Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
37results about How to "Solve constraint problems" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Large-scale interconnected power grid spinning reserve risk assessment method based on state space division method
ActiveCN102055187AAdaptableFast convergenceData processing applicationsPower network operation systems integrationCurse of dimensionalityNetwork size
The invention provides a large-scale interconnected power grid spinning reserve risk assessment method based on a state space division method Along with the appearance of a large-scale interconnected power grid, the quantity of elements of a power grid system is sharply increased, and the network scale is further complicated, thus the traditional reserve risk assessment method cannot meet the development requirements of the large-scale interconnected power grid, has the problems of curse of dimensionality in the aspect of state selection and inability of assessment in the aspect of state analysis, and can be influenced by transmission capacity restraint of area connecting lines. In the invention, the system state is selected by using a state space division method and analyzed by using a load reduction technology based on linear programming, thus the method better solves the problems of huge system scale and transmission capacity restraint of the area connecting lines in the spinning reserve risk assessment, realizes the quick and precise calculation of a spinning reserve risk index of the large-scale interconnected power grid, can provide real-time system spinning reserve information for personnel of a dispatching system, is beneficial for the dispatching personnel to taking effective measures in time, improves the reliability level of the system, and reduces the power-off risk of the system.
Owner:CHINA ELECTRIC POWER RES INST +1
Reentry aircraft robust optimal guidance method based on model predictive control theory
ActiveCN106054604AMeet the best performance indicatorsImprove convenienceAdaptive controlOptimal controlEngineering
The invention discloses a reentry aircraft robust optimal guidance method based on a model predictive control theory. The reentry guidance problem is described as the optimal control problem, an idea of predicted correction is combined with the advantages of processing constraint and optimization in the model predictive control theory, and a guidance method capable of satisfying reentry optimality and robustness is formed. The reentry aircraft robust optimal guidance method can fully utilize the advantages of model predictive control in the aspects of route tracking and constraint processing so that the process constraint, tail end constraint and control constraint can be effectively solved in the guidance design process, and can satisfy the optimal performance index; the reentry aircraft robust optimal guidance method introduces the idea of predicted correction into the guidance strategy so as to increase the robustness of designed trajectory and guidance, predicts the future through applying the current state, compares the predicted value with an expected value, corrects a guidance command, and ensures the robustness of the reentry process; and the model predictive control theory and the idea of predicted correction are combined so that the robustness and optimality of reentry guidance can be well satisfied.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Load unit for compression bearing test of angle iron component
ActiveCN101446508AEasy to install and disassembleSimple structureForce measurementEngineeringMechanical engineering
The invention provides a restriction device. The restriction device is used for solving the restriction problem of various section angle irons on one hand, wherein, the problem is mainly solved by clamping devices at the two ends of the restriction device, wherein, a pressed compact is a movable part, and the shape of the pressed compact can be determined according to the section shape of the component; on the other hand, the restriction device can solve the problem that the existing load unit for compression bearing test of components can not realize compression of various section angle irons or simulation of restriction of various end parts, thus realizing the aim that the load unit has simple structure, clear transferring force, accurate load application and convenient assembly and disassembly of components.
