356 results about "Driving simulator" patented technology

A method determines insurability of drivers. The method includes simulating a driving experience for a driver in an interactive driving simulator. Performance of the driver in the simulated driving experience is evaluated to generate a driving proficiency score for the driver. The method also includes evaluating insurability of the driver based on the driving proficiency score. A system also determines insurability of drivers.

In an interactive driving simulation apparatus for a two-wheeled vehicle, a real-time test drive performance by a student operator around a simulated driving route sequence is recorded. The recorded performance is later replayed for the benefit of the student, to provide real-world simulation, education, and performance evaluation. During the simulated driving, pre-recorded performance evaluation comments are selected and stored, corresponding to the student's specific performance at a traffic driving situation on the driving route sequence. Then, upon displaying of a replay screen image of the simulated driving on a display unit, when a particular traffic driving situation is arrived at, a simulated operating environment of the traffic driving situation and the selected performance evaluation comments are automatically superimposed and displayed together as a replay screen 154.

A driving simulator. The driving simulator may include a processor; a display connectable to the processor; a plurality of input devices, such as a steering wheel, a brake pedal, and an accelerator pedal, where each of the plurality of input devices is connectable to the processor; and a computer-readable medium. The computer-readable medium contains instructions for providing a plurality of simulated driving environments, allowing a user to select one of the plurality of simulated driving environments, allowing a user to provide environment settings, allowing a user to select a simulated vehicle to operate, activating hazards, generating a plurality of simulated vehicles, generating a profile for each of the plurality of simulated intelligent vehicles; randomly assigning spawn points to each of the plurality of simulated intelligent vehicles, displaying the simulated driving environment to a user and allowing the user to operate the simulated vehicle in the simulated driving environment using the plurality of input devices, recording the operation of the simulated vehicle through the simulated driving environment, and replaying the operation of the vehicle.

The invention belongs to an unmanned vehicle test and verification platform and a test method thereof in the field of unmanned vehicles. The platform comprises a driving simulation system, an experimental field, a network system, an upper level management center and an unmanned vehicle. The driving simulation system constructs a driving environment of a virtual vehicle according to the information collected in a natural scene; the traffic scene of the actual site of the experimental field coincides with the scene modeled by the driving simulation system; and the upper level management center is used for establishing a simulator driving environment, controlling the driving simulation system and processing data; the unmanned vehicle is a test vehicle and is automatically driven in the experimental field; and the driving information of the unmanned vehicle is transmitted to the upper level management center through a network system and then transmitted to the driving simulator of the driving simulation system. According to the invention, function verification and performance evaluation of the unmanned vehicle can be studied, and meanwhile, influences by the unmanned vehicle on an actual traffic flow can be studied and evaluated through the platform.

The present invention provides variable compliance joysticks with mechanical and software customization, and with an integrated control capability, and a method of systematically determining the best mechanical settings and compensatory algorithms to embed in the joysticks to offer an individual with substantial upper extremity motor impairments a personal fit and maximum function. The joysticks may include components for varying the compliance and dampening of the joystick shaft. The method may include providing the user access to operate the joysticks, operatively connecting the joysticks to a driving simulator, displaying an icon on the driving simulator, controlling movement of the icon by the joysticks, evaluating performance of the user based upon the user's ability to control movement of the icon, and modifying hardware settings and software algorithms for the joysticks based upon the evaluation.

The invention discloses an ACC (adaptive cruise control) system for a four-wheel hub motor electric vehicle, which comprises: taking the four-wheel hub motor electric vehicle as an object of study on ACC (adaptive cruise control), the invention provides a mode switching control method considering the difference between theoretic safe distance and actual distance and relative velocity of two vehicles. According to the method, ACC into a preceding vehicle following mode, a constant velocity cruise mode and a uniform velocity travelling mode; an ACC controller comprising a theoretic safe distance algorithm, a driving torque control algorithm and a braking torque control algorithm, is designed; braking energy is recycled through regenerative braking; a control strategy is verified experimentally based on typical working conditions designed by a driving simulator experiment table. The invention discloses an ACC method for a four-wheel hub motor electric vehicle. The system and the method have the characteristics of being high in operational security and stability, accurate in control, reasonable in torque distribution, and effective in energy-saving control.

