147results about How to "Reduce traffic accidents" patented technology

The invention discloses a detecting system and a detecting method for fatigue driving of a driver, and belongs to the technical fields of image processing and pattern recognition. The system comprises a human face localization module, a human eye state judging module, a mouth state judging module and a fatigue determining module, wherein the human face localization module is connected with the human eye state judging module and the mouth state judging module for communication; the determining result is sent to the fatigue determining module. The detecting method comprises the following steps: 1, localizing and detecting the human face; 2, judging the human eye state; 3, judging the mouth state of the driver; 4, judging the mental state of the driver. The detecting system and the detecting method combine two obvious facial characteristics of the driver, namely the human eyes and the human mouth, for complex judging; compared with recognition detection using a single method, the method provided by the invention has a higher recognition accuracy; through determining the mental state of the driver, the driver under fatigue state is reminded to stop the vehicle for rest, so that traffic accidents are effectively reduced, and the safety of life and property is strongly guaranteed.

The invention relates to the field of smart cars, in particular to an automatic car tracking system, comprising a processing module and a control module. The processing module comprises a decision controller, an image acquisition unit and a radar acquisition unit. The image acquisition unit is used for obtaining video or image information in front of a car and performing processing to obtain the relative position information of the car on the lane, the radar acquisition unit is used for detecting distance, position and speed information of an obstacle in front of the car, the decision controller is used for outputting car speed, angle and angular velocity control commands to the control module after receiving and processing the information, and the control module is used for controlling the car speed and direction according to the control commands. The invention also discloses a control method of the system. The image and the radar technology are combined, the car is detected and tracked more accurately, the safety issue under multiple weather conditions is better solved, traffic accidents caused by urban road congestion are reduced, safety is improved and the mental pressure of drivers is alleviated.

The invention provides a navigation-based early warning method, terminal devices and a server, which is applied to a vehicle early warning system. The vehicle early warning system comprises a first terminal device, a second terminal device and the server. The method comprises the steps that the first terminal device reports the position information of a first vehicle to the server; the position information of the first vehicle is used by the server to determine the status information of at least one second vehicle; the distance between the second vehicle and the first vehicle is within a preset range; the status information, which is transmitted by the server, of at least one second vehicle is received; the second vehicle in the blind zone of the first vehicle is determined, wherein the distance between the second vehicle and the first vehicle is less than safety distance; and when at least one second vehicle is in the blind zone of the first vehicle, and the distance between the second vehicle and the first vehicle is less than safety distance, an early warning alert is issued. According to the embodiment of the invention, the second vehicle can be precisely identified, wherein the distance between the second vehicle and the first vehicle is less than safety distance; and corresponding measures are taken in time to reduce traffic accidents.

The invention discloses an Internet of Vehicles intelligent vehicle-mounted information terminal, which comprises a central processor module, an information acquisition module, a display module, a communication module, a positioning module, a storage module and a voice module in mutual connection. The invention also discloses an information interaction method among the Internet of Vehicles intelligent vehicle-mounted information terminals. a first vehicle-mounted information terminal triggers at least one second vehicle-mounted information terminal surrounding to build a first relationship with the first vehicle-mounted information terminal through a communication module and triggers to build a second relationship with at least one third vehicle-mounted information terminal, the first vehicle-mounted information terminal performs information interaction in a corresponding relationship type with at least one second vehicle-mounted information terminal or the third vehicle-mounted information terminal respectively, the information interaction range of the vehicle-mounted terminal can be expanded, more vehicles can thus perform vehicle-mounted information interaction intelligently, different information interaction with a different vehicle-mounted terminal can be carried out, and thus, a more intelligent function is provided on the basis of sharing of multiple pieces of information.

The invention provides a system for guiding a highway safety vehicle speed in a foggy environment for intelligent connected vehicle, which comprises a road-side device arranged at the road side and a vehicle-mounted device arranged in a vehicle, and a vehicle speed guiding module, wherein the vehicle-mounted device is used for acquiring the visibility information of the road in real time, the visibility information and the real-time operation state of the vehicle are sent to the road-side device through a wide area wireless communication technology, and the best vehicle speed sent by the road-side device is received and serves as reference for a driver; the road-side device comprises an information communication module for communicating with the vehicle-mounted device by using a network communication mode; and the vehicle speed guiding module is used for calculating and analyzing the best vehicle speed according to the real-time operation state information of each vehicle on the road section and the visibility information, and the best vehicle speed is sent to all vehicles on the road section via the information communication module. According to the real-time operation state information provided by each vehicle and the visibility information, the best vehicle speed is calculated for the driver as reference, and traffic accidents due to an overlarge vehicle speed can be avoided.

The invention discloses a method and device for early warning during meeting at curves. The method comprises the following steps: receiving automobile running position information; determining target automobiles which are going to meet at the curves according to the automobile running position information and road information; carrying out curve meeting early warning on the target automobiles. Through adoption of the method and device disclosed by the invention, meeting accidents are effectively reduced.