Owner:CHINA ELECTRIC POWER RES INST +1
Geotechnical engineering triaxial compression test micro-friction load force transfer plate
ActiveCN104089813AReduce interface frictionSolving End Constraint ProblemsStrength propertiesGeotechnical engineeringLoad force
The invention provides a geotechnical engineering triaxial compression test micro-friction load force transfer plate which comprises a circular bearing plate, wherein a sliding stop rod is arranged in the center of the circular bearing plate; six first rectangular grooves are uniformly distributed in the circular bearing plate along the circumferential direction in a radial shape; a third rectangular groove is formed between two adjacent first rectangular grooves; a second rectangular groove is formed between the first rectangular groove and the adjacent third rectangular groove; the first rectangular grooves, the second rectangular grooves and the third rectangular grooves are respectively and correspondingly embedded into first guide rails, second guide rails and third guide rails; two arc-shaped grooves are formed in each of the guide rails; steel balls are arranged in the arc-shaped grooves; multiple circles of slide blocks are sequentially arranged on the guide rails along the radial direction of the circular bearing plate; the slide blocks can freely slide on the guide rails along the radial direction through the steel balls. An axial load is applied to a sample through the multiple circles of automatic slide blocks, the frictional resistance between the slide blocks and the circular bearing plate is reduced through the steel balls, and the problem that the end of the sample is constrained can be well solved.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
A three-dimensional lifting device parameterization method meeting engineering constraints based on an FFD method
InactiveCN109408987AGuaranteed fitting accuracySolve constraint problemsGeometric CADSpecial data processing applicationsGeometric consistencyCoordinate vector
The invention provides a three-dimensional augmentation device parameterization method meeting engineering constraints based on an FFD method, and the method comprises the steps: firstly, measuring the position parameters of a three-dimensional augmentation device, arranging a control frame on a slat and a flap of an initial configuration, carrying out parameterization disturbance on the object surface in the control frame, and changing the geometric shapes of the slat and the flap in the control frame; Reversing a control frame arranged on the initial configuration slat and the flap to the main wing according to the position parameters to obtain local coordinates of corresponding object plane grid points on the main wing in the corresponding control frame; and reversing the deformed control frame on the slat and the flap to the main wing according to the position parameters to obtain a global coordinate vector after the corresponding object plane grid point on the main wing is deformed. According to the method, the FFD method is used for guaranteeing the fitting precision of the geometric shape of the lifting device, the intersection interface part of the main wing in the method is processed, the geometric consistency constraint is met, finally, the generated three-section wing shape is subjected to fixed-axis rotation and translation operation, and the engineering constraintproblem is solved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Deformable mirror surface shape design method and device for free-form surface measurement
ActiveCN111240010AHigh-precision detectionSolve constraint problemsUsing optical meansOptical elementsSurface measurementParticle swarm optimization
The invention discloses a deformable mirror surface shape design method and device for free-form surface measurement, and can solve the problem of deformable mirror surface shape constraint in a partial compensation method and realize high-precision detection of the surface shape of a free-form surface in a calibrated deformable mirror deformation range. The method comprises the following steps: (1) establishing an optical model of a deformable mirror-based free-form surface measurement system; (2) tracing incident light on the basis of a light tracing principle, and solving an image formed after the object passes through the whole system; (3) establishing an evaluation function of which the optimization target is aberration and the optimization variable is the surface shape of the deformable mirror, and constraining the stroke range of the deformable mirror; and (4) solving the deformable mirror surface shape based on a particle swarm optimization algorithm according to the imaging quality requirement of the imaging system.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Multi-unmanned aerial vehicle cooperative task scheduling method based on improved discrete particle swarm algorithm
ActiveCN110232492AAvoid getting stuck in local extremaMeet the constraintsArtificial lifeResourcesUncrewed vehicleDiscrete particle
The invention discloses a multi-unmanned aerial vehicle cooperative task scheduling method based on an improved discrete particle swarm optimization algorithm, and solves the problem of unmanned aerial vehicle cooperative multi-target attack task scheduling according to the position of an enemy target and basic information of an unmanned aerial vehicle. According to the method, the constraint condition of task scheduling is fused into particle updating, the particle iteration mode is improved by using cross mutation, and the algorithm is prevented from falling into a local extreme value by using mutation operation. According to the invention, an improved discrete particle swarm optimization algorithm is used to carry out comparative study on a scheduling scheme according to the voyage costof finishing tasks by the unmanned aerial vehicle and the maximum exposure time of the unmanned aerial vehicle, and an optimal task scheduling scheme is obtained through multiple iterations.
