733 results about "Car driving" patented technology

The invention relates to the technical field of new energy automobile charging, in particular to a new energy automobile driving and charging behavior optimization method and system, and the method comprises the steps: S1, data collection: collecting vehicle travel data, charging data, endurance data, oil consumption and power consumption data, mileage credibility data and mileage data; s2, data processing: preprocessing the collected data, including data cleaning, data format conversion and feature extraction, to ensure the quality and consistency of the data; s3, data analysis: analyzing the preprocessed data based on a multi-dimensional data model and a machine learning algorithm, and identifying key factors affecting the performance of the new energy vehicle; and S4, optimization suggestion: generating personalized driving and charging optimization suggestion according to the data analysis result, and helping the user to optimize the driving behavior and the charging strategy. The driving and charging behaviors of the new energy automobile can be optimized in combination with the condition of the user, and the energy utilization efficiency and the endurance mileage of the new energy automobile are improved.

The invention relates to the technical field of automobile driving, and particularly discloses an intelligent headlamp self-adaptive control method and system based on multi-modal data fusion. The method comprises the following steps: acquiring an ambient light value outside a vehicle and a vehicle pose vector in real time; requesting a road side unit to obtain a tunnel or garage feature point set based on the ambient light value through an Internet of vehicles V2X communication protocol; based on the vehicle pose vector and the tunnel or garage feature point set, calculating a relative distance D by using an improved Euclidean distance, introducing a speed-adaptive distance compensation coefficient, and generating a corrected distance D '; the corrected distance D'is compared with a first preset early warning distance threshold K1 and a second preset early warning distance threshold K2, and if D 'is smaller than or equal to K1, a progressive lighting scheme is started; and if D 'is greater than or equal to K2, starting a light brightness attenuation scheme. The invention aims to provide a high-precision and safe mode, so that the self-adaptive control of the automobile headlamp is closer to the actual driving requirement of the automobile.

The utility model discloses a plane moving double-car parking and taking stereo garage, which belongs to the technical field of stereo garages and comprises a steel structure frame, the steel structure frame comprises a plurality of layers, each layer of steel structure frame is provided with a transverse moving roadway, and a plurality of parking spaces are arranged on the steel structure frame on two sides of the transverse moving roadway. A vertical lifting roadway is arranged in the steel structure frame, a lift car driven by a lifting power device is vertically installed in the vertical lifting roadway in a sliding mode, and a first carrier driven by a first carrying power device and a second carrier driven by a second carrying power device are installed in the lift car in a sliding mode. Transverse moving trolleys are installed in the positions, located in the transverse moving roadways, in the steel structure frame in a sliding mode, and the ground layer of the steel structure frame is provided with a vehicle entrance and exit allowing two vehicles to enter and exit at the same time. The three-dimensional garage solves the technical problem of low vehicle access efficiency in a plane moving type three-dimensional garage, and is widely applied to three-dimensional garages.

The invention discloses a hovercar drive-by-wire chassis coordination control system and method, and belongs to the field of vehicle control. The upper layer is a target layer and is responsible for receiving driver intention and current vehicle body state parameters, processing the driver intention and the current vehicle body state parameters, judging current vehicle body postures and providing a basis for follow-up coordination control; the middle layer is a coordination layer and comprises a steer-by-wire system, a driving system, a suspension system controller and a coordination controller, after a control signal from the target layer is received, each subsystem controller firstly controls a corresponding target, and then the coordination controller adjusts each subsystem controller in combination with the vehicle condition; mutual interference is eliminated while efficient operation of the subsystems is guaranteed, and overall optimization of chassis performance is achieved; and the bottom layer is an execution layer which is responsible for executing a control target of the coordination layer, collecting an execution result in real time and feeding back the execution result to the coordination controller to form closed-loop control. According to the invention, the subsystems of the chassis are linked through the coordination controller, so that the comprehensive performance of the flying car during running is improved.

