device maintenance apparatus, method for maintaining device, and storage medium

A device maintenance apparatus includes a device information storage storing information of a device and one or more maintenance items associated with the information of the device, an acquirer configured to acquire the information of the device, and a display configured to display the acquired information of the device and an operator receivable of an operation for executing, with respect to the device, at least one maintenance item among the one or more maintenance items associated with the acquire information of the device and stored in the device information storage.. . ... Yokogawa Electric Corporation

10/12/17 / #20170293544

Device maintenance apparatus, method for maintaining device, and storage medium

A device maintenance apparatus includes a setting operator configured to allow for setting a test pattern, the test pattern being set to define a change of output signals output from a device over time, and an execution operator configured to make the device output the output signals based on the set test pattern.. . ... Yokogawa Electric Corporation

10/05/17 / #20170286242

Redundancy device, redundancy system, and redundancy method

A redundancy device which is configured to communicate with a redundancy opposite device and perform a redundancy execution, the redundancy device includes receivers configured to receive individually hb signals transmitted from the redundancy opposite device, a calculator configured to calculate a number of normal communication paths among communication paths of the hb signals based on a reception result of the receivers, a comparator configured to compare a calculation result of the calculator with a predetermined threshold value, and a changer configured to change the redundancy device from a standby state to an operating state, or change the redundancy device from the standby state to a not-standby state in which the redundancy execution is released, based on the calculation result of the calculator and a comparison result of the comparator.. . ... Yokogawa Electric Corporation

09/28/17 / #20170279457

Field device and detector

A field device includes a detector and a converter communicative to the detector. The detector also may include, but is not limited to, a sensor, an analog-to-digital converter, and a first processor. ... Yokogawa Electric Corporation

09/28/17 / #20170277758

Maintenance information sharing device, maintenance information sharing method, and non-transitory computer readable storage medium

A maintenance information sharing device includes a maintenance record obtainer configured to obtain a maintenance record of a maintenance target, a maintenance record storage configured to associate the maintenance record obtained by the maintenance record obtainer with identification information for identifying the maintenance target, the maintenance record storage storing the maintenance record associated with the identification information, a maintenance information generator configured to generate maintenance information based on the maintenance record associated with the identification information and stored by the maintenance record storage, a maintenance information storage which stores the maintenance information generated by the maintenance information generator, a searcher configured to search the maintenance information stored by the maintenance information storage based on the identification information, and a maintenance information provider configured to provide the maintenance information searched by the searcher.. . ... Yokogawa Electric Corporation

09/14/17 / #20170262816

Device maintaner, a device maintenance system, a device maintenance method, a device maintenance program and a recording medium

The present invention relates to a device maintainer, a device maintenance system, a device maintenance method, a device maintenance program, and a recording medium, which are capable of supporting an accurate operation and improving an operation efficiency in the maintenance operation of the device or a recording operation of the maintenance result. A device maintainer having a maintenance information display for displaying maintenance information regarding a maintenance of a device; a list display for displaying a maintenance list listing a maintenance item for the device to be a maintenance target together with the displayed maintenance information and enabling designation of the maintenance item; and a maintainer for performing the maintenance based on the designated maintenance item for the device to be the maintenance target.. ... Yokogawa Electric Corporation

09/14/17 / #20170262788

Report creating system, report creating device, report creating server, report creating method, and non-transitory computer readable storage medium

A report creating system includes a report creating server comprising a data storage which stores a report format and image information, the report format being for describing report contents about a facility installed in a plant, the image information being determined uniquely to meaning of the report contents, at least one report creating device which is carriable by a worker, and a report creator configured to create a report in which the image information has been registered in the report format, the report creator being disposed in the report creating server or the report creating device. The report creator is configured to display, on the report creating device, the report format and the image information, create the report in which the image information selected in accordance with an operation performed by the worker to the report creating device has been registered in the report format, and display, on the report creating device, the report format in which the selected image information has been registered.. ... Yokogawa Electric Corporation

09/14/17 / #20170262480

Process monitorer, process monitering system, process monitering method, process monitering program, and recording mediam