Owner:NANJING UNIV OF POSTS & TELECOMM
Network performance testing method and device
InactiveCN110324197AImprove accuracyImprove practicalityData switching networksTest requirementsMirror image
The invention discloses a network performance testing method and device, and relates to the technical field of computers. One specific embodiment of the method comprises the following steps: creatinga mirror image file related to a network performance test task; deploying a virtual machine based on the created mirror image file; and executing the test task by using the deployed virtual machine toobtain network performance parameters. According to the embodiment, the mirror image file is created according to the network performance test requirement, and then the virtual machine is deployed byutilizing the mirror image file, so that the network performance is tested, accurate performance parameters can be obtained, and the accuracy of the performance test is improved.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1
Wire harness fixing support
ActiveCN103812058ASolve constraint problemsSimple and reliable manufactureElectrical apparatusEngineeringMechanical engineering
Disclosed is a wire harness fixing support. The wire harness fixing support comprises an installation fixing surface fixedly connected with a vehicle body metal plate and a support fixing surface fixedly connected with a wire harness. The wire harness fixing support connects the wire harness and a vehicle body in a relatively fixed mode to solve the binding problem in the prior art and meanwhile is easy and reliable to manufacture and install.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
Prefabricated prestressed concrete filled steel tubular column and construction method
PendingCN113700221AHigh compressive strengthSolve constraint problemsStrutsBuilding material handlingPre stressArchitectural engineering
The invention belongs to the technical field of building construction, and discloses a prefabricated prestressed concrete filled steel tubular column and a construction method. The prefabricated prestressed concrete filled steel tubular column is mainly composed of steel pipes, an oil separant, positioning frames, concrete, steel formworks, bolts, column top connecting pieces and column foot connecting pieces, wherein the steel formworks are located outside the whole device, the inner wall of the outer steel pipe is coated with the oil separant, and the concrete is poured, so that the steel pipe and the concrete are kept in an isolated state; the column top connecting pieces and the column foot connecting pieces are located on the whole column top and the whole column foot respectively and play a role of a support, and the positioning frames are divided into an upper positioning frame and a lower positioning frame. The prestressed concrete filled steel tubular column manufactured through the construction method of the prefabricated prestressed concrete filled steel tubular column is simple in structure, compressive pre-stress is applied to internal concrete in advance, and therefore, the compressive strength of the concrete is improved, the restraining effect of the steel pipe can be achieved at the initial loading stage, and the stress performance is good.
Owner:河北省建筑工程质量检测中心有限公司
Integrated crystal resonator and processing method thereof
The invention discloses an integrated crystal resonator and a processing method thereof. The crystal resonator comprises a resonator wafer base and electrodes. The resonator base is produced by carrying out masking and chemical corrosion on a piezoelectric material. Sunken areas are arranged on the upper surface and the lower surface of the resonator wafer base. An upper electrode and a lower electrode are respectively arranged in the sunken areas. The depths of the sunken areas are greater than the thickness of the upper electrode or the lower electrode. The upper electrode and the lower electrode are equipped with metal lead-out wires at two ends of the resonator wafer base. An upper cover plate and a lower base plate are respectively fixed above the resonator wafer base. Bonding pads are respectively arranged at two ends of the bottom surface of the lower base plate. The bonding pads are connected with the metal lead-out wire of the upper electrode or the lower electrode. The upper cover plate, the lower base plate and the resonator wafer base are produced by the same material. According to the integrated crystal resonator and the method, additional frequency shift can be avoided; a mechanical grinding technology is avoided; a yield is improved; and moreover, the problem that in the prior art, the processing efficiency and the consistency for a small product are relatively low due to adoption of a uniwafer processing method is avoided.
