381results about How to "Improve driving safety" patented technology

The invention relates to a car behavior data identification and management method based on internet of things. According to the method, a car behavior database is established according to car condition data and the character and the driving style of a driver, a car prediction model used for predicting car behaviors is further established, and car behaviors are predicted. The method is capable of monitoring the vehicle state in time, detecting the driving mood of a driver, knowing the driving style of the driver and predicting the car behaviors in real time, so that the driving safety is improved, and a harmonious and safe society is better built.

The invention relates to a method for fulfilling a slope starting assist control function of an electric automobile. The method comprises the following steps of (1), determining an activating condition; entering a to-be-activated state of the function when a driver steps on a brake pedal, the automobile is in a static state, but a hand brake is not pulled upward and the gear of the automobile is a forward gear; and activating the slope starting assist control function if the automobile begins to slide after the driver releases the brake pedal; and (2), correcting the target value of the torque of a driving motor, rapidly increasing the output torque of the motor after the slope starting function is activated so that the automobile does not slide, and keeping the torque output to enable the automobile to be static in situ. When the driver steps down the accelerating pedal, the slope starting assist control function is withdrawn automatically, and the automobile is stably started on a slope. By accurately controlling the torque output of the motor when the automobile is started on the abrupt slope, sliding of the automobile is avoided under the condition that the hand brake is not pulled upwards, the driver can calmly move a foot from the brake pedal to the accelerating pedal, and slope starting is finished.

The invention discloses a running instant anti-collision warning system and a running instant anti-collision warning method. The running instant anti-collision warning method comprises the following steps of: continuously sending running information packets of a vehicle outwards by using a wireless communication module of the vehicle and receiving the running information packets broadcasted by other vehicles; determining whether the surrounding vehicles are in an early warning range of the vehicle according to the information of the running information packets; if the surrounding vehicles arein the early warning range of the vehicle, performing coordinate system conversion between the vehicle and other vehicles and carrying out the steps of classifying collision areas to obtain the coordinate positions of collision points, judging whether the collision points exist or not, calculating collision time and the like, wherein the estimation operation of the collision points is not limitedby the positions of the adjacent vehicles. The running instant anti-collision warning system and the running instant anti-collision warning method can judge the potential hazards from all directions and effectively improve the safety by the anti-collision early warning.

The invention discloses a processing unit for suggesting crossroad driving. The processing unit comprises a crossroad information receiving module and a driving suggest generation module, wherein the crossroad information receiving module is used for receiving the traffic signal information of one or more crossroads before a vehicle as well as the driving distance information, related to the crossroads, of the vehicle; the driving suggest generation module is used for generating a driving suggest, to be provided to the driver of the vehicle, about how to pass the crossroads based on the information provided by the crossroad information receiving module. The invention further discloses a corresponding crossroad driving suggesting system and method.

The present invention relates to an active anti-dazzling method and an automobile active anti-dazzling device. The method is to use a dimming glass provided with a plurality of mutually independent liquid crystal film partitions as the front windshield of the automobile, and detect the lights of various light sources in front of the automobile in real time. Strong, find out the light source that will cause glare to the driver of the car, and find the division of the intersection point of the light from this light source to the human eye on the dimming glass through the positioning of this type of light source, the driver's eyes and the dimming glass , adjust the light transmittance of the corresponding partition by adjusting the current. The device includes a front windshield, a controller, light intensity detection equipment, light source position detection equipment and human eye positioning equipment. Independent partitions, each partition, each detection device and human eye positioning device are all data connected to the controller. The invention can actively prevent glare, improve driving safety, and can effectively delay the aging of automobile interiors.