The present invention provides a process monitorer, a process monitoring system, a process monitoring method, a process monitoring program, and a recording medium for monitoring processes in real time. The process monitorer including: a process information acquirer for acquiring process information indicating a state of a process provided from an industrial device; an indexed information generator for generating the indexed information indexed by a predetermined index based on the process information; a threshold acquirer for acquiring a threshold of the indexed information; a result of the determination generator for generating the result of the determination of the indexed information based on the threshold; a result of the determination notifier for notifying the result of the determination; an indexed information recorder for recording the indexed information; and a chart generator for generating a chart based on the indexed information.. ... Yokogawa Electric Corporation

09/07/17 / #20170256986

Energy management system, energy management method, and program

An energy management system, provided with: a collector that collects information regarding energy efficiency of a production apparatus and a processor that performs at least one of monitoring, simulation, and optimization of energy efficiency in production activity performed by the production apparatus, on the basis of the information regarding energy efficiency collected by the collector, using a modeling unit in which information regarding energy efficiency of a constituent element of the production apparatus is modeled on the basis of a predefined rule.. . ... Yokogawa Electric Corporation

09/07/17 / #20170254697

Measuring apparatus for measuring vibration or displacement and method for measuring vibration or displacement

A measuring apparatus for contactlessly measuring vibration or displacement of a measurement target includes a light source configured to emit a continuous wave of light frequency-modulated to arrange a measurement site of the measurement target within a correlation peak, a divider configured to divide the continuous wave of light into first and second divided-waves of light, a light receiver configured to receive interfering light of the first divided-wave of light reflected by the measurement target and the second divided-wave of light, and a calculator configured to calculate the vibration or displacement of the measurement target using an electric signal output from the light receiver.. . ... Yokogawa Electric Corporation

08/31/17 / #20170248495

Optical fiber temperature distribution measurement system and optical fiber temperature distribution measurement method

An optical fiber temperature distribution measurement system includes a temperature difference calculator configured to calculate a temperature difference between corresponding spatial resolution zones based on a first temperature distribution obtained by a return light from a first optical fiber part and a second temperature distribution obtained by a return light from a second optical fiber part, and an abnormality detector configured to calculate a temperature difference for evaluation for each spatial resolution zone, the temperature difference for evaluation being a sum of a temperature difference of each spatial resolution zone and a temperature difference of a spatial resolution zone adjacent thereto, and to determine that an abnormality has occurred in a roller near the spatial resolution zone when the calculated temperature difference for evaluation exceeds a reference value.. . ... Yokogawa Electric Corporation

08/24/17 / #20170244242

Surge protection device and field device including surge protection device

A surge protection device includes: a pair of terminal fittings to be connected to a pair of power supply terminals of a. Field device together with a power supply cable; a circuit board on which a surge protection element is mounted, the surge protection element including two electrodes connected to the pair of terminal fittings and a ground electrode configured to cause a surge current to flow to a ground when a surge voltage is applied between the two electrodes; an earth wiring cable connected to the ground electrode; and a main body that houses the circuit board, the main body being configured such that the pair of terminal fittings and the earth wiring cable protrude from an inside of the main body to an outside.. ... Yokogawa Electric Corporation

08/10/17 / #20170230053

Self-oscillation circuit

A self-oscillation circuit includes a vibration unit having a vibrator, a positive feedback path which positively feeds back a signal based on vibration of the vibrator to the vibration unit, a negative feedback circuit which generates a pulse-width-modulated signal having a frequency lower than a vibration frequency of the vibrator, based on a comparison result between a value corresponding to an amplitude of the vibrator and a reference value, and a switch circuit which switches connection and disconnection of the positive feedback path to the vibration unit by the pulse-width-modulated signal.. . ... Yokogawa Electric Corporation

08/10/17 / #20170227954

Plant performance evaluation apparatus, plant performance evaluation system, and plant performance evaluation method

A plant performance evaluation apparatus includes a first storage storing a first static model indicating a model of a first steady state in a plant, a second storage storing a first dynamic model indicating a model of a dynamic state of the plant, a model converter configured to convert the first dynamic model to a second static model indicating a model of a second steady state of the plant, and to store the second static model into the first storage, the first steady state indicating a steady state of the plant temporally before the second steady state, a comparator configured to compare parameters included in the first static model with parameters included in the second static model and to output a comparison result, and a display configured to display the comparison result output from the comparator.. . ... Yokogawa Electric Corporation

