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.
225 results about "Hardware in loop simulation" 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
Multifunctional simulation system for automatic driving
ActiveCN108803607AImprove portabilityEfficient verificationPosition/course control in two dimensionsVehiclesVirtual vehicleData interface
The invention provides a multifunctional simulation system for automatic driving. The multifunctional simulation system comprises a virtual vehicle module, a virtual chassis control module, a virtualroad module, a virtual traffic module, a time control unit module and a visualized interactive interface module, the virtual road module provides cartographic information for an automatic driving algorithm and the virtual traffic module, the virtual traffic module provides road conditions including vehicles, pedestrian, traffic lights and the like for the automatic driving algorithm, the automaticdriving algorithm communicates with the virtual vehicle module through a virtual chassis so as to obtain vehicle information and send vehicle control instructions, a visualized interactive interfacesends human-computer interaction information to the simulation system and displays system information in a visualized three-dimensional effect, and finally, the time control unit module controls intervals of simulation time of the simulation system comprising the automatic driving algorithm. Data interfaces of the virtual modules are kept consistent with those of a real system, so that multifunctional modes, including hardware-in-loop simulation, of the simulation system can be realized.
Owner:北京领骏科技有限公司
Hardware-in-the-loop simulation testing system of complete vehicle controller
ActiveCN103186101ARealize simulation testImproving Simulation Test EfficiencySimulator controlTest efficiencyEngineering
The invention provides a hardware-in-the-loop simulation testing system of a complete vehicle controller, and relates to a simulation technology, in particular to a simulation testing technology of a complete vehicle controller. The hardware-in-the-loop simulation testing system of the complete vehicle controller is used for improving the testing efficiency of the complete vehicle controller and comprises dummy operation equipment, simulation equipment, running monitoring equipment and simulation monitoring equipment, wherein the simulation equipment is connected with the dummy operation equipment, the complete vehicle controller subjected to simulation testing, and the simulation monitoring equipment respectively, and the running monitoring equipment is connected with the complete vehicle controller subjected to the simulation testing. The system has a real-time property and can observe the characteristics in a simulation testing process at any time, so that the hardware-in-the-loop simulation testing efficiency of the complete vehicle controller is improved.
Owner:ZOOMLION HEAVY IND CO LTD
Simulation test bed for automatic gearbox controller and simulation model establishing method
ActiveCN101968630AImprove development efficiencyImprove test efficiencySimulator controlVehicle dynamicsTest efficiency
The invention discloses a simulation test bed for an automatic gearbox controller. The test bed comprises a host computer, a real-time object machine, a signal generating and measuring part, an engine electric controller and a plurality of electromagnetic valves, wherein the host computer, the real-time object machine, the engine electric controller and the electromagnetic valves are connected with the signal generating and measuring part respectively; the host computer downloads a simulation model of an automatic transmission vehicle dynamic assembly to the real-time object machine; an engine model, an automatic gearbox model and a whole vehicle dynamic model are integrated in the simulation model of the automatic transmission vehicle dynamic assembly; the simulation model of the automatic transmission vehicle dynamic assembly contains hardware-in-the-loop of the gearbox controller and hardware-in-the-loop of the engine electric controller to form a virtual vehicle gearbox controller develop simulation platform close to a real vehicle, can greatly improve the developing test efficiency of the gearbox controller under a condition of ensuring the software quality of the gearbox controller. The invention also discloses a method for establishing the simulation model of the automatic transmission vehicle dynamic assembly.
Owner:UNITED AUTOMOTIVE ELECTRONICS SYST
Power electronic circuit fault diagnosis method based on optimizing deep belief network
ActiveUS20200285900A1Improving power electronic circuit fault identification accuracyInterference featureElectrical testingCharacter and pattern recognitionDeep belief networkLearning machine
A fault diagnosis method for power electronic circuits based on optimizing a deep belief network, including steps. (1) Use RT-LAB hardware-in-the-loop simulator to set up fault experiments and collect DC-link output voltage signals in different fault types. (2) Use empirical mode decomposition to extract the intrinsic function components of the output voltage signal and its envelope spectrum and calculate various statistical features to construct the original fault feature data set. (3) Based on the feature selection method of extreme learning machine, remove the redundancy and interference features, as fault sensitive feature data set. (4) Divide the fault sensitive feature set into training samples and test samples, and primitively determine the structure of the deep belief network. (5) Use the crow search algorithm to optimize the deep belief network. (6) Obtain the fault diagnosis result.
