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Hefei University Of Technology patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hefei University Of Technology-related inventors


Method and device for identifying preferential region of product

The present invention relates to a method and an apparatus for identifying a preferential region for a product. The method includes: obtaining comment texts of users in different regions for a to-be-analyzed product, and extracting product features of the to-be-analyzed product from the obtained comment texts; determining sentiment polarities of the users for the product features in the comment texts; calculating associations between sentiment orientations of the product features and the regions; extracting product features with regional preferences from the product features; and determining, for each extracted product feature with a regional preference, a preferential region for the product feature in view of the sentiment polarities. ... Hefei University Of Technology

Mobile health intelligent medical guide system and method thereof

The present invention discloses a mobile health intelligent medical guide system and method thereof. The method comprises steps: collecting patient chief complaint, sending the patient chief complaint to a cloud server, analyzing and processing the patient chief complaint, text word segmentation, fuzzy matching and sorting recommendation technologies, generating a disease examination result, and generating an intelligent medical guide result to be fed back to the mobile terminal; reminding the patient to supplement the chief complaint information if the patient does not end this query or the diagnosis result does not achieve the optimum, and then optimizing the disease examination result and the intelligent medical guide result until the patient ends the query or the diagnosis result achieves the optimum. ... Hefei University Of Technology

Multimode mobile electronic medical record system and working method thereof

The present invention discloses a multimode mobile electronic medical record system and a working method thereof. The multimode mobile electronic medical record system comprises a plurality of mobile terminals, service server, push server, authentication server and cloud server. ... Hefei University Of Technology

Task scheduling system and method suitable for mobile health

The present invention discloses a task scheduling system and method suitable for mobile health, the characteristics thereof including: a mobile health task distribution module, a plurality of mobile health task processing modules and a mobile health task callback module; the mobile health task distribution module comprises: a resource description unit, a resource scheduling unit, a resource matcher; each of the mobile health task processing modules comprises: a task decomposition unit, a task execution unit, a task evaluation unit. The present invention is capable of carrying out tasks with full use of the currently available task processing resources, thereby being capable of improving the efficiency and performance of the task scheduling processing in the mobile health environment.. ... Hefei University Of Technology

Smart medical rehabilitation device

A smart medical rehabilitation device comprises a driving unit, a linkage unit, a sensing unit and a rehabilitation evaluating unit that are mounted on a frame, wherein the linkage unit comprises a link mechanism and a slide mechanism linked thereto so that the slide mechanism can be moved together with the link mechanism, wherein the slide mechanism is driven by the driving unit to slide along the groove plate, the link mechanism is linked to move with the slide mechanism thus the link mechanism moves to the corresponding position so that the slide mechanism can assist a training object in performing lower limb rehabilitation training, and the rehabilitation evaluating unit evaluates the physical status and rehabilitation status of the training object according to the physiological information and exercise information of the same collected by the sensing unit, and adjusts the exercise frequency and the exercise duration of the training object according to the physical status in real time.. . ... Hefei University Of Technology

Method and device for on-line prediction of remaining driving mileage of electric vehicle

The present invention relates to a method and device for on-line prediction of remaining driving mileage of an electric vehicle. The method comprises: acquiring in-transit data and driving environment data of the electric vehicle which is driving; calculating the power consumption per mileage of the electric vehicle in the current case by using the in-transit data and the driving environment data in combination with a power consumption rate data model; predicting the remaining driving mileage of the electric vehicle based on the power consumption per mileage. ... Hefei University Of Technology

Analog circuit fault mode classification method

An analog circuit fault mode classification method comprises the following implementation steps: (1) collecting m groups of voltage signal sample vectors vij to each of fault modes fi of the analog circuit by using a data collection board; (2) sequentially extracting fault characteristic vectors vijf of the voltage signal sample vectors vij by using subspace projection; (3) standardizing the extracted fault characteristic vectors vijf to obtain standardized fault characteristic vectors; (4) constructing a fault mode classifier based on a support vector machine, inputting the standardized fault characteristic vectors, performing learning and training on the classifier, and determining structure parameters of the classifier; and (5) completing determination of fault modes according to fault mode determination rules. The fault mode classifier of the present invention is simple in learning and training and reliable in mode classification accuracy.. ... Hefei University Of Technology