07/27/17 / #20170212170

Secondary battery capacity measuring system and secondary battery capacity measuring method

A secondary battery capacity measuring system that estimates maximum capacities of other cells using characteristics of a deteriorated cell even when a charging process in the deteriorated cell having a smaller maximum capacity than the other cells in cells constituting a battery module ends and data for measuring the maximum capacities of the other cells cannot be acquired is provided.. . ... Yokogawa Electric Corporation

07/20/17 / #20170207629

Industrial demand response enabling system, industrial demand response enabling method, and program

An industrial demand response enabling system according to an aspect of the present invention includes a first determination device configured to specify a first facility and a second facility among facilities installed in an industrial installation, the first facility being capable of addressing reduction of electric power used by the facility by partially stopping the facility or reducing capacity, and the second facility being capable of addressing reduction of electric power used by the facility by changing an operating time period of the facility and calculate a first reducible amount of the electric power reducible by the first facility and a second reducible amount of the electric power reducible by the second facility.. . ... Yokogawa Electric Corporation

07/20/17 / #20170205819

Monitoring control system and work support method

A monitoring control system includes: a safety control device that includes a state monitoring unit that monitors a state of a plant after emergency shut-down of the plant, and a work progress monitoring unit that monitors a work progress after the emergency shut-down of the plant; and a display device that displays, in a case where the emergency shut-down of the plant is performed by the safety control device, an emergency shut-down screen including a monitoring result of the state monitoring unit and a monitoring result of the work progress monitoring unit.. . ... Yokogawa Electric Corporation

07/20/17 / #20170205795

Method for process operators to personalize settings for enabling detection of abnormal process behaviors

A system, method, and an apparatus relating to automatically setting up pre-upset warning conditions for entire systems based on drifting parameters. The drifting parameters may provide monitoring to operate the process so that the upset condition is never reached, by allowing the operator can take actions so that the process remains in a stable state. ... Yokogawa Electric Corporation

06/29/17 / #20170185055

Process control system

A process control system includes: a controller; at least one input and output module connected to the controller; and an allowable propagation delay value calculator in the controller, the allowable propagation delay value calculator being configured to calculate, based on the number of input and output modules connected to the controller, an allowable range for propagation delay time between the controller and the input and output module.. . ... Yokogawa Electric Corporation

06/29/17 / #20170184463

Data processor and a data processing method

The present invention relates to a data processor and a data processing method which are capable of acquiring strain distribution data at the same time. The data processor having an acquirer for acquiring strain distribution data in which a distributed optical fiber sensor measures a strain at a set of positions of an optical fiber at different times; and an interpolator for calculating the strains at the set of positions of the optical fiber at the same time by interpolating positions and times of the strain distribution data acquired by the acquirer.. ... Yokogawa Electric Corporation

06/29/17 / #20170184440

Electromagnetic flow meter

A first detection electrode that outputs a first flow rate signal and a second detection electrode that outputs a second flow rate signal, a differential circuit that outputs a differential flow rate signal obtained by obtaining a difference between the first flow rate signal and the second flow rate signal, an ac signal generation circuit that causes a first ac current to flow between the first detection electrode and the ground electrode and causes a second ac current with a reverse phase at the same frequency as that of the first ac current to flow between the second detection electrode and the ground electrode, and a diagnosis unit that diagnoses an abnormality of at least either of the first detection electrode or the second detection electrode based on a differential flow rate signal.. . ... Yokogawa Electric Corporation

06/22/17 / #20170176323

Polarization inspection device

A polarization inspector for inspecting an inspection target, the polarization inspector having a polarization divider for spatially dividing at least a reflected beam of light from the inspection target by irradiating an illumination beam into divided beams of lights mutually different in polarization direction; one or more optical receivers for receiving the divided beams of lights and generating an image signal based on the divided beams of lights; and a processor for calculating at least one of an elliptical azimuth angle, a polarization degree and a polarization component intensity from the image signal.. . ... Yokogawa Electric Corporation