Owner:WUHAN UNIV
Hardware-in-loop simulation testing system and testing method for automobile
ActiveCN104062969ATake up less resourcesLow costElectric testing/monitoringComputer hardwareLabview software
The invention discloses a hardware-in-loop simulation testing system for an automobile, and the system comprises an industrial control computer, a to-be-tested controller part, a data collection card of a PCI bus type, a CAN card of a PCI interface, and a signal conditioning circuit. The industrial control computer is provided with a MATLAB / Simulink software platform and a Labview software and Teststand software platform. The industrial control computer communicates with the to-be-tested controller part through the data collection card and the CAN card. The testing system occupies fewer resources, is low in cost, is simple in configuration, and is convenient and practical. One industrial control computer not only can achieve a function of real-time simulation of a target machine, but also can achieve a function of controlling and checking of a monitoring interface of an upper computer. The testing system achieves on-line adjusting of parameters and data recording. A testing method is high in speed of operation and is wide in range of application, and a driver with various types of data collection cards can be supplied to a user.
Owner:清华大学苏州汽车研究院(吴江)
Hardware-in-the-loop simulation system of automatic mechanical transmission (AMT) controller and automatic test method thereof
The invention discloses a hardware-in-the-loop simulation system of an automatic mechanical transmission (AMT) controller, which comprises a LABCAR system, wherein the LABCAR system comprises a gasoline engine vehicle model, the gasoline engine vehicle model comprises a vehicle submodel, the vehicle submodel comprises an automatic transmission case submodel, and the automatic transmission case submodel comprises a signal collection model, a transmission system model, an execution mechanism model and a shift-level processing model. The invention also discloses a method for the hardware-in-the-loop simulation system to automatically test the AMT controller. Due to the adoption of the hardware-in-the-loop simulation system and the method, the interaction between vehicles and the AMT controller can be actually simulated, so different tests can be performed on the AMT controller.
Owner:UNITED AUTOMOTIVE ELECTRONICS SYST
System and method for performing a hardware-in-the-loop simulation using a plurality of graphical programs that share a single graphical user interface
A system and method for performing a hardware-in-the-loop simulation using a plurality of graphical programs that share a single graphical user interface. A first graphical program that models a physical system may be created. The first graphical program may be deployed on a first computer system for execution. A second graphical program that performs a measurement function may be created. A control unit may be coupled to the first computer system. The first graphical program may be executed on the first computer system to simulate operation of the physical system, wherein the control unit interacts with the first computer system. The second graphical program may be executed to measure characteristics of the operation of the control unit. A single graphical user interface comprising a first one or more graphical user interface elements for the first graphical program and a second one or more graphical user interface elements for the second graphical program may be displayed.
Owner:NATIONAL INSTRUMENTS
Anti-rollover warning control method and system for vehicles and hardware-in-the-loop simulation method
InactiveCN107745709AAnti-rollover early warning control method is reasonableAnti-rollover warning is accurateRolloverControl system
The invention discloses an anti-rollover warning control method and system for vehicles and a hardware-in-the-loop simulation method. The anti-rollover warning control method for vehicles comprises following steps: obtaining current motion state parameters of a vehicle and then calculating vehicle rollover indexes; determining and obtaining vehicle rollover warning time according to rollover conditions and a threshold value of the rollover warning time and completing calculation of one warning period; finally, according to the rollover warning time value, determining whether there is risk of rollover; when there is the risk of rollover, performing corresponding brake control. The anti-rollover warning control method provided in the invention is reasonable; accurate and efficiency anti-rollover warning can be achieved; timely and reasonable brake control are adopted to mitigate the drive burden of drivers. Besides, by means of the provided hardware-in-the-loop simulation method based onthe anti-rollover warning control system, the anti-rollover effect of the anti-rollover warning control system can be accurately simulated.