The invention discloses a video monitoring and recording system for a carrying tool. The video monitoring and recording system comprises vehicle-mounted equipment and a remote device, wherein the vehicle-mounted equipment comprises a camera, an vehicle-mounted diagnostic system and an intelligent terminal; the remote device is a remote server; the intelligent terminal comprises a geographic information system database, a global positioning system database and a video monitoring and communicating module, wherein the GIS (Geographic Information System) database is used for storing geographic information of a preset position; the GPS (Global Positioning System) database is used for providing vehicle position real-time information; the communication module is used for information transmission among internal devices of the system and information exchange between the system and the remote server; the camera and the vehicle-mounted diagnostic system are connected with the intelligent terminal; when the vehicle-mounted system senses that the vehicle reaches a position near the preset position by the GIS database and the GPS database, video monitoring is triggered, the camera is started to continuously pick up images and intercept continuous video monitoring data flow until the preset time is up or the vehicle leaves the preset position, video monitoring is turned off, and the information is uploaded to the remote server by the communication module.

The invention provides a vehicle-mounted navigation device, which comprises an input module, a current position detecting module, a memory, a micro controller and an output module, wherein the output module comprises a driver, projection equipment and a universal bracket; the input module is used for inputting commands and requests of a user to the vehicle-mounted navigation device; the current position detecting module is used for detecting the current position and the time of a vehicle; the memory is used for storing a digital map; the micro processor is used for calling the digital map in the memory to generate the road guiding according to the commands and requests inputted by the user and the current position of the vehicle, and outputting the generated result; and the output module is used for receiving road guiding information generated by the micro processor. The vehicle-mounted navigation device directly projects the road guiding information of the navigation system on front wind shield glass of the vehicle by utilizing the projection mode, thereby improving the driving safety of a driver; moreover, the invention also provides a navigation system utilizing the vehicle-mounted navigation device.

The invention discloses a message pushing method and device, a storage medium and a server, and belongs to the field of Internet of Vehicles. The method comprises the steps of obtaining basic data associated with a target vehicle, wherein the basic data at least comprises vehicle user data and driving environment data; based on the obtained basic data, identifying the scene where the target vehicle is located currently; determining at least one service currently needed by the target vehicle according to the obtained scene recognition result, and generating a service message of the at least oneservice; and pushing the generated service message to the target vehicle. According to the invention, active scene identification is realized; possible services of the user in the current time and space can be actively judged based on the scene recognition result; the corresponding service message is actively pushed to the vehicle side, and the user can enjoy the required service without additionally executing the operation, so that the driving safety in the vehicle-mounted environment is greatly improved, the service requirement of the user in the vehicle-mounted environment is met, and theeffect is relatively good.

The invention discloses a road junction driving auxiliary device for a motor vehicle. The road junction driving auxiliary device comprises an identification unit, a distance measuring unit, a speed measuring unit, a central processing unit and an early warning prompting unit, wherein the identification unit is used for collecting information of images in front of the motor vehicle in real time and analyzing and identifying the information, as well as sending related information to the central processing unit when a traffic light and a stop line at a road junction are identified; the distance measuring unit and the speed measuring unit are respectively used for sensing real-time speed of the motor vehicle and a distance between the motor vehicle and the stop line, and feeding the measured data back to the central processing unit; the central processing unit is used for calculating so as to judge whether the motor vehicle can safely pass the road junction or not according to the received data and image information, and corresponding voice prompt can be given by the early warning prompting unit. According to the device, the problem that a driver can not accurately judge whether the motor vehicle can safely pass the road junction or not is solved, and a good human-computer interface is provided, so that the burden of the driver is reduced, the driving safety is improved, and the transportation is facilitated.

The invention discloses an aided driving system on rain or snow days and an aided driving method, wherein the aided driving system comprises a rain/snow sensor for detecting rainfall or snowfall to generate an electric signal for reflecting present rainfall, an electronic control unit for receiving the electric signal and obtaining a car control mode matching the electric signal to control engine according to the control method of the car control mode; and a car control module for receiving the car control mode and controlling a windshield wiper, an air conditioner, a foglight and/or an emergency light according to the control method of the car control mode. The system can automatically regulate functional parts, such as the windshield wiper according to rainfall strength, reduce manipulation strength of a driver, improve driving safety and reduce traffic accidents.