06/15/17 / #20170171243

Integrated industrial system and control method thereof

. . An integrated industrial system includes a safety instrumented system which is installed in a first zone, a host system which is connected to the safety instrumented system through a network, the host system being installed in a second zone which is different from the first zone, a detector which is installed in each of the first zone and the second zone, the detector being configured to detect a cyber-attack from outside to a self-zone, and a defender configured to perform a countermeasure of restricting a communication between the first zone and the second zone or of restricting a communication in the first zone or the second zone, based on a detection result of the detector.. . ... Yokogawa Electric Corporation

06/08/17 / #20170163481

Method for retrieval of device-type managers

A control device of an integrated industrial system which is established in a plant, the control device includes a defender configured to perform a countermeasure of restricting at least a part of functions of a self-device, based on a detection result of a detector which detects a cyber-attack from at least one of inside and outside to the integrated industrial system.. . A method for retrieval of device-type managers is provided. A historical information of user's historical selection to device-type-managers (dtms) is identified. ... Yokogawa Electric Corporation

06/08/17 / #20170161849

Industry demand-response control system and industry demand-response control method

An industry demand-response control system of an aspect of the invention has an energy supplying facility, installed in an industrial installation, that supplies electrical energy and non-electrical energy, a production facility, installed in the industrial installation, that uses electrical energy and non-electrical energy to produce a product, and a facility controller that, in response to increasing and increasing the quantity of the product produced by the production facility, controls the proportion between the electrical energy and the non-electrical energy, wherein the facility controller performs control to convert the non-electrical energy that becomes surplus by reducing the quantity of product produced in response to a suppression request from an electricity provider to either supplement the electric power that is reduced or to sell, and to supplement the insufficient electrical energy caused by an increase in the amount of product produced by either stored electric power or purchased electric power.. . ... Yokogawa Electric Corporation

06/08/17 / #20170160727

Field device

A field device, which measures a physical quantity in a plant or processes the physical quantity, includes: an instruction unit configured to output a verification execution instruction signal for instructing execution of verification of the field device; an operation verifying unit configured to verify an operation of at least one element of the field device in response to the verification execution instruction signal and to verify an operation of the field device based on the verification result; and an output unit configured to output the verification result which is a result of verification of the operation by the operation verifying unit.. . ... Yokogawa Electric Corporation

06/08/17 / #20170160114

Electromagnetic flowmeter

There is provided an electromagnetic flowmeter including a measurement tube through which fluid to be measured flows, a lining which covers an inner side of the measurement tube, electrodes which are respectively inserted into through-holes formed in the lining and which output a detection signal based on an electromotive force generated in the fluid, and a lining wear detection unit which measures a magnitude of a slurry noise included in the detection signal to detect wear of the lining. The electrodes are configured such that a portion in contact with the fluid in a state where the lining has no wear is coated with a porous insulating material. ... Yokogawa Electric Corporation

06/01/17 / #20170155546

Duplex control device and duplex system

A duplex control device includes: two systems of duplex controllers and a switching device. The switching device includes, in a feedback path of each system, a transmitter configured to generate feedback data including data for fixing failure detection and a receiving device configured to determine the presence or absence of a fixing failure based on the feedback data output from the transmitter.. ... Yokogawa Electric Corporation

05/11/17 / #20170132538

Plant model creating device, plant model creating method, and non-transitory computer readable storage medium

A plant model creating device includes a cluster analyzer configured to divide operating data into clusters, a principal component list generator configured to calculate a principal component and a contribution rate for every cluster and generate a principal component list, a cumulative contribution rate calculator configured to calculate a cumulative contribution rate based on the principal component list, a principal component remover configured to remove, from the principal component list, a principal component corresponding to a contribution rate added to the cumulative contribution rate, if the cumulative contribution rate is less than a first threshold value, a characteristic formula calculator configured to calculate a characteristic formula whose normal vector is the principal component included in the principal component list, and a model creator configured to create a model of the plant based on the characteristic formula.. . ... Yokogawa Electric Corporation

05/11/17 / #20170132292

Event analysis apparatus, event analysis systems, event analysis methods, and event analysis program