The present application relates to the technical field of automobiles, and provides an anti-fouling device for an automobile reverse camera, a control method and an automobile. The device includes: a cleaning chamber, which has an open cavity and is arranged close to the reverse camera, and a liquid spraying port and a blowing port are arranged in the cavity; two lenses, which are connected side by side along a plane and rotatably connected to the cleaning chamber, and the two lenses are respectively located in front of the reverse camera and in the cavity; a rotary motor, which drives the two lenses to rotate; a soft door, which is arranged on the opening of the cleaning chamber and has a door slit; a cleaning member, which is arranged on the inner wall of the cavity; a liquid sprayer is communicated with the liquid spraying port and can spray liquid into the cavity through the liquid spraying port; a hair dryer is communicated with the blowing port and can blow air into the cavity through the blowing port; a controller, which is respectively connected to the rotary motor, the liquid sprayer and the hair dryer. The present application has the effect of automatically cleaning the front lens of the reverse camera, ensuring the normal use of the reverse camera, and improving the safety of automobile driving.

The invention belongs to the technical field of rail traffic safety protection, and particularly relates to an array type expansion energy absorption pipe anti-collision buffer. An array type expansion energy absorption pipe anti-collision buffer comprises a first base plate and a second base plate, a plurality of impact heads are installed on the first base plate, a plurality of energy absorption pipes are installed on the second base plate, the impact heads and the energy absorption pipes are arranged in pairs, and the positions of each pair of the impact heads and the energy absorption pipes correspond to each other. The diameter of the end, close to an energy absorption pipe opening, of each pair of impact heads is consistent with the diameter of the position of the energy absorption pipe opening, the first base plate and the second base plate are connected through an energy absorption spring, and when no external force exists, the impact heads are located at the position of the energy absorption pipe opening. And under the action of external force, the impact head extends into the energy absorption pipe and enables the energy absorption pipe to deform. According to the buffer device, the rigid energy absorption mode of a traditional buffer is changed, the adaptability to different impact forces is effectively improved, the buffer device can be repeatedly used according to conditions, and reliable guarantee is provided for automobile driving and rail transit.

1. The name of this design product: driving recorder housing (HY‑1062). 2. The purpose of this design product: used for the shell of a car driving recorder. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention discloses an information display device and an instrument desk assembly of an automobile, the information display device comprises a shell, the shell is provided with a mounting cavity and an exposed display area, and the display area is used for displaying contact information; the display information connector is installed in the installation cavity and exposed out of the outer wall face of the shell, and the display information connector is used for being electrically connected with an OBD interface of an automobile; the main control board is mounted in the mounting cavity and is electrically connected with the display information connector; and the head-up display unit is installed on the shell and electrically connected with the main control board, the head-up display unit comprises a display screen, the display screen is used for displaying operation parameters of the automobile, and the display screen is erected relative to the horizontal plane so that an automobile driver can look at the head up. According to the information display device, the auxiliary function of the information display device is added, and the using effect is improved.

The invention provides an ARHUD performance detection method and device based on image recognition, and belongs to the technical field of automobile driving. The ARHUD performance detection method based on image recognition comprises the following steps: S1, collecting superimposed image data in a preset range of a driver view, wherein the superimposed image data comprises driving image data and virtual image data; s2, recognizing the superimposed image data through an image recognition algorithm to respectively obtain a first target object in the driving image data and a second target object in the virtual image data; and S3, calculating the first target object and the second target object to obtain key performance indexes in the ARHUD system. According to the method, the first target object and the second target object are calculated, the four key performance indexes in the ARHUD system can be accurately and rapidly calculated, the detection precision and efficiency are greatly improved through automatic image recognition and processing procedures, and subjectivity and inconsistency in manual detection are avoided.