Owner:TANGSHAN GUOXIN JINGYUAN ELECTRONICS CO LTD
A Blind Interference Alignment Method for SISO Systems
InactiveCN104184689BIncrease the signal space dimensionSolving the Single Antenna Constraint ProblemTransmission control/equalisingDiversity/multi-antenna systemsPrecodingAsymmetry
The invention discloses a blind interference alignment method of an interference channel in a SISO system. Firstly, the design of asymmetric complex signal is used to increase the dimension of the signal space, effectively solving the single antenna constraint problem, and then the receiving end uses the channel information and precoding vector information to design a filter to completely eliminate interference, and proves that the design of the transmitting end The precoding vector does not need to know the channel information, so as to realize the blind interference alignment. In addition, the invention proves that the system degree of freedom of K users interfering with the channel reaches K / 2, which is also the upper limit of the system degree of freedom when the channel state information of the transmitting end is known. The blind interference alignment method proposed by the present invention can effectively solve the problem that the signal space dimension is not high enough and the perfect channel state information is difficult to obtain in an actual system, effectively eliminate system interference, and improve throughput.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA
A wire harness fixing bracket
ActiveCN103812058BSolve constraint problemsSimple and reliable manufactureElectrical apparatusEngineeringMechanical engineering
Disclosed is a wire harness fixing support. The wire harness fixing support comprises an installation fixing surface fixedly connected with a vehicle body metal plate and a support fixing surface fixedly connected with a wire harness. The wire harness fixing support connects the wire harness and a vehicle body in a relatively fixed mode to solve the binding problem in the prior art and meanwhile is easy and reliable to manufacture and install.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
Robust Optimal Guidance Method for Reentry Vehicle Based on Model Predictive Control Theory
ActiveCN106054604BMeet the best performance indicatorsImprove convenienceAdaptive controlFlight vehicleControl engineering
The invention discloses a reentry aircraft robust optimal guidance method based on a model predictive control theory. The reentry guidance problem is described as the optimal control problem, an idea of predicted correction is combined with the advantages of processing constraint and optimization in the model predictive control theory, and a guidance method capable of satisfying reentry optimality and robustness is formed. The reentry aircraft robust optimal guidance method can fully utilize the advantages of model predictive control in the aspects of route tracking and constraint processing so that the process constraint, tail end constraint and control constraint can be effectively solved in the guidance design process, and can satisfy the optimal performance index; the reentry aircraft robust optimal guidance method introduces the idea of predicted correction into the guidance strategy so as to increase the robustness of designed trajectory and guidance, predicts the future through applying the current state, compares the predicted value with an expected value, corrects a guidance command, and ensures the robustness of the reentry process; and the model predictive control theory and the idea of predicted correction are combined so that the robustness and optimality of reentry guidance can be well satisfied.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Geotechnical engineering triaxial compression test micro-friction load force transmission plate
ActiveCN104089813BImprove technical levelReduce interface frictionStrength propertiesSteel ballTriaxial compression
The invention provides a geotechnical engineering triaxial compression test micro-friction load force transfer plate which comprises a circular bearing plate, wherein a sliding stop rod is arranged in the center of the circular bearing plate; six first rectangular grooves are uniformly distributed in the circular bearing plate along the circumferential direction in a radial shape; a third rectangular groove is formed between two adjacent first rectangular grooves; a second rectangular groove is formed between the first rectangular groove and the adjacent third rectangular groove; the first rectangular grooves, the second rectangular grooves and the third rectangular grooves are respectively and correspondingly embedded into first guide rails, second guide rails and third guide rails; two arc-shaped grooves are formed in each of the guide rails; steel balls are arranged in the arc-shaped grooves; multiple circles of slide blocks are sequentially arranged on the guide rails along the radial direction of the circular bearing plate; the slide blocks can freely slide on the guide rails along the radial direction through the steel balls. An axial load is applied to a sample through the multiple circles of automatic slide blocks, the frictional resistance between the slide blocks and the circular bearing plate is reduced through the steel balls, and the problem that the end of the sample is constrained can be well solved.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
A two-stage optimization method for live working paths in distribution networks
ActiveCN108734333BSolving Compilation IssuesSolve the coordination problem of time scaleForecastingWork planWork task
The present invention relates to a two-stage optimization method for live work paths in a distribution network, comprising: Step S1: Obtain the work plan or urgent task requirements for live work in the next cycle, and collect task information of operating points according to the plan or requirements; Step S2: Perform weekly According to the combination of the previous operation tasks, the operation points are divided into several areas according to the principle that the operation points in the same area (one-to-one correspondence between areas and working days, the same below) are as close as possible in geographical location and have the same working day time limit requirements; step S3 : Carry out rolling optimization of the day-ahead operation path and update the day-ahead urgent task requirements. For a certain area, the optimal operation path for this area is calculated with the goal of minimizing the mileage of all vehicles required to complete the task of the operation point in the area. Compared with the prior art, the present invention adopts a two-stage optimization method, first decomposing the work tasks into working days, and then determining the driving path of the working vehicles on each working day, and solving the problem of working plan preparation for live work in the distribution network in stages.