Analog circuit fault diagnosis method using single testable node

An analog circuit fault diagnosis method using a single testable node comprises the following steps: (1) obtaining prior sample data vectors under each fault mode; (2) computing a statistical average of the prior sample data vectors under each of the fault modes; (3) decomposing a signal by an orthogonal haar wavelet filter set; (4) extracting the feature factor of the prior sample fault modes; (5) extracting a fault-mode-to-be-tested feature factor; (6) computing a correlation coefficient matrix and correlation metric parameters between the feature factor of the prior sample fault modes and the feature factor of the fault-mode-to-be-tested; and (7) detennining a fault mode according to a maximal correlation principle by comparing the correlation metric parameters. The method can convert a single signal into a plurality of signals without losing original measurement information, and extract an independent fault mode feature factor reflecting variations of a circuit structure in different fault modes, can be used to study an associated mode determination rule and successfully complete classification of circuit fault modes.. ... Hefei University Of Technology

Ultrasonic gas flow meter based on fpga and dsp

An ultrasonic gas flow meter based on fpga and dsp consists of ultrasonic gas transducers and sensor components, transmitting/receiving signal channel switch circuits, a driving signal generation and amplification circuit, an echo signal conditioning and collection circuit, a time sequential controlling and signal processing circuit, a man-machine interface, a serial communication module and a power management module, propagation time of ultrasonic echo waves is calculated by adopting a variable ratio threshold and zero-crossing detection method of tracking maximum peak of the echo signal to obtain gas flow rates.. . ... Hefei University Of Technology

Medical apparatus for standing aid

A medical apparatus for standing aid comprising a backrest (4) that has at least one side thereof provided with a crank rocker mechanism that comprises a crank mechanism (1), a triangular linkage mechanism (2), and a rocker mechanism (3), the crank mechanism (1) being rotatably connected to the triangular linkage mechanism (2) such that an included angle between a second driven link (be) of the triangular linkage mechanism (2) and the crank mechanism (1) is always smaller than 90°, and the crank mechanism (1) driving the triangular linkage mechanism (2), the rocker mechanism (3) and the backrest (4) connected to the triangular linkage mechanism (2) to perform interactive movement repeatedly along a predetermined curve trajectory in response to a driving force coming from a drive effect of a driving unit (100), so that the backrest (4) connected to the second driven link (be) assists a trainee in standing up repeatedly by obliquely supporting the trainee's waist.. . ... Hefei University Of Technology

Wireless sensor network charging method for multi-charge nodes

A wireless sensor network sensor network charging method for multi-charge nodes, including the following steps: (1) establishing a wsns model; (2) dividing field ranges of charging trolleys; and (3) charging the charging trolleys: (a) initializing: l=0 and j=0, wherein l is the total number of received alarm nodes, and j is the serial number of an alarmed node; (b) receiving an alarm signal, updating values of l and j, generating a shortest charging path sl, and computing an energy discriminate vector; (c) if a vector element satisfies qlj≦5% b and j=1, 2, . . ... Hefei University Of Technology

Method and system for reoptimizing unmanned aerial vehicle formation communication topology based on minimum cost arborescence

A method and a system for reoptimizing unmanned aerial vehicle formation communication topology based on minimum cost arborescence are used for optimizing reconstructed uav formation communication topology after a communication failure occurs on the uavs in the formation. The method includes calculating a first communication cost of the reconstructed uav formation communication topology; comparing the first communication cost with a target communication cost for the minimum cost arborescence of the formation communication diagram under a predetermined state; when the first communication cost is greater than the target communication cost for the minimum cost arborescence of the formation communication diagram under the predetermined state, optimizing the reconstructed uav formation communication topology through a predetermined strategy.. ... Hefei University Of Technology

Method and system for reconstructing unmanned aerial vehicle formation communication topology based on minimum cost arborescence

The present disclosure provides a method and system for reconstructing uav formation communication topology based on minimum cost arborescence, the method comprising: monitoring broadcast communication channel, and judging whether communication failure occurs in uav in formation; modifying formation communication diagram according to the type of communication failure when communication failure occurs in the uav; calculating minimum cost arborescence of modified formation communication diagram, and reconstructing uav formation communication topology according to calculation results. The present disclosure realizes rapid reconstruction of communication topology so as to avoid occurrence of uav collision accident and restore formation after detecting communication failure, by modifying formation communication diagram according to the type of communication failure and calculating minimum cost arborescence of modified formation communication diagram to reconstruct uav formation communication topology when communication failure occurs in uav.. ... Hefei University Of Technology

Charging and discharging scheduling method for electric vehicles in microgrid under time-of-use price