An event analyzer includes: an event collector configured to collect event log data representing operation history which an dcs operator performed; a basic unit operation analyzer configured to analyze event log data, and extract basic unit operation data representing operation method based on the operation by the dcs operator; and an unit operation analyzer configured to analyze basic unit operation data, and extract unit operation data representing intention of the operation by the dcs operator.. . ... Yokogawa Electric Corporation

05/11/17 / #20170132291

Event analysis apparatus, an event analysis system, an event analysis method, and an event analysis program

An event analysis device includes an event collector configured to collect event log data which represents operation history of a dcs operator; an event analyzer configured to analyze event log data collected by the event collector to extract analysis result data representing operation method based on the operation of the dcs operator or analysis result data representing operation intention based on the operation of the dcs operator; an operation sequence extractor configured to extract analysis result data respectively in every period in specified multiple periods and extract operation sequence sorting analysis result data based on operation time; and an operation sequence clusterer configured to cluster the operation sequence based on the degree of the similarity between the operation sequences which are different from each other.. . ... Yokogawa Electric Corporation

05/11/17 / #20170132104

Event analysis device, event analysis system, event analysis method, and event analysis program

An event analysis device having an event collector for collecting event log data representing an operation history by a dcs operator; an event analyzer for analyzing the event log data, and extracting basic unit operations or unit operations representing an operation method based on operations of the dcs operator or an operation intention based on operations of the dcs operator; an operation sequence extractor for extracting operation sequences which the basic unit operations or the unit operations are aligned in accordance with time order in every service time period; an operation clusterer for clustering the operation sequences based on similarity among the operation sequences extracted in every service time period; and an operation procedure generator for analyzing the operation sequences clustered in same type, and estimating a structure of the operation procedure based on the operation of the dcs operator.. . ... Yokogawa Electric Corporation

05/11/17 / #20170131705

Field device, field device system, and diagnostic method

A field device for measuring information associated with each of equipments installed in a plant includes: a measurer configured to measure running condition of the equipment, and to output measurement information representing result of the measurement; a diagnoser configured to diagnose the running condition of the equipment represented by the measurement information in accordance with predetermined first diagnosis rule, to diagnose result diagnosed in accordance with the first diagnosis rule in accordance with predetermined second diagnosis rule, and to output diagnosis result information representing result diagnosed in accordance with the second diagnosis rule as result of diagnosing the running condition of the equipment; wherein the second diagnosis rule is configured to be set condition for confirming influence of an external factor to the running condition of the equipment.. . ... Yokogawa Electric Corporation

05/04/17 / #20170124145

Device type manager

A system, method, and an apparatus related to a standardized interface to separate new functions from the primary features of the dtm. This can circumvent the need for modification of the dtm when new functions are desired to be added. ... Yokogawa Electric Corporation

05/04/17 / #20170123410

System and method for modification management of a configuration system

A modification management system for a configuration system, includes, not limited to a comparator, a record generator and a link generator implemented in one or more processors. The comparator is configured to determine if a first modification item in a first instruction file is modified. ... Yokogawa Electric Corporation

03/30/17 / #20170093417

Signal processing circuit

A signal processing circuit includes: a plurality of daisy chain-connected ad converters each including a data ready output terminal, a synchronizing signal input terminal, and a serial clock input terminal; a calculator connected to the data ready output terminal of any of the ad converters and for outputting a serial clock to the serial clock input terminal of each of the ad converters when a data ready signal is input; and a reset processor included in the calculator and for outputting a synchronizing signal to the synchronizing signal input terminal of each of the ad converters when an output time lag among data ready signals from each of the ad converters is detected for a predetermined number of times.. . ... Yokogawa Electric Corporation

03/30/17 / #20170090970

Method, system and computer program for cloud based computing clusters for simulated operator training systems

The present invention provides methods, systems and computer programs for implementing a simulation based operator training system on a cloud computing cluster. The invention receives information identifying one or more parameters of an operator training simulation, and retrieves virtual machine (vm) images corresponding to a master vm, operator vm and instructor vm. ... Yokogawa Electric Corporation

03/30/17 / #20170090469

Inspection work support device, inspection work support system, and inspection work support method