Owner:HUBEI UNIV OF ARTS & SCI
In-loop simulation test system and test method for vehicle management system
ActiveCN104298123AImprove performanceQuality improvementSimulator controlElectric machinerySoftware development
The invention discloses an in-loop simulation test system and test method for a vehicle management system. The test system comprises a hybrid power system stand and an in-loop test bench for being in communication connection with a vehicle management system to be tested. The hybrid power system stand comprises an engine and a main motor which are mutually connected as well as a load dynamometer which is connected with the main motor. By enabling an actual hybrid power drive system to be combined with a conventional hardware-in-loop simulation system, the vehicle management system to be tested is allowed to be in a real vehicle power drive system in a simulation manner, thereby improving vehicle management system software development quality and precision, reducing real vehicle road test times, reducing development time and cost, and reducing road test process risk; meanwhile, vehicle power performance test can be achieved; and through matching optimization of the power system, the whole performance of the vehicle is improved.
Owner:ZHENGZHOU YUTONG BUS CO LTD
Apparatus for providing data to a harware-in-the-loop simulator
ActiveUS20170169623A1Geometric CADRegistering/indicating working of vehiclesMobile vehicleReal-time data
Apparatus for providing real-time data to a hardware-in-the-loop simulator for an automotive vehicle. The apparatus includes a test vehicle having at least one sensor which generates an output signal representative of a condition of the vehicle. A wireless transmitter such as a cellular phone on the motor vehicle receives the sensor output signal as an input signal and transmits that output signal to a computer network. A simulator data server receives the data from the computer network and provides that data to the hardware-in-the-loop simulator.
Owner:HITACHI LTD
Four-wheel drive pure electric vehicle hardware-in-loop simulation experimental system
InactiveCN103176472AAccurate analysisOptimal Control StrategyElectric testing/monitoringVehicle dynamicsFpga implementations
The invention relates to a four-wheel drive pure electric vehicle hardware-in-the-loop simulation experimental system. The system comprises a drive motor and controller subsystem, an electric dynamometer and controller subsystem, torque and rotational speed sensors, a vehicle dynamic model real-time simulation subsystem and a signal detection and analysis subsystem. The system achieves pure electric vehicle four-wheel independent drive via the motor and controller subsystem, and achieves simulation of vehicle travel load via the electric dynamometer and controller subsystem. Vehicle dynamic response is achieved by operating a real-time simulation model through a real-time controller, and signal input, output and conditioning of a vehicle control unit are achieved by the aid of an FPGA (field programmable gate array). The system is capable of performing hardware-in-the-loop simulation for four-wheel drive pure electric vehicles to achieve rapid development and product testing of a vehicle drive system, and has the advantages of energy saving, safety, rapidness and low cost.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
DSPACE-based motor control hardware-in-the-loop automated test system and method
ActiveCN107831757AEasy to integrateImprove the testing processProgramme controlElectric testing/monitoringTest platformTest execution
The invention discloses a dSPACE-based motor control hardware-in-the-loop automatic test system and method. The system includes a to-be-tested object motor controller, a hardware-in-the-loop simulation platform and an automatic test system platform; the hardware-in-loop simulation platform includes a real-time processor, an IO board card, test management software, and the like, wherein the real-time processor is connected with the to-be-tested motor controller through the IO board card and operates a virtual motor model to simulate the operating state of a motor; and the automatic test platform includes a keyword driving module, a test case editing module, a Robot Framework automatic test framework, a test execution module, and a test report output module. With the dSPACE-based motor control hardware-in-the-loop automatic test system and method of the invention adopted, the logic function of the to-be-tested motor controller can be tested automatically; the strategy response of fault injection can be verified; the startup of the automatic test system can be controlled through command line statements; a test report can be automatically generated; automatic testing can be realized ina real sense; and a sound test process of an enterprise can be established. The automatic test system can be conveniently integrated with an existing open-source Jenkins regression test system.