The invention provides an unhooking robot, and belongs to the technical field of compartment unhooking, the unhooking robot specifically comprises a chassis and a mechanical arm, the mechanical arm is connected with a manipulator, and the manipulator is used for carrying out unhooking operation on a compartment; the mechanical arm is connected with the manipulator and used for adjusting the position of the manipulator. The chassis is used for bearing the mechanical arm, and the chassis is arranged on the side of the carriage and can move in the same direction as the carriage; a telescopic positioning device is arranged on the chassis, and the two ends of the telescopic positioning device are connected to the chassis and the compartment respectively. Compared with the prior art, the time for unhooking operation through the mechanical arm is short, other preparatory work is completed before the compartment stops, namely the chassis is driven to move through movement of the compartment, in this way, in the compartment deceleration process, the mechanical arm can be controlled to move, and operation such as alignment of the mechanical arm and a hook handle is completed; and therefore, when the carriage stops, quick unhooking operation can be carried out through the manipulator.

The utility model relates to a four-channel hydraulic testing machine, which belongs to the technical field of fatigue test devices and comprises a base, a door-type frame is mounted on the base, and a vertical actuator is hung on the door-type frame. A transverse actuator mounting seat and a longitudinal actuator mounting seat are fixed on the base, a transverse actuator is mounted on the transverse actuator mounting seat, and a longitudinal actuator is mounted on the longitudinal actuator mounting seat; an auxiliary workbench is installed on the base, and a plurality of sliding seats are arranged on the auxiliary workbench in a sliding mode. The four-channel hydraulic testing machine further comprises a testing pressure seat, and the testing pressure seat is movably connected with the vertical actuator, the transverse actuator and the longitudinal actuator. A clamping seat is connected below the test pressure seat; according to the utility model, dynamic loading in three directions can be carried out on the to-be-detected piece through the vertical actuator, the transverse actuator and the longitudinal actuator, the real stress condition of a plate spring and a guide arm in the automobile driving process is simulated, the structure is innovative and prominent, and servo control and module measurement are accurate.

The embodiment of the invention discloses a brain-controlled automobile driving intention determination method and device, equipment and a medium. The method comprises the following steps: acquiring a first electroencephalogram signal in a brain-controlled automobile in a vehicle driving process of a driver; preprocessing the first electroencephalogram signal based on a preset signal processing mode, and determining a second electroencephalogram signal corresponding to the driver; feature extraction is conducted on the second electroencephalogram signals based on a preset feature extraction mode, and electroencephalogram features corresponding to the driver are determined; and performing driving intention classification based on the electroencephalogram features and a target classification model, and determining the driving intention of the driver. Through the technical scheme of the embodiment of the invention, the vehicle driving intention of the driver can be accurately and conveniently determined, and the driving intention determination efficiency and accuracy are improved.

The invention discloses an automobile driver vibration comfort evaluation method and device, a medium and a product, and relates to the field of driver comfort evaluation, and the method comprises the steps: obtaining electroencephalogram signals of a subject under different working conditions and corresponding comfort overall subjective evaluation scores; the electroencephalogram signals under different working conditions are preprocessed; electroencephalogram signal features of the preprocessed electroencephalogram signals are extracted through wavelet packet transformation; according to the comfort overall subjective evaluation score, performing normalization processing to obtain a questionnaire table; constructing a data set according to the electroencephalogram signal characteristics and the corresponding comfort types under different working conditions; according to the data set, adopting a machine learning model to determine an overall comfort evaluation model; the overall comfort evaluation model is a mapping model between electroencephalogram signal features and subjective evaluation; and according to the overall comfort evaluation model, carrying out vibration comfort evaluation on the automobile driver. According to the invention, deep analysis and comprehensive evaluation of the comfort of the driver in the vibration environment can be realized.