An inspection work support device that supports inspection work performed in a plant, includes: a storage that stores an apparatus ledger in which apparatus information of an apparatus installed in the plant is registered, and an inspection list which indicates a list of inspection targets; an indicator that indicates the inspection target to be inspected based on the inspection list; an acquisition part that acquires apparatus specification information which is required for specifying the apparatus; a search part that searches the apparatus ledger based on the apparatus specification information acquired by the acquisition part to obtain the apparatus information; and a display that displays the inspection target indicated by the indicator and the apparatus information obtained by the search part.. . ... Yokogawa Electric Corporation

03/30/17 / #20170090466

Operation support system, operation support device, and operation support method

An operation support system for supporting an operation to each facility installed in a plant, the operation support system may include, but is not limited to, a data storage that stores historical data which represent information regarding operations performed to the facility as history, and at least one operation support device portable by a field operator, wherein the operation support device may include a position information acquirer configured to acquire a current position of the operation support device, and to output current position information, an inspection information processor configured to add information regarding the operation performed to the facility, and to output the current position information regarding position where the operation was performed to at least the facility that is associated with the historical data to data storage, and an operation supporter configured to represent information regarding the operation performed to the facility as operation information based on the historical data, and to enable one or more further functions regarding the operation associated with the operation information to be executed.. . ... Yokogawa Electric Corporation

03/23/17 / #20170085603

Mobile based collaborative and interactive operations with smart mobile devices

A system, method, and an apparatus relate to a system for electronic communication between personnel, and sharing tasks and plant device operating statuses. The use of electronic communication allows for interaction between personnel at different locations and provides real time communication between personnel regardless of their location, whether they are on-site, in a meeting, or out of office. ... Yokogawa Electric Corporation

03/23/17 / #20170083184

Information processing device and displaying method

An information processing device includes a display configured to display a first graphical faceplate representing a state of a control target, an operation unit which is used for operating the first graphical faceplate, and a controller configured to switch the first graphical faceplate displayed by the display to a second graphical faceplate for operating the control target based on an operation performed by the operation unit.. . ... Yokogawa Electric Corporation

03/23/17 / #20170083036

Control device and control method

A control device includes an interface module configured to supply electric power to a field device installed in a plant, an application executer configured to output a reset signal for resetting the field device, and a converter configured to convert the reset signal, which has been output from the application executer, into a format which is suitable for the interface module.. . ... Yokogawa Electric Corporation

03/09/17 / #20170067794

Optical fiber characteristic measuring device

An optical fiber characteristic measuring device of the present invention includes a light source, an optical divider, an optical waveguide, a first separator, a second separator, a first interferer, a second interferer, and a calculator. The light source is configured to generate a frequency modulated continuous wave of light. ... Yokogawa Electric Corporation

03/02/17 / #20170064763

Wireless relay device, control device, wireless communication system, and joining method

A wireless relay device that performs relay of data over a wireless network includes: a manager that manages a second wireless network different from a first wireless network that the own device joins; and a transfer controller that transfers data transmitted to the own device over the second wireless network, to a preset transfer destination over the first wireless network.. . ... Yokogawa Electric Corporation

03/02/17 / #20170064607

Wireless relay device, wireless communication system, and wireless communication method

A wireless relay device that performs relay of encrypted data over a wireless network, the wireless relay device, includes: a determiner that determines whether or not there is an abnormality using first data which is transmitted to its own device from wireless devices belonging to a preset section among wireless devices joining the wireless network; a transmission controller that transmits second data indicating a result of the determination of the determiner to a preset transmission destination; and an encryption processor that decrypts the first data and encrypts the second data transmitted by the transmission controller.. . ... Yokogawa Electric Corporation

03/02/17 / #20170064016

Position information authoring system, position information authoring apparatus, and position information authoring method

A position information authoring system according to one aspect of the present invention includes a plurality of position information devices in a plant and a position information authoring apparatus. Each of the plurality of position information devices is configured to input a position information into the position information authoring apparatus, the position information represents a three-dimensional absolute position of each of the plurality of position information devices. ... Yokogawa Electric Corporation

03/02/17 / #20170060122

Device system, information processor, terminal device, and abnormality determining method

