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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


 new patent  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... Yokogawa Electric Corporation

Isolated voltage probe

An isolated voltage probe includes: a conductor including a positive lead, a negative lead, and a resistance via which the positive lead and the negative lead are connected to each other; a magnetic sensor for measuring a magnetic field in a non-contact manner, the magnetic field being generated by a... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

Hermetic structure and 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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

Method and 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... Yokogawa Electric Corporation

Service providing device, alternative service providing device, relaying device, service providing system, and service providing method

A service providing device included in a process control system in a plant, the service providing device includes a communicator configured to perform communication via a network, a service provider configured to provides a service via the communicator by exclusively assigning first identification information to one of the service providing... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

Device maintenance apparatus, 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... Yokogawa Electric Corporation

Device maintenance apparatus, 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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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. The sensor may be configured to acquire an analog measurement signal. The analog-to-digital converter may be configured to... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

Measuring measuring vibration or displacement and 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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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,... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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... Yokogawa Electric Corporation

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,... Yokogawa Electric Corporation

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... 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... 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... Yokogawa Electric Corporation

06/15/17 / #20170168883

System and testing configuration and operation of i/o devices

The present invention provides methods, systems and computer program products for detecting a configuration error or operating error corresponding to an input/output (I/O) device. The I/O device comprises a plurality of I/O points configured to establish a combined I/O channel between said I/O device and a field device, said combined... Yokogawa Electric Corporation

06/15/17 / #20170169219

Electronic device and operating the same

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... Yokogawa Electric Corporation

06/15/17 / #20170170668

Power storage service system

One aspect of the present invention is a power storage service system configured to control a power system using an assembled battery system including a plurality of unit cells, the power storage service system including: a first measurer configured to measure a self-discharge current difference among the plurality of the... 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... 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... 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... 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... Yokogawa Electric Corporation

06/08/17 / #20170163481

Method for retrieval of device-type managers

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. The historical information represents a selected DTM and a VMR information of the selected DTM. The VMR information is related to vendor, model and revision of a field device.... 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... 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... 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... 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... 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... 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... Yokogawa Electric Corporation

05/04/17 / #20170123410

System and 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. The record generator is configured... 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. This can prevent the necessity of regression testing for existing... 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... 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... 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... 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... 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... 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... 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... Yokogawa Electric Corporation

03/16/17 / #20170076115

Electronic device

An electronic device includes a display unit, and an operation unit. The electronic device has a lock function of locking operation functions on the operation unit such that the operation functions are temporarily inoperable. At least one of the operation functions is set to be selectively operable even in a... 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. The... 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. The detector detects at least one of data representing an operation performed by a worker with respect to the terminal device, data representing an environmental value of a... 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... 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,... Yokogawa Electric Corporation

Patent Packs
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... 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,... 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... 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... 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... 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... 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... 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... 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... Yokogawa Electric Corporation








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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