Owner:HEFEI JUYI POWER SYST CO LTD
Method and system of electronic control unit (ECU) hardware-in-loop simulation automated testing
ActiveCN103064403AImprove unityImprove regularityElectric testing/monitoringCode TranslationAutomatic testing
The invention discloses a method and a system of electronic control unit (ECU) hardware-in-loop simulation automated testing. The method comprises the following steps: a test form is filled in so that one or a plurality of test form cases, an automation code is run to enable the form test cases to generate executable files for testing, the test is executed, and a test report is generated. An automated interpreter code is needed to design only once and is permanently effective, and an automated testing development engineer is enabled to be out of a lot of test case code translation work. By adoption of a form test case development mode, the method and the system of ECU hardware-in-loop simulation automated testing are simple, efficient, universal and flexible, and cost performance is high and practical. After a lot of form tests are developed by a testing project, corresponding executable test cases are generated by queue with one key and are automatically executed with one key, so that hardware-in-loop (HIL) automated testing of the ECU is achieved in the real sense.
Owner:WEICHAI POWER CO LTD
Lane keeping method and system based on veDYNA (vehicle dynamics simulation software)
ActiveCN107292048AImprove retentionHigh precisionGeometric CADSteering partsVehicle dynamicsSteering wheel
The invention discloses a lane keeping method and system based on veDYNA (vehicle dynamics simulation software). The method includes the steps: S1 acquiring horizontal position deviation information of vehicles at preview points; S2 calculating expected steering wheel angles of the vehicles tracking target lanes according to the horizontal position deviation information and vehicle traveling information; S3, acquiring actual steering wheel angle information of the vehicles, and calculating auxiliary torque according to the expected steering wheel angles and actual steering wheel angles; S4 correcting steering wheel angles according to auxiliary torque information. According to the lane keeping method and system, real vehicles and driving conditions are simulated by the aid of virtual vehicle models and simulation environments built by the veDYNA, real-time hardware in-the-loop simulation of the vehicle models is achieved, actual driving conditions of the vehicles are analyzed and processed, so that suitable steering wheel angles are provided for drivers according to analyzing results, and the steering wheel angles are controlled to track driving of the vehicles along vehicle lane center lines in real time.
Owner:HEFEI UNIV OF TECH
Hardware-in-the-loop simulation platform for energy management strategies of plug-in hybrid electric vehicle
ActiveCN105416086APredict and evaluate the simulation effect of energy management strategiesReal-time monitoring of bus load rateCharging stationsSimulator controlMATLABPlug in hybrid electric vehicle
The invention provides a hardware-in-the-loop simulation platform for energy management strategies of a plug-in hybrid electric vehicle. The hardware-in-the-loop simulation platform comprises a PC upper computer, a vehicle control unit, a line concentrator, a VT system real-time simulation system, CANoe software, MotoTune software, a brake pedal, an accelerator pedal and a key switch. According to the platform, the PC upper computer constructs a plug-in hybrid electric vehicle model through MATLAB / Simulink, and a real-time simulation core is generated; the real-time simulation core is downloaded to VTSystem by the CANoe software; a vehicle energy management strategy is established by MotoHawk software and is downloaded to the vehicle control unit by the MotoTune software. The PC upper computer monitors and evaluates the bus environment by the aid of the CANoe software. Compared with an existing hardware-in-the-loop simulation platform, the hardware-in-the-loop simulation platform has the advantages that the energy management strategy development efficiency of the plug-in hybrid electric vehicle is improved and the like.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Testing method and system of auxiliary driving vehicle hardware in loop simulation
ActiveCN109901546AImprove the degree of simulation reductionImprove simulation accuracyElectric testing/monitoringVehicle dynamicsJoint simulation
The invention relates to a testing method and system of auxiliary driving vehicle hardware in loop simulation. Information fusion and decision are conducted through a to-be-tested intelligent controller according to corresponding scene information, a lateral dynamics command is sent to a driver model of the hardware in a loop simulation platform, a longitudinal dynamics command is sent to a wholevehicle control unit, then the longitudinal dynamics command is sent to a whole vehicle dynamics model through the whole vehicle control unit, the driver model and the whole vehicle dynamics model respectively response to the lateral dynamics command and the longitudinal dynamics command, thus present vehicle gesture information is generated, the present vehicle gesture information is compared with standard vehicle gesture information, and testing situation of the hardware in loop simulation is judged. According to the testing method and system of the auxiliary driving vehicle hardware in loopsimulation, joint simulation is conducted on the to-be-tested intelligent vehicle controller and the whole vehicle control unit, the simulation platform is constructed according to a real vehicle system, the simulation reduction degree and precision are improved, and the problems that testing period of a real vehicle is long, the efficiency is low, the cost is high, and testing is influenced by factors such as scene and weather limiting are solved.