The invention discloses a driving early warning method and a driving meeting early warning method. The driving early warning method is based on a driving early warning system; the driving early warning system comprises an early warning mode module, a direction positioning module, a track storage module, a track prediction module, a track transform coding module, a data transmitting module, a signal receiving module, a data analysis module, a vibration sensor, a manual help early warning module, an early warning judgment module, an early warning module, a light control module and an electronic map. The driving early warning system mainly adopts a method of predicting longitude and latitude positions where a vehicle passes and predicting a record produced in the driving direction as a data source of early warning information, a receiver automatically compares pass positions and directions of the vehicle equipped with the receiver after receiving signals to determine whether to give an early warning to the vehicle, and accurate driving early warning can be provided when no satellite map record exists, or the vehicle enters a tunnel without satellite for positioning or the vehicle enters a district with more roads in the same direction, so that the driving safety is improved.

The invention discloses a physiologic signal monitoring system and a method of a driver. The system comprises a sensor module, an amplifying circuit, a filter circuit, a self-learning module, a CPU (Central Processing Unit) and an automobile control system, wherein the sensor module comprises a plurality of sensors for detecting a plurality of physiologic signals of the driver; the amplifying circuit is connected with the sensors of the sensor module and used for amplifying the physiologic signals detected by the sensors; the filter circuit is used for filtering the amplified physiologic signals to remove interfering signals; the self-learning module carries out self-learning to statistically obtain normal values of the physiologic signals of the driver and takes the normal values as reference values for judging whether the driver is in a fatigue driving state; the CPU acquires the physiologic signals of the driver and compare the physiologic signals with the reference values to judge whether the driver is in a drunk driving wait or fatigue driving state, and transmits a control signal to the automobile control system according to a compared result; and the automobile control system is controlled by the control signal transmitted by the CPU. The system and the method realize real-time monitoring of the physiologic signals of the driver.

The invention discloses an intelligent audio-video selection method and relates to the field of vehicle-mounted and mobile terminals. According to the method, geographical location information of a user is acquired according to location information of the user, detailed scenes of the place where the user is located are analyzed, audio and video files belonging to scene types of the user are actively recommended to the user, the corresponding audio and video files are regulated automatically according to feedback of the user, and listening and watching habits of the user are adapted and matched automatically, so that the problem of difficulty in selecting from massive audio and video resources by the user is solved, meanwhile the problem of driver distraction caused by manual regulation and audio-video change in the driving process is solved, and driving safety is improved.

The invention relates to a blade electric vehicle motor assisting hill parking and hill starting control system. The system comprises a drive motor, a motor rotation speed sensor and a motor controller. A motor drive control signal output interface of the motor controller is connected with a control signal input interface of the drive motor. The motor rotation speed sensor is used for monitoring the motor rotation speed of the drive motor. A drive motor rotation speed data output interface of the motor rotation speed sensor is connected with a drive motor rotation speed data input interface of the motor controller. The motor controller is further provided with a clutch pedal status signal communication interface, a brake pedal status signal communication interface, an accelerator pedal status signal communication interface and a gearbox gear status signal communication interface. By the adoption of the system and method, the hill sliding phenomenon is effectively reduced, and the traveling safety of a vehicle is improved.

A vehicle (3) driver assist arrangement (1) is provided. The arrangement (1) comprises processing means (5), road profile input means (7), current vehicle velocity input means (9), and a user interface (11). The processing means (5) is arranged to communicate with the road profile input means (7), the current vehicle velocity input means (9) and the user interface (11). The processing means (5) further being arranged to receive road profile data representative of a road profile in front of the vehicle (3) from the road profile input means (7), and to receive current vehicle velocity data representative of a current vehicle velocity of the vehicle (3) from the current vehicle velocity input means (9). The processing means (5) are still further adapted to process the road profile data to detect if the road (13) in front of the vehicle (3) contains a hidden or at least partially hidden curve (15). The arrangement (1) is adapted to issue a warning, via the user interface (11), if a hidden or at least partially hidden curve (15) is detected and if the current vehicle velocity exceeds a threshold velocity. The invention also relates to a vehicle (3) comprising a vehicle driver assist arrangement (1) and a method of assisting a driver of a vehicle (3).

