Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

1074 results about "Simulation control" patented technology

Battery management system performance test platform and testing method based on semi-physical simulation

The invention relates to a battery management system performance test platform and a testing method based on semi-physical simulation and belongs to the field of systems. According to the battery management system performance test platform and the testing method based on semi-physical simulation, the problems existing in the aspects of effectiveness, practicality, accuracy, generality and comprehensiveness of an existing battery management system testing device and method are solved. A BMS to be tested and a simulation control and emulating unit of the test platform are connected with a CAN bus. A signal output end of an insulation resistance testing device, a signal output end of an insulation voltage resistant testing device, a signal output end of a 24-channel single-body voltage simulator, a signal output end of a high-voltage source, a signal output end of a current source and current reversing module, a signal output end of a high-accuracy temperature environment box, a signal output end of an insulation resistance simulator and a signal output end of a direct current power source are respectively connected with corresponding signal input ends of the BMS to be tested. The BMS to be tested is arranged in a high-low-temperature operational testing box. The testing method comprises the steps of safety testing and the comprehensive testing of state parameter measuring accuracy, SOC estimating accuracy, a battery fault diagnostic function, a heat management function and environment adapting performance and is used for testing the battery management system.
Owner:HARBIN INST OF TECH +1

Space microgravity environment ground simulation experiment device

The invention relates to a space microgravity environment ground simulation experiment device. The device comprises a foundation, two support posts, a transverse air floating guide rail, a longitudinal air floating guide rail, a slide trolley and a weightless simulation control system. Two support posts are respectively mounted on the foundation horizontally, the transverse air floating guide rail is mounted on the two support posts, the longitudinal air floating guide rail is mounted on the transverse air floating guide rail, the slide trolley is mounted on the longitudinal air floating guide rail, weightless simulation control system is mounted on the slide trolley, and a controller is mounted on the slide trolley. The weightless simulation control system comprises a servo motor, a coiling wheel, a hang spring, a force sensor and an aircraft, the servo motor is connected with the coiling wheel, the coiling wheel is connected with the hang spring, the hang spring is connected with the force sensor, the force sensor is connected with the aircraft, and the controller is respectively connected with the force sensor and the servo motor in an electrical signal manner. The device is simple in structure, high in vividness, convenient to operate, easy to achieve, low in cost, and unlimited in experiment time.
Owner:HARBIN INST OF TECH

Remote vehicle driving control device

The invention discloses a remote vehicle driving control device which comprises a driving operation unit and a remote console. The driving operation unit comprises an execution mechanism and an execution control unit, wherein the execution control unit is used for controlling the execution mechanism installed in the controlled vehicle, and operating the vehicle through the execution unit. The controlled vehicle acquires the front video and position information during running; the execution control unit sends the information to the remote console; an operator can operate a driving simulation operation mechanism according to the video and position information; the operation information of the driving simulation operation mechanism is acquired by the acquisition unit and sent to the execution control unit by a simulation control unit; and the execution control unit controls the execution mechanism to perform corresponding operation on the controlled vehicle so as to realize remote control on the vehicle driving. According to the invention, a driver does not need to directly drive the vehicle in the cab, and the controlled vehicle can finish task in dangerous environment, thereby effectively guaranteeing the driver safety, improving the working efficiency and reducing the working strength.
Owner:北京踏歌智行科技有限公司

Optimization method of intersection dynamic comprehensive evaluation and signal control system based on real-time simulation model

The invention discloses an optimization method of an intersection dynamic comprehensive evaluation and signal control system based on a real-time simulation model. Statistical analysis is performed on an intersection vehicle arrival time distribution law and a saturation time headway distribution law, simulation control is performed on vehicles monitored in real time, analytical calculation of traffic flow parameters of an intersection such as mean queue length, queue time and travel vehicle speed, and characteristics such as vehicle exhaust, oil consumption and noise, and acquired information is shared and an optimized signal control scheme is implemented by a third party control platform. The method has the advantages that a real-time data acquisition function is realized by test coils embedded in interfaces at the near end and the far end of an intersection entrance road; the simulation model adopts vehicle arrival and green light termination as triggering conditions of starting a simulation system traffic flow parameter configuration; a saturation time headway is adopted as a time series distribution basis of vehicle leaving; simulation car following and lane changing behaviors are realized by a series of algorithms; and a traffic simulation function has timeliness, accuracy and rapid response.
Owner:上海济安交通工程咨询有限公司