Owner:ZHENGZHOU YUTONG BUS CO LTD
Hardware in-loop simulation test system for traffic signal control system
ActiveCN102645930AImplement performance testingRealize online routine testingElectric testing/monitoringComputer hardwareEngineering
The invention relates to a hardware in-loop simulation test system for a traffic signal control system, and relates to the technical field of traffic signal control and traffic simulation, for overcoming the defects that a practical signal control system cannot support prior evaluation and traffic simulation software can not simulate a timing scheme of the signal control system in real time. The test system consists of the traffic signal control system, signal conversion equipment and a traffic simulation module, wherein one-to-one or one-to-many data transmission between the signal conversion equipment and a signal machine and between the traffic simulation module and the signal conversion equipment can be realized by wire / wireless connection. The signal conversion equipment can be interface equipment which independently runs, or an input / output card on a main board of a computer, or a universal interface assembled on the signal machine and the computer. The data transmission takes the signal conversion equipment as a bridge, vehicle detecting information is transmitted to the signal machine by the traffic simulation module, and signal timing information is transmitted to the traffic simulation module by a traffic signal controller.
Owner:TONGJI UNIV
Hardware-in-the-loop test bench based on electromechanical braking system
InactiveCN101561354AThe result is accurateReduce testing costsVehicle testingCurrent sensorData acquisition
The invention discloses a hardware-in-the-loop test bench based on an electromechanical braking system, which is divided into a software part, a real-time platform, a signal processing part and a hardware part, wherein the real-time platform consists of a host and target machines 1 and 2; the host and the target machines 1 and 2 are connected by a wireless network; the signal processing part consists of first and second data acquisition cards with the model of PCL-818HD, third and fourth data acquisition cards with the model of PCL-727, a fifth data acquisition card with the model of PCI-6601 and a V / F conversion module; the first and second data acquisition cards with the model of PCL-818HD and the third and fourth data acquisition cards with the model of PCL-727 are connected with the target machines 1 and 2 by an ISA bus; the fifth data acquisition card with the model of PCI-6601 is connected with the target machine 2 by a PCI bus; and the hardware part comprises an EMB actuator controller, an EMB actuator, a force sensor, a revolution transmitter and a current sensor.
Owner:JILIN UNIV
Hardware in-loop simulation system for comprehensive optimization control of main power and manipulation of ship
InactiveCN101819441ARealize automatic navigationCoordination maneuverabilityElectric testing/monitoringWind waveMarine engineering
The invention discloses a hardware in-loop simulation system for comprehensive optimization control of main power and manipulation of a ship. The system comprises a virtual ship motion simulation system, a ship main power and manipulation comprehensive optimization controller, a ship steering and main engine console, a ship monitoring simulation system, a system scheduling server and an Ethernet, wherein the virtual ship motion simulation system, the ship main power and manipulation comprehensive optimization controller, the ship monitoring simulation system and the system scheduling server exchange data with each other through the Ethernet respectively; and the ship main power and manipulation comprehensive optimization controller is directly connected with the ship steering and main engine console through analogue level. Because a user of the invention can set different ship parameters such as length of the ship, draft and block coefficient and sea condition parameters such as wind wave strength, direction and the like on a user interface provided in the ship monitoring simulation system as required, the control simulation effects of various types of ships under various sea conditions can be simulated.