The invention provides a driver behavior characteristic identification device. The device comprises a real vehicle driving simulator experimental platform and a driver behavior characteristic identification method. The real vehicle driving simulator experimental platform comprises a real vehicle driving simulator experimental platform body, an operation table, a vehicle dynamics simulation model, a real-time simulating system, a steering force sense simulating system and a sensor system. The driver behavior characteristic identification method comprises the steps of establishing and verifying a driver behavior characteristic identification model, and then conducting driver behavior characteristic identification by means of the established driver behavior characteristic identification model. By the adoption of the real vehicle driving simulator experimental platform, a test platform similar to a real vehicle is provided for a driver, so that a data sample is acquired and preparation is made for establishing the driver behavior characteristic identification model. The interactive interface between the driver and the vehicle is fully considered, the driver feels like driving a real vehicle through simulation of vision, auditory sense and tactile sense, and the effect is vivid.

The present invention provides variable compliance joysticks with mechanical and software customization, and with an integrated control capability, and a method of systematically determining the best mechanical settings and compensatory algorithms to embed in the joysticks to offer an individual with substantial upper extremity motor impairments a personal fit and maximum function. The joysticks may include components for varying the compliance and dampening of the joystick shaft. The method may include providing the user access to operate the joysticks, operatively connecting the joysticks to a driving simulator, displaying an icon on the driving simulator, controlling movement of the icon by the joysticks, evaluating performance of the user based upon the user's ability to control movement of the icon, and modifying hardware settings and software algorithms for the joysticks based upon the evaluation.

The invention designs a driving path planning method based on the state grid method. Firstly, according to the external environment information and the initial global reference trajectory of the self-driving vehicle, the vehicle motion state and the surrounding environment information of the vehicle are detected by the vehicle-mounted equipment, and the surrounding environment information of the vehicle is updated in real time. Then, the relevant indexes reflecting the driver's personalized trajectory are extracted through the driving simulator experiment, such as the driver's trajectory preview time, the lateral distance compensation value of the lane centerline and the minimum lateral distance value of the distance obstacle when the vehicle is traveling, and the path search strategy is determined according to the above related indexes. Finally, the preview point state of the local trajectory is determined and the local reference trajectory is generated based on the state grid method.The driving path planning method of the invention comprehensively considers the personalized differences of different drivers in the driving process, and the factors considered are more comprehensive, and can provide support for the personalized development of the automatic driving vehicle.

The portable simulation system is a computer-based driving simulator, which uses an actual drive-by-wire vehicle as an input device, and a portable display to present a simulated Virtual Driving Environment (VDE) to the driver. The vehicle remains immobile with engine switched off. Embedded vehicle sensors are being used as simulator controls connecting to a portable computer via OBD II or similar on-board interface. A portable computer runs simulation software or a computer game. Electronic suspension actuators, wherever available, may be used to improve simulation experience by providing a limited vehicle tilt motion. Certain on-board vehicle's computers, including computers for mapping, gaming or entertainment, may be used to run simulation software, thereby reducing the simulator to a software application. Described driving simulator does not require external power source and can be operated at any parking space using any drive-by wire vehicle, including driver's own vehicle.

The invention belongs to the technical field of automatic driving, particularly relates to a cloud-based auxiliary driving control system and method, and aims to solve the problem that one-to-many vehicle takeover control and scheduling cannot be realized when a driver operates a driving simulator to perform remote auxiliary driving control. The system comprises a cloud end arranged on a remote server and a vehicle end arranged on a controlled vehicle. The vehicle end is connected with the cloud end through a wireless communication link; the vehicle terminal is configured to obtain vehicle driving environment data and vehicle driving behavior data and send the vehicle driving environment data and the vehicle driving behavior data to the cloud terminal when switching to a remote control state based on the control state switching instruction, and obtain vehicle control data sent by the cloud terminal so as to control the vehicle; and the cloud terminal is configured to receive the vehicle driving environment data and the vehicle driving behavior data, acquire vehicle control data corresponding to the controlled vehicle based on a preset automatic driving control model, and send the vehicle control data to the corresponding vehicle terminal. According to the invention, one-to-many vehicle takeover control and scheduling are realized through the cloud.