Owner:TAIAN POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO
Motor protection method and device
ActiveCN103219704BSolve constraint problemsAvoid damageElectrically conductive connectionsEmergency protective circuit arrangementsForeign matterPower flow
The invention describes a motor protection device which comprises a sensing portion sensing the constraint of a motor, a temperature sensing portion measuring the external temperature of a motor, a control portion obtaining state information of the motor through the sensing portion and / or the temperature sensing portion, analyzing current flowing through the motor and outputting corresponding signals, and a hot line receiving the control signals from the control portion to provided heat energy to the motor and determining whether the constraint of the motor, when exists, is icing constraints or foreign matter constraints through the sensing portion and / or the temperature sensing portion. In this way, the determination of icing constraint is more objective, and the constrained can be solved by exciting the hot line when the motor constraint is determined to icing constraint. The motor protection device blocks overcurrent continuously flowing through the motor and stops the motor drive at a proper time to prevent damage of the motor, thereby facilitating safe driving.
Owner:HYUNDAI MOBIS CO LTD
Large-scale interconnected power grid spinning reserve risk assessment method based on state space division method
ActiveCN102055187BAdaptableFast convergenceData processing applicationsPower network operation systems integrationCurse of dimensionalityElectric power system
The invention provides a large-scale interconnected power grid spinning reserve risk assessment method based on a state space division method Along with the appearance of a large-scale interconnected power grid, the quantity of elements of a power grid system is sharply increased, and the network scale is further complicated, thus the traditional reserve risk assessment method cannot meet the development requirements of the large-scale interconnected power grid, has the problems of curse of dimensionality in the aspect of state selection and inability of assessment in the aspect of state analysis, and can be influenced by transmission capacity restraint of area connecting lines. In the invention, the system state is selected by using a state space division method and analyzed by using a load reduction technology based on linear programming, thus the method better solves the problems of huge system scale and transmission capacity restraint of the area connecting lines in the spinning reserve risk assessment, realizes the quick and precise calculation of a spinning reserve risk index of the large-scale interconnected power grid, can provide real-time system spinning reserve information for personnel of a dispatching system, is beneficial for the dispatching personnel to taking effective measures in time, improves the reliability level of the system, and reduces the power-off risk of the system.
Owner:CHINA ELECTRIC POWER RES INST +1
Local learning method and device and medium
PendingCN114528966AReduce power consumptionSolve constraint problemsMachine learningPhysical realisationOnline learningEngineering
The invention discloses a local learning method and device and a medium. The method comprises the following steps: receiving an input data stream through a TinyML model, reasoning the data stream through the TinyML model to obtain a reasoning data stream, and sending the reasoning data stream to a local learning module; inputting the reasoning data stream into an additional neural network layer of a local learning module, and performing reasoning through the additional neural network layer to obtain a prediction result; a label flow is obtained according to the data flow, an update matrix is determined according to the prediction result and the label flow, and the update matrix is sent to an update layer of a local learning module; and determining an update weight parameter according to the update matrix, and sending the update weight parameter to the additional neural network layer so as to update the additional neural network layer according to the update weight parameter. According to the invention, resource-limited MCU online learning is realized through the local learning system, the model weight is updated locally according to the collected data, and the constraint and limitation of the MCU are effectively solved.
Owner:SHANDONG INSPUR SCI RES INST CO LTD
Prefabricated Prestressed Steel Tube Concrete Column and Its Construction Method
InactiveCN110306727BSimple structureHigh compressive strengthStrutsBuilding reinforcementsPre stressArchitectural engineering
A prefabricated prestressed concrete-filled steel tubular column and a construction method. It consists of an outer steel pipe, an upper steel pipe, a lower steel pipe and concrete; the outer steel pipe, the upper steel pipe and the lower steel pipe are all round steel pipes; the upper steel pipe is located at the upper part of the outer steel pipe, and one end extends out of the outer steel pipe; Steel pipes; the outer and upper steel pipes are filled with concrete, and the lower steel pipes have no concrete. During construction, the side surfaces of the concrete formed column are chiseled, the top and bottom surfaces are ground flat, the outer steel pipe is heated, and the outer steel pipe is sleeved on the concrete formed column. The invention can solve the constraint problem of the steel tube on the concrete in the initial stage of loading, improve the mechanical performance of the concrete-filled steel tube column in the use stage, and realize assembly construction.