Owner:DALIAN MARITIME UNIVERSITY
State of charge (SOC) estimation method of lithium ion battery
The invention provides a state of charge (SOC) estimation method of a lithium ion battery and belongs to the battery detection field. The SOC estimation method of the lithium ion battery can accurately and efficiently conduct real time monitoring on all states (terminal voltage, charging and discharging current and surface temperature of each battery) of a lithium ion battery pack in real time, and can timely and accurately conduct estimation on the SOC of an entity battery. The SOC estimation method of the lithium ion battery conducts estimation on the SOC of the entity battery based on hardware in the loop simulation platform of an xPCTarget. The SOC estimation method of the lithium ion battery comprises the following specific steps of data collecting part, a target machine part and a host machine part. Compared with an existing estimation method, the SOC estimation method of the lithium ion battery can accurately and efficiently conduct real time monitoring on the all states (the terminal voltage in real time, the charging and discharging current and the surface temperature of each battery) of the lithium ion battery pack, a power battery pack of an electrical vehicle can achieve an ideal effect, and the SOC estimation method of the lithium ion battery can play a vital role in development of an existing electrical vehicle and make outstanding contribution to environment protection.
Owner:JILIN UNIV
Automatic drive simulator based driving behavior hardware-in-loop simulation testing system
PendingCN109801534AImprove development efficiencyIn line with expectationsCosmonautic condition simulationsSimulatorsDriver/operatorControl signal
The invention relates to an automatic drive simulator based driving behavior hardware-in-loop simulation testing system, which comprises a simulation module, a sensor module, a domain controller DCU,a camera obscura and a driving simulator. The camera obscura comprises a second display and a camera, and the driving simulator comprises a first display, a driving input device and a computer. The driving input device is used for a driver to input driving control signals, and a driving simulation program is installed in the computer. The first display and the driving input device are both connected with the computer, the simulation module generates a simulation model on the basis of data acquired by the sensor module to receive the driving control signals, inputted by the driver, sent by thedriving input device, the simulation model is updated, synchronous displaying is realized through the second display and the first display, the camera acquires contents displayed by the second displayand sends to a domain controller DCU, and learning is realized through the controller. Compared with the prior art, the system has the advantage of improvement of automobile drive stability and the like.
Owner:SHANGHAI COTECH AUTOMOTIVE ENG CORP LTD
Carrier rocket flight quality high efficiency simulation verification method
ActiveCN107132771AEnsure update consistencySave simulation test resourcesSimulator controlGuidance systemMathematical model
The invention discloses a carrier rocket flight quality high efficiency simulation verification method. The carrier rocket flight quality high efficiency simulation verification method comprises steps of designing a static state test, an open loop test and a closed loop test to carry out checking, verification and confirmation on a carrier rocket body model, adopting a standard script file to compile a deviation parameter of a guiding system and a deviation parameter of a attitude control system into multiple instance cases to realize a fact that various deviations are injected into a simplified mathematic model, connecting an airborne computer and a ground simulation system to form a closed loop, respectively operating flight control software and carrier rocket body model simulation software, performing a traverse test on the test case to determine a boundary test case, connecting main test units to form a closed loop to carry out a hardware in-loop simulation experiment. The carrier rocket flight quality high efficiency simulation verification method realizes synchronous checking on various indexes of the guiding system and the attitude control system is on a same platform through designing the guiding and altitude control synchronous simulation checking technology, saves simulation test resources, saves human resources and guarantees updating consistency between the simulation model and a software edition.