The invention relates to a vehicle driving simulator-oriented virtual driving active safety early warning system and an early warning method. The system comprises a data acquisition module, a virtual driving module, an information perception module, a driving behavior analysis module and a driving safety early warning module, wherein the data acquisition module is connected with the virtual driving module; the virtual driving module comprises a virtual user vehicle and a virtual traffic scene; the virtual driving module is connected with the information perception module; the information perception module is connected with the driving behavior analysis module; the driving behavior analysis module combines key information of roads around the virtual user vehicle to carry out analysis on the current driving behavior of a user driver and judge whether an abnormal driving behavior or traffic danger occurs or not; and the driving behavior analysis module is connected with the driving safety early warning module. The virtual driving active safety early warning system and the early warning method of the invention are favorable for strengthening the safety awareness and capability of processing the traffic danger of the driver and are favorable for reducing and avoiding traffic accidents.

The invention discloses an interactive method of an automobile driving simulator and a virtual traffic environment simulation system. The interactive method adopts a high-efficiency algorithm and a data structure to realize real-time interaction of the automobile driving simulator and virtual traffic environment simulation software: the traffic environment simulation software conducts interactive traffic microscopic simulation calculation according to a self-state, a received state of the automobile driving simulator, and a traffic simulation model. The automobile driving simulator receives state information about traffic participating objects near the traffic environment simulation software in a traffic flow from the traffic environment simulation software and uses the information to accomplish collision detection calculation in a three-dimensional space and realize the interaction with the traffic flow simulated by the virtual traffic environment simulation software. According to the interactive method of the automobile driving simulator and the virtual traffic environment simulation system, with the adoption of a directed graph structure, quick traversal of road environmental data is realized; the efficiency of the simulation calculation is improved; simulation calculation results are vivid; and the interactive relation of the automobile driving simulator with the virtual traffic environment simulation system can be simulated well.

A simulator for inter-vehicle radio communication includes terrain and building data and can simulate the effects of buildings in terrain on radio propagation. The simulator also models other vehicles and the shadow effects of their presence. The system comprises a simulation engine, a network simulator, a driving simulator, a database and a user interface module adapted for communication. The simulation engine simulates the propagation of communication signals between vehicles including the effects of shadowing, and also receives data from the network simulator, the driving simulator and database to generate the propagation simulation. The simulation engine outputs the results of the propagation simulation to the user interface module which translates the information into various displays. The present invention is particularly advantageous because it provides a variety of different user interfaces to show the effective range / propagation of communication signals for different conditions including vehicle locations, terrain, vehicle movements, data traffic and networks configuration.

The invention relates to an automobile driver dangerous driving behavior correction and evaluation system. The system comprises a traffic accident deduction expert system, a driving simulator, a driver information collecting subsystem, and a driver behavior analysis and evaluation subsystem. The traffic accident deduction expert system is a driver behavior correction stimulus source, the driving simulator provides a needed simulating scene for driving simulation in a set mileage, the driver information collecting subsystem collects driver behavior information output by the driving simulator and transmits the information to the driver behavior analysis and evaluation subsystem, and the driver behavior analysis and evaluation subsystem analyzes and compares pre-stored standard index data and the driver behavior information and outputs a comparison result. According to the automobile driver dangerous driving behavior correction and evaluation system, driver behavior correction is achieved from internal essence in an accident information stimulus method, and the comparison result can be provided for a driver in the correction process as further correction evidence.

Depth-image analysis is performed with a device that analyzes a human target within an observed scene by capturing depth-images that include depth information from the observed scene. The human target is modeled with a virtual skeleton including a plurality of joints. The virtual skeleton is used as an input for controlling a driving simulation.

The invention relates to a new method and a system for predicting intersection vehicle collision risk based on vehicle and road synergy. The method and the system predict motion state parameters of adjacent vehicles which have travelling intention conflicts in adjacent area range, and through predicting whether a vehicle in neighbourhood would get into a conflict area of a tested vehicle, and closeness degree of the vehicle and the tested vehicle in the conflict area, the method and the system can determine current travelling safety state of the tested vehicle and predict conflict risk degreeof vehicles. The method and the system give full consideration to travelling intentions of drivers of adjacent vehicles and vehicle relative motion states, to predict relative motion trends of the adjacent vehicles. The method and the system improve accuracy of vehicle conflict risk identification under complex road traffic environment, and are easy to implement. The method is low in complexity, and can be widely used in driving simulator, vehicle collision risk early warning, and vehicle safety auxiliary driving system. The method and the system are used to evaluate and predict track crossingof moving vehicles and collision risk.

