329 results about "Race track" patented technology

A novel, AI based monitoring system and method for race tracks such as race tracks used for professional and amateur car racing enables automatic detection of and reaction to critical situations along the race track, including a deviation of a vehicle from the race track and / or collision with a guide plank, a loss of oil, a person or other object on the race track or the like, rule based definition and association of the automatic detection and / or automatic reactions, tracking of vehicles along the race track, including storage of the driven track, automatic mapping of detected critical situations to one or more tracked vehicles involved in the critical situation, and / or automatic generation and cutting of video footage for a tracked vehicle.

A vehicle acceleration control method, includes: obtaining a change rate of an accelerator pedal opening degree of an accelerator pedal and a remaining energy value of a vehicle in a racetrack mode; determining a target torque compensation value based on the change rate of the accelerator pedal opening degree and the remaining energy value of the vehicle; and controlling the vehicle to accelerate based on a sum of the target torque compensation value and a maximum output torque value.

The invention relates to a track guide reinforcement learning method for an automatic driving racing car, and the method comprises the steps: simulating a racing track environment, and determining a motion model for describing the dynamic behaviors of an intelligent agent; setting an action space and a state space of the intelligent agent; establishing a trajectory-guided reinforcement learning architecture by using a TD3 algorithm, wherein the trajectory-guided reinforcement learning architecture has an evaluation network and an execution network; the uncertainty of the friction coefficient is introduced into the trajectory-guided reinforcement learning architecture to perform cyclic training on the trajectory-guided reinforcement learning architecture, so that the intelligent agent gradually learns how to track the trajectory through interaction with the environment and adapts to different friction coefficient conditions; and optimizing parameters of the evaluation network and the execution network of the trajectory-guided reinforcement learning architecture.

A computer system is provided that enables players to play an online multiplayer game. When collisions are detected in the game, energy objects are created. These objects may be acquired by players during the game to increase a special ability meter. Activation of the special ability meter allows players to be provided with one or more benefits during the multiplayer video game. In some examples, the benefit may include moving a player object to a second track within the multiplayer racing game.

The invention relates to the technical field of competition data processing, in particular to a marathon competition data processing system and method based on big data, in the marathon competition data processing system and method based on big data, physical consumption and health risks of athletes are comprehensively evaluated by combining environmental factors, the body loads of the athletes can be comprehensively known, and the health of the athletes is improved. Therefore, possible risks in the match can be more effectively judged, decision support is provided, match track resources are dynamically adjusted by combining a health risk assessment result and match track condition analysis, state changes of athletes are analyzed by adopting an isolated forest algorithm, match resource allocation is dynamically adjusted, and match resource scheduling is more scientific and real-time. According to the method and the system, the running flexibility and the coping capacity of the competition are enhanced, the load and resource requirements of different competition segments can be accurately predicted through the real-time health data and the time sequence analysis of the long-short-term memory network, the competition resource allocation is more reasonable and scientific, excessive or insufficient allocation of the resources is avoided, and the accuracy and the real-time performance of the competition resource scheduling are improved.

The electromagnetic active suspension is used for being connected between a vehicle body and wheels of a motor vehicle and is characterized in that the electromagnetic active suspension comprises an electromagnetic actuator and a magnetorheological damper, the electromagnetic actuator is a linear motor, and the linear motor comprises a permanent magnet cylinder, a primary winding and a bearing connected with the permanent magnet cylinder and the primary winding; the magneto-rheological damper and the linear motor are integrated in the same suspension assembly, the electromagnetic actuator and the magneto-rheological damper are integrated in the same suspension assembly, the integration level of the electromagnetic active suspension is greatly improved, the linear motor is adopted as a main power source, and structure compactness and function collaboration are achieved. The direct driving mode of the linear motor abandons a complex pipeline of a traditional hydraulic system, mechanical inertia is reduced, and the response frequency is greatly improved and far exceeds the upper limit of a hydraulic suspension. The invention further discloses a vehicle which adopts the electromagnetic active suspension, the adaptability of the vehicle under extreme working conditions such as cross-country and racing tracks can be improved, and the optimal balance between control and comfort is achieved.

A track system for traction of an off-road vehicle such as a snowmobile or an all-terrain vehicle (ATV). The track system comprises a track-engaging assembly and a track disposed around the track-engaging assembly. The track system may be configured to have a reduced noise profile so as to generate less noise, enhanced track rigidity characteristics to improve its traction and floatation, and / or other features improving use and performance of the off-road vehicle.