Owner:BEIJING LANDSPACETECH CO LTD
Method for carrying out integrated testing on intelligent driving vehicle
ActiveCN110794810AEnsure safetyGuaranteed reliabilityProgramme controlElectric testing/monitoringHardware implementationsTest scene
The invention discloses a method for carrying out integrated testing on an intelligent driving vehicle. The method comprises the following specific steps: (1) realizing a model in-loop simulation testunder a virtual test scene for an intelligent vehicle control strategy and algorithm; (2) realizing a software in-loop simulation test under a virtual test scene for a code generated or handwritten by the model; (3) downloading the model code to the target hardware to realize hardware in-loop simulation test under the virtual test scene; (4) mounting the controller on the intelligent vehicle to realize vehicle in-loop simulation test under the virtual test scene; and (5) mounting the controller on the intelligent vehicle to realize real vehicle test under a real scene, wherein the test scenein the step (1)-(4) is to reuse the same virtual test scene. According to the method, different simulation technologies based on the same test scene are shared in the project development process of asingle ECU of the intelligent vehicle, so that the function and performance of the controller are well verified, and the safety and reliability of the vehicle in the actual driving process are ensured.
Owner:安徽瑞泰智能装备有限公司
Automobile hardware-in-loop simulation system
InactiveCN104794258AImprove scalabilityImprove portabilitySpecial data processing applicationsHuman–machine interfaceComputer software
The invention discloses an automobile hardware-in-loop simulation system. The automobile hardware-in-loop simulation system is developed on the basis of two kinds of universal software platforms of N1 including LabVIEW and Veristand and divided into an upper computer and a lower computer on the whole, wherein the lower computer particularly comprises hardware of various types of hardware resources and driving program of the hardware and an important engine model which are required by tests to be used for simulating the working states of an engine; Vristand related lower computer software serves as a bridge between an interface of the engine model and the corresponding hardware resources to achieve mutual communication and connection between the two, and the Vristand related lower computer software serves as an interface in communication with the upper computer to transmit related information of the engine model and other hardware to the upper computer; the upper computer comprises a human-computer interface and a hardware resource output port, and the human-computer interface of the upper computer is compiled by the LabVIEW, the good openness, the universality and the portability are achieved, and the development of follow-up projects is facilitated.
Owner:UNITED AUTOMOTIVE ELECTRONICS SYST
Testing method for economic efficiency of fuel cell hybrid electric vehicle
The invention provides a testing method for economic efficiency of a fuel cell hybrid electric vehicle. The method comprises the following steps of performing hardware-in-loop simulation on a to-be-tested fuel cell hybrid electric vehicle to obtain fuel cell current data and storage battery energy consumption under a preset working condition; connecting fuel cell with an electronic load on a fuel cell testbed, and controlling the output current of the electronic load according to the current data to enable the intensity of the output current of the electronic load to be consistent with the current data; measuring the first hydrogen consumption of the fuel cell for supplying energy for the electronic load during testing; working out total hydrogen consumption according to the battery energy consumption and the first hydrogen consumption. Through the method provided by the invention, under the condition that the economic efficiency of the fuel cell hybrid electric vehicle needs to be repeatedly tested, multiple bench tests or road tests do not need to be conducted; the required current data can be acquired through the hardware-in-loop simulation; only the fuel cell needs to be tested, so that the testing process can be simple.
Owner:TSINGHUA UNIV
Hardware-in-loop simulation based wind power unit modeling method
InactiveCN105404720AGuaranteed real-timeGuarantee authenticitySpecial data processing applicationsElectricityReal-time simulation
The invention provides a hardware-in-loop simulation based wind power unit modeling method. The method comprises the following steps: establishing a pneumatic mechanical model of a wind power unit; establishing a power generator converter model of the wind power unit; and establishing an external power grid model. According to the hardware-in-loop simulation based wind power unit modeling method provided by the invention, the modeling of the pneumatic mechanical model of the wind power unit, the power generator converter model of the wind power unit and the external power grid model is finished, and a real-time simulation interactive technology is provided based on the models, so that the authenticity and timeliness of simulation of the whole wind power unit are ensured and the authenticity of a wind power unit control policy and running characteristics of parts is ensured; and a true power grid condition can be simulated in a lab environment to simulate true running characteristics of the wind power unit, and especially the completeness of a practical main control policy of the wind power unit can be tested.