The invention provides a vehicle controlling method and system and a vehicle. The vehicle controlling method comprises the steps that traffic information sent by a server is received after the automatic driving function is started by the vehicle; the road condition is identified according to the traffic information; remaining power of a power battery is obtained; a target driving mode corresponding to the traffic information is obtained from the corresponding relationship of the preset road condition and the driving mode according to the remaining power, wherein the vehicle comprises a plurality of driving modes; and the vehicle is controlled to switch to the target driving mode. According to the vehicle controlling method and system and the vehicle, driving safety of the vehicle can be improved, and energy consumption and pollution discharging of the vehicle can further be reduced effectively.

The embodiment of the invention relates to a brake control method for an unmanned vehicle. The brake control method for the unmanned vehicle comprises the following steps: calculating a safety monitoring and control area of vehicle brake control; obtaining the current running speed of the vehicle, and calculating a safety distance according to vehicle brake parameters and the current running speed; monitoring whether an obstacle having a distance which is less than the safety distance, away from the vehicle, exists in the safety monitoring and control area or not; while detecting that the distance between the obstacle and the vehicle is not less than a preset emergency brake distance in the safety monitoring and control area, outputting a first-stage brake control instruction, and controlling the vehicle to brake by a first brake force; while detecting that the distance between the obstacle and the vehicle is less than the preset emergency brake distance in the safety monitoring and control area, determining the current maximum vehicle wheel rotation angle of the vehicle, outputting a second-stage brake control instruction when the current maximum vehicle wheel rotation angle is greater than a set rotation angle threshold value, and controlling the vehicle to brake by the maximum brake force; and outputting a first-stage brake control instruction when the current maximum vehicle wheel rotation angle is not greater than the set rotation angle threshold value, and controlling the vehicle to brake by the first brake force.

The invention relates to a driver assistance method and device as well as equipment. The method comprises the following steps: acquiring motion parameters of a vehicle and a target; determining motionstates of the vehicle and the target according to the acquired motion parameters; predicting the moving trajectory of the vehicle according to the motion state of the vehicle and predicting the moving trajectory of the target according to the motion state of the target; calculating first position information of the vehicle and second position information of the target at a preset time interval according to the moving trajectories of the vehicle and the target; predicting that the vehicle and the target have a collision at a predicted time point according to the first position information andthe second position information of each predicted time point. According to the method, the moving trajectories of the vehicle and the target can be predicted, and the position information of the vehicle and the target is calculated at the preset time interval, so that whether a collision risk exists is determined.

The invention discloses a system and a method for anti-rollover control for a passenger vehicle. The system comprises two distance measuring sensors which are mounted on two sides of the bottom of the passenger vehicle body symmetrically and are used for measuring the distances H1 and H2 between of either of the two sides of the passenger vehicle body and the road during steering process, an anti-rollover controller which is connected with the two distance measuring sensors and a brake device of the passenger vehicle and is used for calculating the rollover angle m of the passenger vehicle through calculating the ratio of the absolute value of the difference between H1 and H2 and the distance L between the two distance measuring sensors, and is used for sending rollover control signal to the brake device of the passenger vehicle when the rollover angle m is compared with the preset rollover value M and m is higher than M, and the brake device of the passenger vehicle, which is used for performing brake according to the anti-rollover control signal and reducing the steering speed of the passenger vehicle. According to the invention, the anti-rollover control of the passenger vehicle is performed according to the rollover angle of the passenger vehicle; active brake is performed for the passenger vehicle under condition that the passenger vehicle may roll over, so that the probability of rollover of the passenger vehicle is reduced, and the steering safety of the passenger vehicle is increased.

The invention discloses a gear-shifting correction system for an automatic transmission and a correction method for the gear-shifting correction system. The gear-shifting correction system is characterized by comprising a signal conditioning module, a signal acquiring and processing module, a processor and a solenoid valve drive module, wherein the processor comprises a travelling working condition identifying module, a driving intension identifying module, a decision-making module and a gear-shifting correction module. The correction method comprises the following steps: carrying out signal conditioning and acquiring on a sensor signal so as to acquire a signal required by the travelling working condition identifying module and the driving intension identifying module; carrying out travelling working condition and driving intension identification and split-flow processing, thereby obtaining a corrected object and an uncorrected object; and setting a response priority sequence and a corresponding gear-shifting correction parameter and a gear-shifting correction value of the of the corrected object, carrying out gear-shifting correction, and storing basic gear-shifting control parameters. According to the gear-shifting correction system and the correction method, gear-shifting control needs for different travelling working conditions and driving intensions can be met, and traveling safety, dynamic property and fuel economy of vehicles are improved.