An example of a game system executes a racing game where a plurality of movement objects are moved in a course in a virtual space. The course includes a branch portion branching into a plurality of branch destinations, and the plurality of movement objects pass through the branch portion multiple times in progressing through the course. In the branch portion, a branch destination that a movement object is allowed to enter or a branch destination that the movement object is restricted from entering is switched in accordance with a degree of progress of the movement object in the racing game.

A method of utilizing vehicle telematics to create a vehicle wagering network by connecting vehicles to mapping and traffic data. Connected vehicles transmitting real-time telemetric data form the basis for wagers.

A method is disclosed. The method includes moving a vehicle having a plurality of wheels along a track, receiving a marker data or a marker signal from a marker at a location of the track using a reader of the vehicle, controlling a first rotational speed of a first wheel of the plurality of wheels at the location of the track based on the marker data or the marker signal, and controlling a second rotational speed of a second wheel of the plurality of wheels at the location of the track, independently of the first rotational speed, based on the marker data or the marker signal. The first rotational speed is different from the second rotational speed.

The invention, which relates to the technical field of unmanned driving, discloses an unmanned driving control system comprising the following components: an environment sensing layer, a positioning mapping layer, a path planning layer, a decision control layer and a bottom execution layer. According to the invention, the improved YOLOv7-tiny target detection algorithm and the DeepSort target tracking algorithm are adopted, and laser radar point cloud processing is combined, so that accurate identification and tracking of track markers such as cone buckets are realized, the real-time performance and accuracy of target detection are improved, the robustness of environmental perception is further enhanced through a data fusion technology, and the method has the advantages of being high in practicability and easy to popularize. Meanwhile, on the path planning and decision control level, a graph search tree and a B spline curve are used for optimizing the path, and a Stanley / MPC hybrid transverse control algorithm is combined, so that the racing car can still keep stable driving track and speed in high-speed driving and complex racing track environments, and the stability and accuracy of an unmanned driving system are remarkably improved.

The invention provides an intelligent decision algorithm evaluation method based on grading evaluation, which comprises the following steps of: constructing a test scene of an intelligent decision algorithm, representing the test scene by adopting scene key representation elements, and extracting test factors under each scene key representation element; an evaluation track is formed based on the requirement for intelligent decision algorithm capability evaluation; according to the evaluation racing tracks of the intelligent decision algorithm, key influence factors of all the evaluation racing tracks are screened in the test factors, and a racing track factor pool of all the evaluation racing tracks is formed; correspondingly setting an initial level of a key influence factor in the track factor pool as a reference value according to the lowest requirement on the capability of the intelligent decision algorithm to be tested, and configuring a test scene according to the set key influence factor to form a reference test scene; and evaluating the grade of the intelligent decision algorithm in a test scene iterative optimization mode. The problem that the capability level of the intelligent decision algorithm cannot be comprehensively and accurately measured in the prior art is solved.

The invention relates to a method for providing a virtual race engineer for a motor vehicle on a race track by means of a control unit comprising at least the following components: a communication unit; a detection unit; a processing unit; and a sound unit, wherein the method comprises at least the following steps: a. Determining whether the motor vehicle is located on a race track; b. Receiving environmental data of the race track by means of the communication unit; c. Acquiring vehicle data by means of the detection unit; d. Determining an information text based on the environmental data received in step b. and the vehicle data acquired in step c. by means of the processing unit; and e. Outputting the information text determined in step d. by means of the sound unit.It is a method for providing a virtual race engineer to a driver of a motor vehicle on a race track, which enables a safe, distraction-free drive.

An automotive competition method for having at least a first real road vehicle and a second virtual road vehicle race with each other; the method comprises the steps of: defining a virtual space, comprising a virtual track, on which a virtual projection of the first road vehicle and the second road vehicle race together; moving the virtual projection of the first road vehicle in the virtual space according to actions imparted by a driver to the first road vehicle; transmitting to the driver data related to the movement of the second road vehicle in the virtual space by means of an interface device indicating at least the position on the virtual track of the second road vehicle with respect to the position of the projection of the first road vehicle on the virtual track.

The invention relates to a method for improving the performance of a racing driver on a race track, comprising the following steps: - generating a training data set (350), wherein the training data set (350) comprises features (370) extracted and classified from historical sensor data (340) at least of brain activities of a plurality of racing drivers; - training an AI model (470) with the training data set (350), wherein the AI ​​model (470) learns the features (375) typical for the respective route sections through the training; - measuring sensor data (250) of at least the brain activity of a specific racing driver while driving on the race track with the sensors of the sensor device (200); - extracting and classifying features (450) from the sensor data (250), wherein the features (450) represent at least activities of visual, auditory and / or emotional areas of the brain of the particular racer; - Transferring the extracted features (450) to the trained AI model (470); - comparing the extracted features (450) with the learned features (375) of the respective route sections; - generating at least one recommendation (490) by the AI ​​model (470); - Output the recommendation (490) as output data (550).