The invention aims to provide an interactive traffic simulation system with a distributed system structure, which is a novel traffic-driving hybrid simulation system. The core is that: a returning vehicle driving simulator for a person serves as a traffic participation entity and is introduced into the traffic simulation system. The vehicle driving simulator serving as the traffic participation entity controlled by a user driving behavior and a virtual traffic participation entity generated in the traffic simulation system interact and participate traffic simulation calculation together so as to realize cooperative simulation of a plurality of vehicle driving simulators and a plurality of traffic environment simulation servers in the same virtual traffic environment. The invention has the characteristics that: the traffic simulation system has a flexible structure, is convenient to expand, supports man-machine interaction and is high in simulation confidence, and the like; and the system can be used in the fields of traffic simulation and driving simulation and can provide a novel platform for research and application in the fields of driving behaviors, driving psychology, traffic safety, intelligent transportation, road and bridge design and the like.

The invention relates to an object recognition system on the basis of the virtual reality, wherein, the object is stared by a driver. The invention comprises an eye tractor (1) and an automobile driving simulation system, wherein, the automobile driving simulation system comprises an automobile driving simulator (5), a display screen (2) and a simulation system computer (3), wherein an output terminal of the eye tractor (1) is connected with the simulation system computer (3) which comprises a driving simulation program module, a scene manager, a scene staring object positioning ray calculation module, an intersectant vision object calculation module, an intersectant vision object recognition module and a fixation point screen coordinate calculation module; the scene manager comprises world coordinates of each object in the scene and the category information. The object recognition system combines the virtual reality technique and identifies the types of staring objects on the basis of tracking and obtaining the fixation point coordinates of the driver; the test efficiency is high, the cost is low, and the statistic of the test result is easily realized, thereby contributing to the scientific research.

A method of creating a secure intellectual property (IP) representation of a circuit design for use with a software-based simulator can include translating a hardware description language representation of the circuit design into an encrypted intermediate form and compiling the intermediate form of the circuit design to produce encrypted object code. The method further can include linking the encrypted object code with a simulation kernel library thereby creating the secure IP representation of the circuit design. The secure IP can include an encrypted simulation model of the circuit design and a simulation kernel configured to execute the encrypted simulation model.

The invention discloses an automatic driving test vehicle and a remote control system and method thereof. The automatic driving test vehicle comprises a housing, a power chassis connected to the bottom of the housing, and vehicle environment sensing equipment, wherein the vehicle environment sensing equipment comprises a positioning device, a video acquisition device, an environment sensing device, a bus controller and a vehicle processor; the system comprises the automatic driving test vehicle, a communication base station, a remote control center and a driving simulator; the remote control center receives the running data of the test vehicle, the relative position information of the test vehicle and the vehicle under test, and the running status data of the vehicle under test, performs multifaceted fusion and targeted processing on the received data to achieve the monitoring that whether the running data of the test vehicle is normal, receives the status data that the user manually operates the driving simulator uploaded by the driving simulator or receives the driving track data input by the user, analyzes the data to generate a control instruction, and sends the control instruction to the automatic test vehicle through via the communication base station.

The invention relates to a vehicle driving simulator, in particular to a vehicle driving simulator which simulates an operation effect and comprises an A sensor, a B sensor, a C sensor, a D sensor, an E sensor, an A data collecting card and an A data control card, wherein the A sensor is installed on a vehicle braking device, the B sensor is installed on a clutch, the C sensor is installed on a gear, the D sensor is installed on an accelerator, the E sensor is installed on a steering wheel bearing, the vehicle simulated operation action collected by the A data collecting card through the sensors is transmitted to the A data control card, the A data control card processes a signal and sends out a corresponding data signal to a computer, and then the computer immediately sends out a video frequency and an audio frequency with the corresponding effect. The invention has the advantages that the vehicle driving simulator can comprehensively simulate the driving of a real vehicle in multiple different angles, thereby not only achieving different driving feelings of multiple roads, but also achieving a comprehensive feel on operation.