Temperature cascade PID (Proportion Integration Differentiation) control system of high-temperature high-pressure testing device and control method thereof

The invention relates to a temperature cascade PID (Proportion Integration Differentiation) control system of a high-temperature high-pressure testing device and a control method thereof. A high-temperature autoclave for test is used for simulating the temperature, the pressure and other parameters of a stratum environment and carrying out detection test on performances of an instrument working in an environment similar to the stratum environment. The temperature cascade PID control system comprises a hot air mixed heating module, a heating power supply module, a fan circulating module and a temperature measurement and control module; a heating area of the hot air mixed heating module is divided into three temperature measurement areas, i.e. a target temperature measurement area, a safetytemperature measurement area and a hearth temperature measurement area; the target temperature of which an output signal is transmitted to an inner ring auxiliary control PID control circuit after operated and processed through an outer ring main control PID control circuit is compared with a safety temperature for operation processing, and the output signal is amended by a temperature control coefficient and converted into a simulation control signal which is output to a power adjusting device for adjusting the output power of the heating power supply. Three temperature control areas in the invention realize the accurate control on the test temperature in the autoclave by using a cascade control method according to the requirement of a process curve of raising, preserving and reducing the temperature.
Owner:XIAN ELECTRIC FURNACE INST

Method and system for preventing an aircraft from penetrating into a dangerous trailing vortex area of a vortex generator

ActiveUS20060244637A1Flexibility of implementationLower the volumeNavigation instrumentsAlarmsFlight vehicleDisplay device
The invention relates to methods and devices for aircraft's safe operation and is embodied in the form of a method and system for informing a user, for example an aircraft crew and/or a flight controller, on the probable penetration of the aircraft into dangerous areas of the vortex shedding of vortex generators which are located near the aircraft at a forecast time when the aircraft passes through a simulated control plane situated at a preventive distance in the direction of motion of the aircraft, said distance being calculated on a basis of a sufficient forecast period so that the aircraft carries out a flight evasive manoeuvre. The preventive system defines the trajectory and intensity of the vortex shedding of the vortex generators, the co-ordinates of intersecting points of the vortex sheddings with a control plane, the geometric parameters of the dangerous areas thereof (26, 27) according to danger criteria specified by a user, forms a warning area (28) in said control plane, an area of the forecast positions of the aircraft (25) and dangerous vortex shedding areas (26, 27) at a forecast time, follows up the events of crossing the warning area (28) and/or the area of the aircraft forecast positions (25) associated with the dangerous vortex shedding areas (26, 27) and draws attention of the user to said event with the aid of display devices (16, 17) and a visualisation device (18).
Owner:SPETABTEKHNIKA +1

Simulation test system and simulation test device of train network control software

The invention provides a simulation test system and a simulation test device of train network control software. The simulation test device comprises a man-machine interaction unit, a controlled plant creating unit, a vehicle-mounted electrical connection creating unit, a simulation interface creating unit and a simulation control unit, and the simulation test system of the train network control software comprises at least one group of pull-in control unit test systems; each pull-in control unit test system comprises the simulation test device and at least one set of network control system core equipment which comprises a central control unit, the central control unit is switched into a vehicle bus and a train bus, and the simulation test device is switched into the vehicle bus; and the central control unit is electrically connected with a hard wire of the simulation test device, and the simulation test devices in two or more than two pull-in control unit test systems are connected through an Ethernet. The simulation test system and the simulation test device provided by the invention can directly service development and test of the train network control system software, and can quickly construct an experimental model, shorten development cycle, and reduce economic cost.
Owner:CHINA RAILWAYS CORPORATION +2