Owner:SHANDONG UNIV OF SCI & TECH
A cable tie machine and a cable tie method
ActiveCN112319891BSolve constraint problemsImprove versatilityBinding material applicationPackaging automatic controlRobot handControl cell
The invention relates to a cable tie machine and a cable tie method, belonging to the technical field of cable tie machines, and solves the problem of cable ties in the process of multiple windings or complicated insertions. The cable tie machine of the present invention includes a feeding mechanism, a control unit, a box, a display screen, a manipulator and a gripper mechanism; the manipulator and the gripper mechanism are installed in the box, and the control unit can control the manipulator to follow the set path Bundle the items; the display screen is a human-computer interaction interface for inputting working parameters. The invention utilizes the flexibility of the manipulator to solve the problem of motion guidance and constraint of the cable tie in the process of multiple winding or complex interweaving; uses the image recognizer to solve the shape change posture correction during the cable tie movement process, the cable tie hole positioning, accurate Cutting and quality judgment and other issues; using a 3D scanner to model and analyze cable ties in real time, adapting to different types of cable ties and having good versatility.
Owner:SICHUAN JIUZHOU ELECTRIC GROUP
Spherical pair centering and one-dimensional calibration target for automobile topography visual detection system
The invention discloses a spherical pair centering and one-dimensional calibration target for an automobile topography visual detection system and aims to solve the problem about centering rotation required by calibration of the one-dimensional calibration target for the automobile topography visual detection system. The spherical pair centering and one-dimensional calibration target for the automobile topography visual detection system mainly comprises a camera support (1), a camera (2), a spherical pair type target rod (3), conical targets (4) and a base (5), wherein the spherical pair type target rod (3) can rotate to any position around the center of a spherical surface pit of the base (5), the system acquires images of the conical targets (4) through the camera (2), and all parameters of the camera (2) are calibrated according to the images, acquired by the camera (2), of the conical targets (4) in multiple positions. The spherical pair centering and one-dimensional calibration target for the automobile topography visual detection system is simple in structure, high in detection accuracy, simple and convenient to operate, easy to mount, lower in cost and reliable in performance.
Owner:JILIN UNIV
Method of generating trigger signal for controlling multimedia interface
ActiveCN111147689ASolve constraint problemsTelevision system detailsColor television detailsComputer hardwareComputer architecture
The invention relates to a method for generating a trigger signal for controlling a multimedia interface. A system includes an electronic module and an integrated circuit external to the electronic module. The integrated circuit is configured to generate a digital timing signal emulating a first synchronization signal, the first synchronization signal is internal to the module and is unavailable external to the module, and a trigger signal is generated based on the digital timing signal. The controller is configured to independently and autonomously perform a control operation of the electronic module at the time triggered by the trigger signal.
Owner:STMICROELECTRONICS (ROUSSET) SAS
A micro-vibration active vibration isolation device installation connector and installation method thereof
ActiveCN105299132BSolve various problems caused by precision characteristicsSolve constraint problemsNon-rotating vibration suppressionShock proofingControl systemAdhesive
Owner:CHINA ELECTRONICS ENG DESIGN INST
Parameter control method and device of node movable base structure, equipment and storage medium
ActiveCN112836254AAddress effectivenessSolve constraint problemsGeometric CADControl engineeringStructural engineering
The embodiment of the invention discloses a parameter control method and device for a node movable base structure, equipment and a storage medium. The method comprises the steps that an original base structure is obtained, the original base structure comprises a plurality of base structure assemblies, and each base structure assembly comprises a first node and a second node which are located at the two ends of the base structure assembly; the base structure assemblies are controlled to be connected through the first nodes and the second nodes; and geometric parameters of the base structure assembly are controlled by adjusting the positions of the first node and the second node. According to the embodiment of the invention, the effect of effectively controlling or constraining the parameters of the base structure is realized.
Owner:DALIAN UNIV OF TECH
Natural language processing method based on learning auxiliary knowledge graph
PendingCN112015921AQuick identificationNormative Recognition BehaviorSemantic analysisNeural architecturesCharacter (computing)Processing
The invention discloses a natural language processing method based on a learning auxiliary knowledge graph. The method comprises the steps of converting curriculum question characters and voice data input by a learner into internal representation data of a machine to obtain input data, accessing an education domain knowledge graph in a server through edge computing, and analyzing the input data toobtain language recognition data under the assistance of the education domain knowledge graph. According to the invention, the knowledge graph is used as an interpretation basis for the input data, semantics can be quickly recognized, and accurate course problem expression meaning is extracted.