The invention provides a driving simulation training system for electric motorcycle racing, and the system comprises a feature extraction module which is used for carrying out the feature extraction of standardized motion capture image data, and obtaining a joint motion matching point; the preprocessing module is used for preprocessing the joint action matching points to obtain preprocessed joint action matching points; the joint matching module is used for matching the preprocessed joint action matching points with joint points on a preset driver model to obtain a driver virtual character model; and the simulation training module is used for training in the constructed simulation racing track by using the driver virtual character model. By matching the joint action matching points with the joint points on the preset driver model, the driver virtual character model conforming to the user characteristics can be generated, so that the user can practice and improve the driving skill in a risk-free virtual environment, and accidents and injuries possibly occurring on a real racing track are avoided.

The present invention relates to a method and system for mixed-reality race game. The method comprises receiving telemetry data from the real-world racer moving on the real-world racetrack, and associating telemetry data of the real-world racer with the virtual racer model and receiving control data from a user device, and associating the control data with the controllable virtual racer. The method further comprises calculating position and speed of the virtual racer model in a virtual racetrack based on the telemetry data associated with the virtual racer model, and calculating position and speed of the controllable virtual racer in the virtual racetrack based on the control data associated with the controllable virtual racer.

The invention relates to the technical field of obstacle avoidance path planning, and discloses an intelligent sports vehicle dynamic obstacle avoidance path continuous planning method comprising the following steps: S1, obtaining a racing track pre-stored map, and constructing a racing track reference coordinate system; relates to the technical field of obstacle avoidance path planning, and the method comprises the steps: predicting the probability distribution of the future position of an obstacle through employing a recursive Bayesian filtering algorithm based on the historical observation data of the obstacle, carrying out the modeling through multivariate normal distribution, converting the modeling into a geometric confidence region, and forming a confidence occupancy set covering the uncertainty of the obstacle; a space-time safety channel is generated through set operation by combining the intelligent vehicle appearance envelope sequence and the racing track boundary; the method does not need to depend on a single prediction track, and by depicting the uncertainty of obstacle movement, even if the actual position of the obstacle deviates from prediction, the intelligent vehicle can still run in the safety channel, so that the problems of planning failure and conflict between the vehicle and the obstacle caused by deterministic prediction of the actual position of the obstacle in the prior art are effectively relieved.

The invention relates to the field of lubricating oil, and discloses a brake fluid composition as well as a preparation method and application thereof, the brake fluid composition comprises boric acid ester, polyol ether, an antioxidant, a corrosion inhibitor, a metal deactivator and a pH regulator; the mass ratio of the boric acid ester to the polyalcohol ether to the antioxidant to the corrosion inhibitor to the metal deactivator to the pH regulator is (30 to 90) to (4 to 60) to (0.05 to 3.5) to (0.05 to 2.5) to (0.05 to 1) to (0.2 to 5). The brake fluid composition disclosed by the invention has excellent high-temperature performance, lubricating performance, low-temperature performance, viscosity-temperature performance, corrosion resistance and rubber matching performance, provides good functions of energy transfer, lubrication, sealing, corrosion and rust prevention and heat dissipation for an overrun brake system, and meets the use requirements of a racing track vehicle brake system under severe conditions; and a guarantee is provided for reliable operation of a braking system.

The invention provides a design method and system of a sports event track. The method comprises the following steps: determining that any target bicycle runs in a racing track field, and performing video monitoring on the target bicycle to obtain a real-time running state; the real-time driving state of the target bicycle is converted from a normal state to a collision state, and the initial state position of the target bicycle at the corresponding state conversion moment is determined; controlling the unmanned aerial vehicle to fly to the initial state position to perform data acquisition on the collision acquisition area to obtain collision form data; calling reference site data, and performing data comparison on reference form data obtained based on the reference site data and the collision form data to obtain a form comparison value; calling a historical collision record to determine the collision frequency of the corresponding collision acquisition area, and determining a collision high-frequency value based on the collision frequency; and performing data fusion on the form contrast value and the collision high-frequency value to obtain a region correction value, and determining the region attribute of the collision acquisition region. According to the invention, the monitoring efficiency of the racing track field is at least improved.