Humanoid hand control system based on data glove

InactiveCN105818129ASolve the problem that the control effect is not intuitiveProper and reasonable operating controlsManipulatorTime delaysReal-time simulation
The invention discloses a humanoid hand control system based on a data glove. The humanoid hand control system comprises an operation control layer, a data processing layer, an interface layer and an equipment layer. The operation control layer is mainly responsible for setting different control ways comprising real-time simulation control and on-line control. The data processing layer is mainly responsible for analyzing and processing the collected data, correcting and analyzing the data collected from the data glove and mapping the analyzed finger joint angle information into joint angles of a simulation virtual hand and a humanoid hand according to the rules. The interface layer is mainly responsible for collecting data from the data glove and driving the simulation virtual hand and the humanoid hand. The equipment layer comprises data glove equipment, a simulation platform of the simulation virtual hand and the humanoid hand. The control effect on the humanoid hand can be displayed in time by means of the simulation virtual hand, the problem that control is not visual due to movement time delay when the humanoid hand is controlled online is solved, the control way is made natural and visual, and accurate control over the humanoid hand can be achieved.
Owner:SOUTH CHINA UNIV OF TECH

Multi-domain collaborative distribution type simulation system

The invention provides a multi-domain collaborative distribution type simulation system comprising a main control module, a data service module and a model interface module. The main control module is used for loading description documents of a preset model to obtain corresponding model information, setting clock fundamental frequency according to the model information, issuing the clock fundamental frequency and simulation control demands, arranging data transmission channels between the models in the data service module according to the model information, and defining data update periods of data channels. The data service module is used for establishing a data link which has an independent data transmission period, and providing the data channels for collaborative distribution type simulation data. The model interface module is used for establishing a connection relationship and schedule management of the main control module and a simulation sub-engine, and sending the clock fundamental frequency and the simulation control demands to the simulation sub-engine to complete calculation of the corresponding models. The multi-domain collaborative distribution type simulation system supports derivation of all simulation soft wares, and has the advantages of being high in calculation precision of collaborative simulation and high in calculation efficiency, and collaborative simulation is not prone to be caused.
Owner:北京华力创通科技股份有限公司

Surgical navigation simulation method based on electromagnetic positioning technology and intraoperative image guidance

The invention relates to a surgical navigation simulation method based on an electromagnetic positioning technology and intraoperative image guidance. The surgical navigation simulation method comprises the steps that 1, a preoperatively shot CT image of a patient is obtained; 2, the preoperatively shot CT image of the patient is reconstructed into a three-dimensional CT model; 3, registration andvisualization of surgical instruments are achieved; 4, the electromagnetic positioning technology is utilized to achieve real-time tracing of the surgical instruments under an image coordinate system; 5, an ultrasonic probe is calibrated, an ultrasonic image is obtained during operation in real time, and preliminary fusion between the three-dimensional CT model and the ultrasonic image is achieved; 6, by utilizing grey information and characteristic information of the ultrasonic image and adopting a mutual information method and an automatic SIFT characteristic extraction method, real-time registering of the preoperative three-dimensional CT model and the intraoperative ultrasonic image in the surgical process is performed; 7, simulation control of surgical robot movements is achieved. Compared with the prior art, the surgical navigation simulation method has the advantages of high navigation precision, low calculation complexity, good stability and reliability, convenient achievement, low cost, good clinic applicability and the like.
Owner:SHANGHAI JIAO TONG UNIV

Test platform and method for synchronous control over multiple mechanical arms

The invention provides a test platform and method for synchronous control over multiple mechanical arms, and belongs to the technical field of synchronous control simulation. The test platform is characterized by comprising simulation control units and execution units. The simulation control units include an upper computer, a DSPACE platform and an ARM platform, wherein the upper computer, the DSPACE platform and the ARM platform are connected in sequence, and the ARM platform is connected with one or more distributed synchronous controllers and the upper computer at the same time. The execution units are mechanical arm execution units which correspond to the synchronous controllers and are connected with the ARM platform. The test method comprises the following steps of modeling the mechanical arms, simulating a kinetic model of the mechanical arms, converting and issuing a synchronous control code, dispatching the ARM platform, executing the synchronous controllers, moving the mechanical arms, and finishing a simulation test. The test platform and method for synchronous control over the multiple mechanical arms have the advantages of being high in universality and openness and capable of providing a testing environment for most nonlinear complex network control algorithms.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products