The invention discloses an optimal distribution method for electric vehicle charging stations, and the method comprises the steps: constructing a state transition matrix based on the travel time of a driver of a to-be-charged electric vehicle, the charging cost, the number of available charging piles of the charging stations, the comprehensive position of the charging stations, and the attraction of the charging stations, and generating charging demand probability distribution in real time; calculating a reachable radius according to the residual electric quantity and the energy consumption rate of the to-be-charged electric vehicle, screening a candidate charging station set, fusing a driver preference weight, and establishing a multi-target distribution cost evaluation mechanism; constructing an optimal distribution model of the electric vehicle charging stations; an initial population is generated through greedy random adaptive search, a multi-parent cross strategy or a directional exchange strategy is dynamically executed according to the remaining time of a driver, and a corresponding optimal charging station distribution scheme is output. According to the method, the optimal charging station is allocated for the electric vehicle user, and the driving distance cost, the charging currency cost and the destination walking distance cost are reduced to the maximum extent.

1. Name of the Design Product: Electronic Rearview Mirror Display Screen (XS2411). 2. Use of the Design Product: This design product is applied to an electronic rearview mirror system and is installed on the A-pillar of the vehicle cab or suspended from the vehicle interior ceiling. It is a device for collecting and processing camera signals and displaying images of Class II and Class IV indirect fields of view and temporary fields of view. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

The invention provides an interference injection system for an automobile driving test, which comprises a test platform, an uphill plate, a downhill plate, a light-transmitting plate and an identification arrangement mechanism, and is characterized in that the identification arrangement mechanism comprises a lifting plate, an electric push rod, magnetorheological fluid, an electromagnetic coil, a reserve adjusting mechanism and a main control unit; and the main control unit can control the electromagnetic coils at different positions in the lifting plate to be electrified through the upper part of the light-transmitting plate, and the road sign is formed after the magnetorheological fluid at the upper part is gathered through the generated magnetic field, so that the identification capability of the automobile on the road sign can be tested, and the main control unit can test the identification capability of the automobile on the road sign by regulating and controlling the electrification of the electromagnetic coils. According to the invention, instantaneous switching of road sign interference is realized, and after the storage amount of the magnetorheological fluid is adjusted through the storage amount adjusting mechanism, the color of the road sign can be lightened when the road sign is generated, and the road sign worn by an external environment on a real road can be simulated, so that the performance of an automobile can be tested in an omnibearing manner.

The utility model discloses a trolley driving control system, which comprises a track, a reader and a controller, the track is composed of a plurality of track units arranged in the same plane coordinate system, each track unit corresponds to a target station, and each track unit is provided with a radio frequency identification label written with station information; the reader is arranged on the traveling trolley and can read information of the radio frequency identification tags on the corresponding track units within a preset range away from the track units; the controller is in communication connection with the driving trolley and the reader, and the driving trolley receives an instruction of the controller so as to move to the corresponding rail unit. According to the utility model, the trolley driving target station can be more directly set and the positioning condition of the target station can be more directly obtained through radio frequency identification and reading, so that the trolley driving control and positioning are facilitated, the positioning position information marking mode is not easily influenced by external pollutants and other environments, and the stability is higher.

The invention relates to the technical field of automobile driver data monitoring, and provides a test method and system based on the response capability of a driver to identify an intelligent driving cabin icon, and the method comprises the steps: collecting the feature attributes of the intelligent driving cabin icon of a tested vehicle, and combining a plurality of intelligent driving cabin icons into a target template according to each display position and change time; a road side test is carried out, a target image of the display area of the intelligent driving cabin icon is collected in real time through a first visual sensor, whether the target image is matched with the intelligent driving cabin icon in the target template or not is judged, and if yes, the response capacity of a driver to the intelligent driving cabin icon is collected; otherwise, continuing to collect the target image. According to the invention, the reaction capability of the driver to the intelligent driving cabin icon can be accurately and rapidly obtained under the road test condition.

The invention discloses a method for identifying the driving style of an automobile driver. The method comprises the steps that driving feature data and environment feature data in the automobile driving process are acquired; preprocessing the driving feature data and the environment feature data, and extracting time sequence feature data; performing model training on the time sequence feature data to establish a driver style identification model; identifying the driving style of the driver in real time according to a driver style identification model; and the driving style of the driver is visualized outside the automobile. Through the mode, the identification precision of the driving style can be remarkably improved, the system can dynamically adjust the identification logic, it is ensured that the real style of a driver can still be accurately reflected in different scenes, and the robustness and practicability of the method are enhanced; according to the method, the driving style of the driver is visualized outside the automobile, the information transparency between traffic participants can be remarkably improved, traffic conflicts are reduced, and finally collaborative optimization of road traffic efficiency and driving safety is achieved.