The invention provides a vehicle driving control method and device of a pure electric vehicle. The vehicle driving control device comprises a power supply gear connected with a vehicle control unit, an accelerator pedal, a brake and gear detecting circuit, a BMS, an MCU, an ABS and a control circuit. The vehicle control unit obtains the working current, the total voltage, the maximum charging power permitted by a battery management system, the maximum discharge power, the battery electricity, the motor rotating speed, the motor real-time torque, the motor failure state signal, the brake locking prevention signal, the three signals (working state, output current and voltage signals) of a DC converter, the working state, the output current, the voltage signals, the three signals of an air conditioner, a steering pump and a blast pump, the accelerator pedal signal, the brake pedal signal, the gear signal, the downhill auxiliary signal and the power supply gear signal, the actual consumption and required power of a power system are calculated according to the signals, the absolute value of the difference of the actual consumption and the required power is larger than or equal to a preset value, and a zero torque signal is sent to the MCU and/or a cut-off signal is sent to the control circuit when preset time is up, and the pure electric vehicle is high in driving safety.

The invention discloses a velocity-limiting mark recognizing and vehicle-velocity control method and system based on a vehicle traveling recording instrument. The method includes the steps that the vehicle traveling recording instrument collects an image through a camera in real time and carries out intensification and de-noising processing on the image; the processed image is compared with a pre-stored database template with a road velocity-limiting mark to judge whether the velocity-limiting mark exists in the image or not, and if the velocity-limiting mark exists in the image, the velocity-limiting mark is recognized to obtain the velocity-limiting velocity; the current vehicle velocity is adjusted according to the obtained velocity-limiting velocity. According to the velocity-limiting mark recognizing and vehicle-velocity control method and system, the vehicle-traveling velocity-limiting mark exists in a current road section is automatically recognized through the vehicle traveling recording instrument of a vehicle, a control command is output according to the recognition result, and the vehicle velocity is automatically controlled; meanwhile, a driver learns the velocity-limiting information of a road in real time, the driving safety of the driver is improved, and unnecessary traffic accidents are reduced.

The invention discloses a brake pad abrasion early warning system and method based on vehicle pipeline pressure; the system comprises a vehicle, a server and a mobile terminal; the vehicle comprises the following units: a detection module used for detecting whether a vehicle CAN bus has a brake signal or not; a timing module used for starting timing if the brake signal exists, thus obtaining a brake time; an acquisition module used for collecting vehicle brake pipeline pressure information, wheel gear ring number of pulse and speed at a sampling period interval if the brake time is bigger than a first preset time; a control module used for calculating the brake pad abrasion in each sampling period according to the brake pipeline pressure information, wheel gear ring number of pulse and speed collected in each sampling period, obtaining the total abrasion of the brake pad in the whole brake process according to the brake pad abrasion of each sampling period, and sending the total abrasion to the server when the vehicle shuts downs; the server used sending early warning prompting to a user through the mobile terminal according to the total abrasion.

Images taken by a plurality of cameras mounted on a vehicle are combined and an image of the surrounding area is developed, in a plane, around a vehicle display portion. The vehicle display portion shows an illustration border line indicative of the outer shape of the vehicle. The outline of the vehicle indicated by the illustration border line is drawn slightly larger than the outer shape of the actual image of the vehicle. This allows margin areas to be formed between the vehicle and its surroundings, thus reducing the possibility of a collision with an obstacle during driving.