The driving simulator of the prior art has a problem that its turning angle is so limited of itself that it cannot simulate the state of the case, in which the vehicle slips or turns sideways.Provided is a driving simulator comprising a stationary bed, a transverse translation bed placed transversely movably on the stationary bed, a yaw bed placed turnably on the stationary bed (1), and a roll bed borne in a rolling manner at its front and back on the yaw bed. Thus, the driving simulator can control the turning angle of the vehicle body largely, so that it can reproduce the phenomenon at the time when the vehicle body spins.

The invention relates to the mechanical field, and provides an analogue driving examination system. The system comprises an automobile driving simulator. The automobile driving simulator is in connection with a virtual reality helmet, and comprises a computer host which is in connection with a wireless communication module, wherein the virtual reality helmet comprises a signal processing module and a display device which are in connection; the signal processing module is in connection with a wireless transmit-receive module matching the wireless communication module. The system combines the virtual reality helmet and the automobile driving simulator, and provides lifelike feeling for students.

The invention discloses a vehicle queue simulation system and method based on virtual reality and a driving simulator. The simulation system includes a driving simulation system, a virtual reality display system, a simulation system client, and a simulation system server. The driving simulation system realizes the operation of the leader vehicle in a vehicle queue in a virtual simulation environment controlled by a human driver. The virtual reality display system feeds back the operation states of the vehicle queue in a visual virtual simulation environment and the virtual simulation environment and the operation state of each vehicle in the vehicle queues to the human driver and an observer of the simulation process. The simulation system client provides a human-computer interaction interface of the simulation server, and the simulation system server provides a software platform for the virtual simulation environment construction and the vehicle queue simulation. The system can solveproblems that a conventional simulation system and method is low in fidelity of simulation environments and is small in number of operation states of the vehicle queues, and improves the simulation reality, flexibility and observation performance of the vehicle queues.

The invention discloses a rail transit multi-work type united practice simulated training system. The rail transit multi-work type united practice simulated training system mainly comprises a dispatching command simulated training system, a station work simulated training system and a train driving simulator. The rail transit multi-work type united practice simulated training system can simulate and unite a plurality of links in the rail transit operating process so as to realize multi-work type united practice simulated training, and has characteristics and functions which a single work type simulated training system does not have.

The invention relates to a driving simulator with a stereoscopic vision follow-up function. The driving simulator comprises a computer, a simulated driving platform, a projector and a vision follow-up device, wherein the computer is provided with driving simulation software, an output signal of the simulated driving platform is input to the computer, the vision follow-up device comprises a sight monitoring device, a rotating holder and a stepping motor which is used for driving the rotating holder to rotate, the sight monitoring device comprises a rotating-angle sensor which is used for monitoring the head rotation of a driver, an output signal of the sight monitoring device is input to the computer, the projector is arranged on the rotating holder, the stepping motor is controlled by the computer, and the output signal of the sight monitoring device can be used for changing an angle between a virtual camera and a virtual vehicle through the computer. According to the driving simulator disclosed by the invention, stereoscopic vision is supplied for the driver in the driving simulator, and the stereoscopic vision is not in distortion.

The invention provides an electronic control system and an electronic control method for an online interactive automobile driving simulator, which belong to the field of automobile driving simulators. The electronic control system for the online interactive automobile driving simulator comprises a central control unit, wherein the central control unit is used for converting actuating signals, acquired by a sensor, of the automobile driving simulator into data, and transmitting the data to a computer. The embodiment of the invention provides advantageous support for network online interactive automobile driving training. The technical scheme provided by the invention is applied to the interactive automobile driving simulators, non-interactive automobile driving simulators, portable interactive automobile driving simulators and racing wheel simulators.

Various approaches for embedding a hardware object in an event-driven simulator are disclosed. The various approaches involve generating an HDL proxy component having an HDL definition of each port of the hardware object and respective event handler functions associated with input ports of the HDL proxy component. The event handler functions are responsive to simulation events appearing on the input ports. A configuration bitstream is generated for implementing the hardware object on a programmable logic circuit, and a first object is generated to contain configuration parameter values indicating characteristics of the ports and a location of the configuration bitstream. A second object is generated and is configured to initiate configuration of the programmable logic circuit with the configuration bitstream. The second object further provides input data to and receives output data from the programmable logic circuit.

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.