A charging and discharging scheduling method for electric vehicles in microgrid under time-of-use price includes: determining the system structure of the microgrid and the characters of each unit; establishing the optimal scheduling objective function of the microgrid considering the depreciation cost of the electric vehicle (ev) battery under time-of-use price; determining the constraints of each distributed generator and ev battery, and forming an optimal scheduling model of the microgrid together with the optimal scheduling objective function of the microgrid; determining the amount, starting and ending time, starting and ending charge state, and other basic calculating data of the ev accessing the microgrid under time-of-use price; determining the charge and discharge power of the ev when accessing the grid, by solving the optimal scheduling model of the microgrid with a particle swarm optimization algorithm.. . ... Hefei University Of Technology

09/28/17 / #20170275836

Unidirectional bend drive chain and lift mechanism and boom barrier including same

A unidirectionally bendable transmission chain is provided. At a first side thereof, an inner stop plate is fixed between a pair of inner chain plates at both ends of pin shafts, and an outer stop plate is fixed between a pair of outer chain plates at both ends of the pin shafts. ... Hefei University Of Technology

08/17/17 / #20170232543

Fabrication and monitoring device for micro probe ball tip

A fabrication and monitoring device for micro probe ball tips includes a magnetic field generator, a 3-dimensional displacement adjusting mechanism, a wire supplier and an image monitoring system. The magnetic field generator includes a u-shaped electromagnet. ... Hefei University Of Technology

07/20/17 / #20170205466

Method for predicting remaining useful life of lithium battery based on wavelet denoising and relevance vector machine

A method for predicting a remaining useful life of a lithium battery based on a wavelet denoising and a relevance vector machine, relating to a method for estimating health condition and predicting remaining useful life of lithium battery, includes steps of: (1) obtaining health condition data of each of charge-discharge cycles of the lithium battery by measurement; (2) processing capacity data measured of the lithium battery with wavelet double denoising; (3) calculating a capacity threshold where the lithium battery fails; (4) referring to capacity data and charge-discharge cycle data of the lithium battery, applying a differential evolution algorithm for optimizing a width factor of the relevance vector machine; and (5) predicting the remaining useful life of the lithium battery with the relevance vector machine optimized by the differential evolution algorithm. The method is simple and effective, which can accurately predict remaining useful life of lithium battery.. ... Hefei University Of Technology

06/22/17 / #20170176162

Single sensor type three-dimensional micro/nano contact trigger measuring probe

A single sensor type three-dimensional micro/nano contact trigger measuring probe is provided which is characterized in respectively providing a probe unit and a measuring unit in the base. In the probe unit, the leaf spring is supported on the circular-ring base, a circular suspension plate is provided on the leaf spring, and beam splitter prisms and wedge block are fixedly provided on the circular suspension plate. ... Hefei University Of Technology

06/22/17 / #20170174450

Cable-strut combination driven parallel robotic palletizer

A combined rope-rod-driven parallel palletizing robot, comprises a chassis, wherein, a base driving mechanism is arranged on the chassis, a torque transfer mechanism is mounted on the base driving mechanism, a top gearbox is mounted on the top of the torque transfer mechanism, a gib arm is movably connected to the top gearbox, and a mechanical arm end tool is arranged on the movable end of the gib arm to operate a work object; the robot further comprises three steel wire rope drivers and three corresponding steel wire ropes, the three steel wire rope drivers are located on the chassis and evenly distributed around the base driving mechanism. In the present invention, the top gearbox and the torque transfer mechanism are driven by a rope to execute two-freedom spatial movement, so as to do palletizing work in a bigger work space.. ... Hefei University Of Technology

06/08/17 / #20170163064

Charge wake-up circuit for a battery management system (bms)

A charge wake-up circuit for a battery management system (“bms”) for an electric vehicle, the circuit including a charging plug connection circuit, a comparator circuit, and a dc wake-up circuit. The charge wake-up circuit monitors the state of the charger after the bms turns off. ... Hefei University Of Technology

04/27/17 / #20170116523

Quantum evolution method

A quantum evolution method includes steps of: according to the quantum evolution method, initializing a generation number t=0, and initializing a population q(t)={q1t, q2t, . . ... Hefei University Of Technology

01/26/17 / #20170025843

Battery short-circuit protection circuit

This invention involves a battery short-circuit protection circuit installed in a battery-load circuit. In the battery-load circuit, there is a battery and a load rl. ... Hefei University Of Technology








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