The invention discloses a port-environment-oriented man-machine hybrid automatic driving test method and a test platform thereof. On the basis of SCANeR, a vehicle driving environment required by a test is created; a vehicle model is established according to vehicle parameters, the detection of a simulation sensor is far away from a virtual vehicle-mounted sensor system, and whether the vehicle model can sense the road environment, plan a driving route automatically, and control the vehicle to reach a predetermined target through the vehicle-mounted sensor system of the vehicle model is detected in a virtual vehicle driving environment, and the boundary of the automatic driving function is verified. The vehicle model and the vehicle-mounted sensing system are virtualized, and virtual testing is firstly carried out; in a virtual test, real-time man-machine switching driving modes can be realized through a driving simulator, so that the vehicle driving safety is improved. Moreover, automatic driving trajectory planning, trajectory tracking and execution controller performance of the vehicle model under different traffic scenes can be virtualized according to test requirements in thevirtual test, so that the test cost is effectively reduced, and test efficiency is improved.

The invention discloses a method of controlling a terminal through in-vehicle entertainment equipment and a piece of in-vehicle entertainment equipment. The method comprises the steps of establishing a connection with a terminal, displaying the current display interface of the terminal, calculating the position coordinate mapping relation between the display interface and the terminal screen, sensing a touch coordinate in the display interface, and getting position coordinate information matching the terminal screen according to the sensed touch coordinate and the position coordinate mapping relation and sending the position coordinate information to the terminal to control the execution of corresponding functions.

This invention discloses a automobile handle brake and acceleration control device, which comprises handle control push bar, sensor driver push bar movement sensor and the control circuit in current brake and oil system, wherein, the push bar is fixed on panel supportive bar and the drive processes brake or acceleration control through control push bar and the sensor to sense push bar position information into voltage signals; the brake operation voltage signals are sent to brake system to fulfill brake operation; the brake operation voltage signals are sent to brake system to fulfill brake operation.

The invention discloses a steering prompting method and device and belongs to the technical field of vehicle steering prompting. The method comprises the steps as follows: detecting the sight three-dimensional space angle of a driver in real time based on a face recognition technology when the steering intention of the driver is obtained; judging whether the angle is within a preset range, and starting a rearview mirror watching promoting system to prompt the driver to watch a rearview mirror if the angle is not within the preset range. The sight three-dimensional space angle of the driver is detected in real time based on the face recognition technology, whether the angle is within the preset range is judged, the rearview mirror watching promoting system is started to prompt the driver to watch the rearview mirror if the angle is not within the preset range, when the steering or lane changing intention of the driver is obtained, whether the driver watches the rearview mirror and knows about the information of the road behind are monitored in real time, the driver is intelligently prompted to watch the rearview mirror if the fact that the driver does not watch the rearview mirror is discovered, and accordingly, the driving safety is improved, and the user experience is improved at the same time.

The invention discloses a raw feel type driver state reminding device which is composed of a camera module, a vehicle-mounted information module, a driver state judging module, a driver state early warning module, a head rising display module and a sound alarm module. The camera module collects and outputs the face video data of a driver and sends the video to the driver state judging module. Thevehicle-mounted information module transmits vehicle information data through a vehicle-mounted CAN bus and sends the data to the driver state judging module. The driver state judging module synthesizes the face video data of the driver and the vehicle information, determines the state grade of the driver, sends the state grade to the driver state early warning module, determines the early warningmode according to the state grade sent by the driver state judging module, and transmits a signal to the head rising display module and the sound alarm module, and the head rising display module andthe sound alarm module provides the combination of head rising display alarm or head rise display and sound alarm according to the determined early warning mode.

The invention discloses a remote control method and device for an autonomous vehicle, and a server. The method comprises the steps: determining a corresponding control instruction according to a remote control request after the remote control request of the autonomous vehicle is received, and transmitting the control instruction through the wireless channels corresponding to a plurality of wireless networks. Therefore, the method achieves the transmitting of the control instruction through the wireless channels corresponding to the plurality of wireless networks, thereby achieving the redundant backup of the control instruction, avoiding a condition that the autonomous vehicle cannot timely obtain the control instruction because of the instability of a single network, improving the communication stability of the communication with the autonomous vehicle, enabling the control instruction to timely reach the autonomous vehicle, enabling the autonomous vehicle to make quick response according to the control instruction, and improving the running safety of the autonomous vehicle.