The utility model discloses a heavy-load driverless automobile test rotary table, which comprises a base, a plurality of eye bolts are arranged at the upper end of the base, an arc-shaped motor is mounted at the upper end of the base, an arc-shaped stator is mounted at the inner side of the arc-shaped motor, a guide rail is mounted at the upper end of the base, and the arc-shaped stator is mounted at the inner side of the guide rail. A sliding block capable of moving is installed at the upper end of the guide rail, a rotary table panel is installed at the upper end of the sliding block, the rotary table of the device adopts eight arc-shaped motors which are connected in parallel, the thrust can reach 5500 N, the diameter of the rotary table is 1380 mm, and the device can bear large-size objects and is more stable. An automobile cab can be placed on the rotary table, a tester can sit in the rotary table for testing, the maximum load can be one ton, multiple tests can be completed in a short time, the rotary table adopts eight arc-shaped motors which are connected in parallel, and the operation speed is increased and reaches two meters per second.

1. The name of the design product: automobile traveling data recorder (YKC-AEB101). 2. The use of the design product: the design product is used for commercial vehicle auxiliary driving control, built-in double hardware system, and product functions integrate millimeter wave radar, ADAS, front view camera, DMS, BSD, AEBS, alarm display, display screen, brake actuator, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention discloses a battery car accelerator linkage control system based on left hand holding detection, and relates to the technical field of electric vehicle safety control, in particular to an intelligent linkage control system for unlocking and locking a right hand accelerator through a left hand holding detection module. The device comprises a left hand grip, a main control module and a right hand grip, a holding detection module is arranged in the left hand grip, dual-mode verification of a pressure sensor and a capacitive touch sensor is arranged in the holding detection module, and an accelerator control module is arranged on the right hand grip; only when double signals of the pressure sensor and the capacitance touch sensor meet the requirement at the same time and an effective holding signal is output, the right hand accelerator control module can be kept effective, and the vehicle is kept in a power-up state. And when the holding detection module of the left-hand grip does not output an effective holding signal, the right-hand accelerator control module realizes locking. Accelerator linkage locking is achieved through built-in pressure and capacitance dual-mode detection of the left hand grip, single-hand riding is effectively avoided, and the safety and reliability of battery car driving are remarkably improved.

The invention relates to a multi-dimensional behavior analysis-based driving ability evaluation method for an auxiliary driving vehicle. The method comprises the following steps of: obtaining historical driving data of a target vehicle in a specified time period; preprocessing the historical driving data, and dividing data fragments for activating an auxiliary driving function; calculating a preset evaluation index based on the data fragment; wherein the preset evaluation indexes comprise an auxiliary driving function abuse rate, an emergency response delay index, a man-machine conflict frequency and a driving concentration index; and according to a calculation result of the preset evaluation index, generating a comprehensive ability evaluation report of the driver. The method is completely based on conventional data sources such as the existing CAN bus of the vehicle and log data of the auxiliary driving system, does not need any additional hardware, comprehensively evaluates the capability performance of the driver when the driver uses the auxiliary driving function from multiple dimensions, and is more comprehensive, low in calculation complexity, high in evaluation efficiency and easy to deploy and apply on a large scale.

The present invention discloses a multimodal transformer-based assisted driving prompt method and device, which relates to the field of automobile driving technology and is used to solve the technical problem that the existing assisted driving prompt method cannot provide accurate driving prompts. The method includes using a multimodal transformer-based assisted driving prompt model to process the acquired multimodal images, namely, facial expression images and road condition images, and outputting assisted driving prompt results; wherein the multimodal transformer-based assisted driving prompt model includes an input module, a transformer self-attention module, a cross-attention module and a classification module.