Owner:CHONGQING RADIO & TV UNIV
A method for processing instruction information
ActiveCN110309644BRestricted accessSolve the instruction constraint problemDigital data authenticationProcessing InstructionInformation processing
The invention relates to an instruction information processing method, which is characterized by comprising the following steps of obtaining a state word of an operating system; receiving a first instruction; disassembling the first instruction to generate a first instruction header; disassembling the first instruction header to generate a first instruction type and a first instruction code; performing the legal type verification processing on the first instruction type according to the operating system character; and performing the legal instruction verification processing on the first instruction code according to the operating system state word and the first instruction type, so that by identifying the state of the operating system, the use limitation of the instruction cluster is realized, and the use safety of the product is further ensured.
Owner:兆讯恒达科技股份有限公司
A Genetic Scheduling Method Based on Combination Production and Equipment Failure Constraints
ActiveCN113326581BShorten scheduling delaysSolve constraint problemsGeometric CADDesign optimisation/simulationProduction lineAutomatic control
The invention discloses a genetic scheduling method based on combined production and equipment fault constraints, which is used in workshop flexible job scheduling technology, and relates to the technical field of automatic control. The roulette selection method based on machine failure rate is introduced, so that the job can be completed on healthy machines to the greatest extent, thereby reducing the scheduling delay when equipment failure occurs, optimizing the fitness calculation of the genetic scheduling algorithm of the combined production line, and then applying the intelligent scheduling algorithm to Combined box production line, the experimental results show that compared with the scheduling method based on genetic algorithm, this scheduling strategy can obtain better initialization population, convergence and robustness, solve the intelligent scheduling problem of combined production line, and consider The possibility of machine loss and failure, thereby realizing flexible job shop scheduling.
Owner:JIANGLU MACHINERY & ELECTRONICS GROUP
Intelligent microgrid
PendingCN110247432AEasy to controlIncrease profitSingle network parallel feeding arrangementsAc network load balancingSmart microgridPower grid
The invention discloses an intelligent microgrid and relates to the technical field of power grids. The microgrid comprises a distributed power supply system, a load system, an energy storage system and an electric energy management system. The distributed power supply system comprises a distributed power supply and a distributed power supply monitoring device. The load system comprises a load and a load monitoring device. The energy storage module comprises an energy storage battery, an energy storage alternating current device and an energy storage battery monitoring device. The distributed power supply, the distributed power supply monitoring device, the load, the load monitoring device, the energy storage battery, the energy storage alternating current device and the energy storage battery monitoring device are all connected with the electric energy management system. The distributed power supply monitoring device is connected with the distributed power supply. The load monitoring device is connected with the load. The energy storage alternating current device and the energy storage battery monitoring device are both connected with the energy storage battery. According to the invention, the power grid in a local area can be conveniently controlled, and the power supply reliability and the power supply quality requirement are improved.
Owner:江苏大航微电网科技有限公司 +1
A Multi-UAV Cooperative Task Scheduling Method Based on Improved Discrete Particle Swarm Optimization Algorithm
ActiveCN110232492BAvoid getting stuck in local extremaMeet the constraintsArtificial lifeResourcesSimulationUncrewed vehicle
The invention discloses a multi-UAV cooperative task scheduling method based on an improved discrete particle swarm algorithm, which solves the problem of UAV cooperative multi-target strike task scheduling according to the position of an enemy target and the basic information of the UAV. The invention integrates the constraint condition of task scheduling into the update of particles, improves the iterative mode of particles by using cross mutation, and avoids the algorithm from falling into local extreme value by using mutation operation. The invention uses the improved discrete particle swarm algorithm to conduct comparative research on the scheduling scheme according to the voyage cost of the drone to complete the task and the maximum exposure time of the drone, and obtains the best task scheduling scheme through multiple iterations.
Owner:NANJING UNIV OF POSTS & TELECOMM
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com