The invention provides a game track processing method and device, electronic equipment and a storage medium, and relates to the technical field of games. The method comprises the following steps: in response to a determination operation of a target sub-track in a track map, obtaining related track information of the target sub-track; according to the related racing track information, displaying a control identifier at a specified position of the target sub-racing track; and in response to a touch operation of the control identifier, determining a to-be-edited racing track from each sub-racing track according to the starting position information and the ending position information of the touch operation, and performing batch editing on the to-be-edited racing track. According to the method, the user can input the touch operation through the racing track multi-selection handle so as to conveniently perform racing track multi-selection, and the racing track multi-selection efficiency and the operation convenience are improved. Besides, on the basis of a provided track batch editing function, the selected to-be-edited tracks can be subjected to unified batch editing, so that the track editing efficiency is greatly improved, and the problem that the operation is tedious when track editing is performed one by one is solved.

The invention relates to a vehicle state detection method and device, a vehicle and a storage medium, and relates to the technical field of intelligent cabins, and the method comprises the steps that in response to a target driving mode selection operation, a target racing track is determined; in response to driving of the vehicle in the target driving mode, state detection information of the vehicle is sent in real time; wherein the state detection information is used for identifying whether the vehicle leaves the target racing track. The method can inform the user whether the vehicle is separated from the target racing track or not in real time, is higher in real-time performance, does not need an external device of a racing yard to shoot and recognize, and improves the recognition efficiency.

A system and method of generating a virtual race course including a starting line and a finish line for vehicles located within a location determined to have optimal conditions for input GPS coordinates, the system and method utilizing vehicle telematics to create a vehicle wagering network by connecting vehicles to mapping and traffic data.

The present invention provides a method for identifying and classifying a track for a tracking smart car. The camera image processing and feature extraction algorithms proposed in the method can effectively identify and classify track elements. The algorithm is simple and easy to implement, with low complexity, and has a good reference for preparing for the National College Student Smart Car Competition. It has important theoretical significance and practical value in the field of autonomous driving. It uses a preset standard template for feature matching, which can quickly and efficiently complete the image matching work, is conducive to timely identifying the track type and responding to the road conditions; and can reduce the complexity of implementation while optimizing robustness.

To provide a game program in which various courses are set on a field, a race can be performed for each course, and courses with variations can be set.SOLUTION: An example of the game system according to the exemplary embodiment is configured to present, after the end of a first race on a course having a goal point set in a first base area, a plurality of candidates including a first type of course candidate including an inter-base route from the first base area to another second base area and a second type of course candidate including an in-base route in a third base area different from the first base area to a player as course candidates for a next second race, One of the plurality of candidates is set as a second course on the basis of the player's selection.SELECTED DRAWING: Figure 7

1. Name of the product in this design: Pot (Race Track Design). 2. Intended use of this design: cookware. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

Device and method for assisting a driver of a vehicle in optimizing a driving line (303) of the vehicle, particularly on a race track, wherein a signal characterizing a steering angle or steering input is received by an acceleration sensor, the acceleration sensor being located on the hand of a driver of the vehicle, particularly in a smartwatch, wherein a signal characterizing the position of the vehicle, particularly a GPS signal, is received, wherein the driving line (303) is determined depending on the signals, and wherein a map showing the driving line (303) and an ideal line (302), particularly the ideal line (302), for the race track is displayed on a display (300), particularly in the vehicle. The device comprises a vehicle.

The utility model belongs to the technical field of linear sliding rails, and particularly relates to a high-stability linear guide rail ball sliding block which comprises a bearing sliding block and a ball arranged on the inner wall of the bearing sliding block, runway type ball double-sliding sealers are arranged on the two sides of the bearing sliding block, each runway type ball double-sliding sealer comprises an internal area and an external area, and the internal area and the external area are arranged on the bearing sliding block. The balls are contained in the runway type ball double-sliding sealer through a rotary fixator, and the balls in the built-in area make contact with a sliding rail. A runway type ball double-sliding sealer is adopted, a rotary fixator serves as a positioner of balls, when the balls expand, the rotary fixator is driven to rotate to replace the balls by means of the friction force relation between the balls and the fixator, the heated balls are located on the outer side, a high-speed sliding block and fins are combined for cooling, and along with adding of wind power cooling, the temperature of the high-speed sliding block is lowered. The heat dissipation burden of the lubricating oil is reduced, the problem of rotation resistance caused by thermal expansion is solved, and the use amount of the lubricating oil is reduced.