The invention relates to the technical field of yardage roll carrying devices, and discloses an AGV (automatic guided vehicle) for carrying yardage rolls, which comprises a carriage, hydraulic rods are mounted at the upper ends of the two sides of the carriage, clamping sleeves are arranged at the lower ends of the hydraulic rods, crawler wheels are mounted in the clamping sleeves, and limiting columns are fixedly connected to the middle of the upper end of the carriage. The limiting column is sleeved with a movable sleeve, a motor is installed on one side of the movable sleeve, an auxiliary platform is fixedly connected to the upper portion of the movable sleeve, and a hinge is fixedly connected to one side of the upper portion of the auxiliary platform. According to the AGV for carrying the yardage rolls, by designing a specific running track, convenience is improved when the carriage runs, meanwhile, motors move through gear meshing, an auxiliary platform can be driven to rotate around the upper portion of the carriage, and when the feeding direction of the to-be-carried yardage rolls is opposite to the discharging direction of the to-be-carried yardage rolls, the auxiliary platform can be driven to rotate by starting the motors; therefore, the placing direction of the cloth roll to be carried can be adjusted.

The driving chassis structure of the intelligent driving automobile comprises a main beam of a frame-shaped structure, wheel bodies are arranged on the front portion and the rear portion of the left side and the right side of the main beam respectively, and the wheel body on the front side is controlled by a hydraulic power steering system to adjust the orientation; lateral movement mechanisms are further arranged on the left side and the right side of the main beam, located between the front wheel body and the rear wheel body and arranged to be in an adjustable state, and then the main beam is lifted by the lateral movement mechanisms to control the main beam to move transversely. The lateral moving mechanisms are arranged on the left side and the right side of the main beam, the lateral moving mechanisms are arranged in the adjusting state, and meanwhile the lateral moving mechanisms are connected with a hydraulic system and a control system of the vehicle, so that the states of the lateral moving mechanisms can be adjusted according to needs of a driver, the rollable ends of the lateral moving mechanisms make contact with the ground, and the vehicle is lifted to be separated from the ground; and convenience is provided for lateral movement of the vehicle.

1. The name of the design product: power unit for battery replacement locking mechanism (G500). 2. The use of the design product: power unit for battery replacement locking mechanism of automobile cab, used for rollover drive of cab. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a motor train unit driver state identification method and system. The method comprises the following steps: collecting multi-modal data; receiving the synchronized multi-modal data to recalculate the running scene of the vehicle; the illegal behavior of the driver is automatically identified through an improved identification model of the space-time attention network; the identified illegal behaviors are classified; automatically matching a corresponding reinforcement training course according to the type of the identified illegal behavior and associated scene information, and pushing the reinforcement training course to the simulated driving equipment to break a data barrier between a real vehicle and a simulator, so as to realize accurate training based on a real vehicle driving problem; multi-modal data fusion and a space-time attention network are applied, so that the accuracy and efficiency of violation recognition are improved; performing dynamic course matching based on violation classification and historical data; an evaluation report is automatically generated, manual intervention is reduced, and the management efficiency is improved; the system supports simulation driving of various motor vehicle models, and has good expandability.

The invention relates to a new energy electric vehicle driving simulation control method based on a virtual practical training platform. The method comprises the following steps: loading a new energy electric vehicle model and a driving environment model; obtaining a driving control signal of the new energy electric vehicle; inputting the new energy electric vehicle driving control signal into the new energy electric vehicle model, simulating driving information of the new energy electric vehicle in a preset scene in combination with the driving environment model, and generating real-time driving simulation information of the new energy electric vehicle; and generating automobile performance indexes of the new energy electric automobile model based on the new energy electric automobile driving real-time simulation information. By adopting the method, the driving behavior influence of the new energy electric vehicle can be accurately simulated, performance index quantitative evaluation is performed on the new energy electric vehicle, and a data basis is provided for vehicle control strategy optimization of the new energy electric vehicle.