A device system includes a terminal device which is usable by a plant worker, and an information processor which is connectable to the terminal device through a network. The terminal device includes a collector configured to collect a detection result from a sensor which detects a state around a device installed in a plant, and a communicator configured to transmit the detection result collected by the collector to the information processor. ... Yokogawa Electric Corporation

03/02/17 / #20170060118

Device system, information processing device, and operation proposal method

A device system includes a terminal device and an information processing device. The terminal device includes a detector and a first notifier. ... Yokogawa Electric Corporation

02/23/17 / #20170054579

Wireless relay device, processing apparatus, wireless communication system, and wireless communication method

A wireless relay device for relaying packets via a wireless network includes an aggregator and a transfer controller. The aggregator is configured to aggregate a plurality of sets of data respectively included in a plurality of first packets transmitted from a plurality of wireless devices in the wireless network and under the wireless relay device to generate a second packet. ... Yokogawa Electric Corporation

02/23/17 / #20170053048

Device system, information processor, terminal device, and displaying method

A device system includes a terminal device which is used by a worker, and an information processor which is connectable to the terminal device through a network. The terminal device includes a designator configured to designate an attentional device among devices included in a plant, and a display configured to display at least two relation diagrams in which the attentional device designated by the designator and a relational device related to the attentional device are shown. ... Yokogawa Electric Corporation

02/16/17 / #20170046239

Diagnostic method, id module and process control system

A diagnostic method of diagnosing a type of a field device, includes: setting a plurality of connection units included in an i/o module to be in a state of being capable of inputting or outputting a hybrid signal which is an analog signal having a digital signal superimposed thereon, the connection units being connected to the field device and capable of inputting the hybrid signal, outputting the hybrid signal, inputting a digital signal, and outputting a digital signal; and diagnosing the type of the field device which is connected to the connection units of the i/o module, based on the digital signal included in the hybrid signal obtained through the connection units.. . ... Yokogawa Electric Corporation

01/26/17 / #20170023355

Displacement sensor, spectral characteristic measuring apparatus, color measuring apparatus, planar measured object quality monitoring apparatus, displacement measuring method, spectral characteristic measuring method, and color measuring method

A displacement sensor includes a light source unit configured to apply light with different plural wavelengths in a direction oblique to a measurement region of a planar measured object, a spectroscope configured to measure spectral distribution of light reflected by the measurement region, a feature amount extracting module configured to extract a feature amount of the spectral distribution, and a displacement calculating module configured to calculate displacement of the measurement region based on the extracted feature amount and a relation between displacement and a feature amount acquired previously.. . ... Yokogawa Electric Corporation

01/12/17 / #20170011329

Work supporting terminal device, work supporting system, work supporting method, program, and recording medium

A work supporting terminal device supports an inspection work performed on a facility of a plant. The work supporting terminal device includes: a category information generator that generates category information items obtained by classifying extra event information items recorded for extra events, which are not included in events to be inspected in the inspection work, among events occurring in the plant, according to the kind of extra event; and a display that displays the category information items.. ... Yokogawa Electric Corporation

01/05/17 / #20170006550

Device adapter, device system, and start control method

A device adapter which is connectable to the field devices, includes an interface which is connectable to the field devices, a power source configured to supply electric power to the field devices connected to the interface, and a start controller configured to perform a start control of the field devices connected to the interface to make a total power consumption of the field devices connected to the interface be within a range permitted in accordance with an explosion-proof standard.. . ... Yokogawa Electric Corporation

01/05/17 / #20170003667

Equipment maintenance management system and equipment maintenance management method

A system includes: a monitoring data obtainer configured to obtain real-time monitoring data regarding equipment; a deterioration index calculator configured to calculate an estimated deterioration index of the equipment from an equipment model and the obtained monitoring data, the equipment model being created by modeling a relationship between the real-time monitoring data of the equipment in a normal state; a time change predictor configured to predict a time change of the estimated deterioration index; and a scheduler configured to estimate a cost in a future caused by the abnormal event, the cost being estimated based on the predicted time change of the estimated deterioration index and the relationship between the estimated deterioration index and the probability of the abnormal event.. . ... Yokogawa Electric Corporation








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