Owner:CHINA ELECTRIC POWER RES INST +2
Wind turbine generator control system hardware in-loop simulation and test platform
The invention provides a wind turbine generator control system hardware in-loop simulation and test platform. The platform comprises a computer equipped with GH Bladed software, an RTDS, a communication PLC and a control system of a wind turbine generator, wherein a wind model of the wind turbine generator, a mechanical model and a pneumatic model are established in the GH Bladed software, an electrical model of the wind turbine generator is established in the RTDS, an electric power electronic switch model is employed to support current transformer controller hardware in-loop simulation, bidirectional real-time communication between the GH Bladed software and the RTDS is realized through the communication PLC, the control system of the wind turbine generator employs a control system configuration of an actual fan blower, is realized through employing a physical controller and comprises a main control PLC and a current transformer controller, a main control algorithm of the wind turbine generator is operated through the main control PLC, and same functions as an actual set main controller are performed; a current transformer control algorithm is operated through the current transformer controller, and pulse width modulation pulses of a current transformer and a protection circuit of the current transformer are outputted. The platform is advantaged in that the platform can be used for testing commercial main controllers and current transformer controllers.
Owner:SHANGHAI JIAO TONG UNIV
Method for establishing hardware-in-the-loop simulation platform of controller
InactiveCN109100954AImprove development efficiencyImprove verification efficiencySimulator controlElectronic controllerControl system
The invention belongs to the technical field of control system simulation, and discloses a method for establishing a hardware-in-the-loop simulation platform of a controller. The method comprises thefollowing steps that: firstly, pure digital simulation of a model is implemented in an upper computer, comprising a controlled system model, a sensor model and an actuator model; and then the controlled system model is downloaded to a real-time industrial personal computer by one-click download, wherein the industrial personal computer is connected to a real digital electronic controller through acommunication module, a signal conditioning module of an analog sensor model, and a load simulation module of a simulation actuator mechanism model to perform data interaction, thereby debugging andverifying the digital electronic controller according to state feedback parameters of the controlled system model. The method provided by the invention is applicable to the hardware-in-the-loop simulation experiment of various control systems, and is convenient to use and reusable. The model development and verification efficiency of the controlled system can be greatly improved, the project development cycle can be shortened, and the cost can be reduced through the use of one-click code generation, compilation, and download.
Owner:DALIAN UNIV OF TECH
HILS (hardware-in-the-loop simulation) test bed for electromechanical brake booster and testing method
ActiveCN107202685AAddress mechanical propertiesSolving Calibration ProblemsMachine part testingTotal factory controlReal-time simulationPersonal computer
Owner:JILIN UNIV
Hardware-in-the-loop simulator and hardware-in-the-loop simulating method
ActiveCN101598944AHigh simulationSimulator controlElectric testing/monitoringControl systemMovement control
The invention relates to a hardware-in-the-loop simulator and a hardware-in-the-loop simulating method. The hardware-in-the-loop simulator is connected with a driving device and is used for hardware-in-the-loop simulating a motor, a mechanical device and a transmission system connected with the motor. The hardware-in-the-loop simulating method comprises steps of obtaining motion signal and corresponding data measured by a sensor according to driving signal of the driving device, the model of the motor and the model of motion shaft of the motor through a motion simulating unit; and simulating output signal of the sensor through an output unit according to the data measured by the sensor, and feeding back the simulated output signal to the driving device. The hardware-in-the-loop simulator and implement way of the method can be adapted to signal simulation of different type of sensors and can conveniently simulate a motion control system using digital sensor, such as an encoder or an interferometer and the like as a feedback device.
Owner:SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD
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