The invention relates to a guidance method for a refueling stopping position. The method comprises the following steps: S1) a vehicle to be refueled is guided by a fixed notice board according to an own required oil product type to enter a corresponding refueling waiting area to be queued for waiting; S2) a video detector in the corresponding refueling waiting area carries out vehicle body image data collection on the vehicle and sends the vehicle body image data to a control terminal; S3) each vacancy sensor detects whether other vehicles are stopped on a corresponding stopping position or not, parking place state data is generated, and the parking place state data is sent to the control terminal in real time; S4) the control terminal carries out comprehensive analysis and processing on the vehicle body image data, a required oil product type, the parking place state data and the like to match a proper stopping position for the vehicle; S5) the control terminal judges whether the stopping position suitable for the vehicle is matched or not; S6) when the stopping position suitable for the vehicle is matched, stopping position information is sent to a corresponding display screen, vehicle guidance work is finished, and next vehicle guidance work is begun; S7) when the stopping position suitable for the vehicle is not matched, information of please waiting is sent to the corresponding display screen, and matching is continuously carried out.

The embodiment of the application discloses an information output method and device. A specific implementation way of the method comprises the following steps: acquiring a target video in which the current driving process of a target driver is recorded; inputting the target video to a pre-trained deep learning model to obtain a predicted fatigue driving occurrence time slot of the target driver, wherein the deep learning module is used for representing a corresponding relation between the video in which the current driving process of the driver is recorded and the predicted fatigue driving occurrence time slot of the driver; determining whether the predicted fatigue driving occurrence time slot of the target driver is in the preset time slot range; and outputting the predicted fatigue driving occurrence time slot of the target driver in response to the situation that the predicted fatigue driving occurrence time slot of the target driver is determined in the preset time slot range. Through the information output method disclosed by the embodiment of the invention, the fatigue driving occurrence time slot of the driver can be predicted, and the predicted fatigue driving occurrence time slot is output, thereby contributing to reduce the traffic accident caused by fatigue driving.

The invention provides a vehicle-mounted communication device and method based on the DSRC and Beidou satellite and belongs to the technical field of vehicle-mounted communication technology. The device comprises a Beidou satellite positioning unit, a wireless transmitting and receiving unit, a vehicle-mounted processing unit and a touch displaying unit. The Beidou satellite positioning unit is used for acquiring the vehicle location information and transmitting and receiving short messages; the wireless transmitting and receiving unit is used for transmitting or receiving vehicle-vehicle or vehicle-road data packages; the vehicle-mounted processing unit is used for processing and predicating the location and speed information of the vehicle currently so as to judge whether the colliding risk exits or not, if yes, the vehicle-mounted processing unit alarms or reminds a user; the touch displaying unit is used for receiving the operating command of the user to perform the corresponded operation. By means of the technical scheme, full control of the vehicle can be implemented, vehicle and driver assistance and traffic management are performed effectively, abnormality can be detected and found timely, traffic accidents are reduced, and safety of driving and traffic can be improved.

The invention discloses a monitoring device and a method for predicting a tire burst, belonging to the technical field of automobile safety. The present invention replaces the pressure monitoring withthe height of the distance sensor at the point where the wheel meets the ground, and the height at which the joint for wheels and the ground to a distance sensor, wheel speed of wheels and tire temperature are taken as the predicted samples of tire burst, the obtained data are processed according to a certain algorithm, Height after application (img file= 'DDA0001806738120000011. TIF' wi= '82' he= '63'/) Wheel speed (img file= 'DDA0001806738120000012. TIF 'wi=' 78 'he=' 63 '/) temperature (img file=' DDA0001806738120000013. TIF 'wi=' 71 'he=' 72 '/) determine that data processing module of each factor ratio weight algorithm by multi-factor fusion, you can find out exactly where the wheel of a flat tire is, or where the wheel of a flat tire is going to be. It can accurately and timely predict the risk of vehicle tire blowout, so as to avoid traffic accidents and protect the safety of personnel inside the vehicle.

The invention relates to an automatic answering method for mobile phones, which comprises the following steps: (1) when a call is incoming, the mobile phone automatically gets through connection and plays a prompt speech which indicates that the callee drives for a caller; (2) if an emergency call key of the caller is detected by the mobile phone within the emergency call key detection waiting time, a prompt speech of an incoming emergency call is played to the native phone; and otherwise, the mobile phone automatically cuts off the connection to finish processing; (3) and if an answering key of the native phone is detected within the answering key detection waiting time, the mobile phone establishes a talking connection with the caller to carry out normal conversation; and otherwise, the mobile phone plays a prompt speech, which indicates that the callee rejects answering the call, to the caller, and the mobile phone automatically cuts off the connection to finish processing. The invention has the advantage of reasonable design, solves the trouble that the driver is not convenient to answer the phone while driving, reduces the traffic accidents caused by energy dispersion when the driver answers the phone during driving, and ensures the personnel safety of both the driver and other people.

The present invention provides a vehicle face recognition method based on deep learning. The method comprises the steps of: obtaining an image, and constructing a driver data set; constructing a model: extracting visual features and semantic features, and forming a feature processing model; training the feature processing model; optimizing an experiment result according to a test result, and transmitting the optimized feature processing model to a total control terminal; and installing a warning lamp and a camera on a vehicle, and uploading a driver's operation condition to the total control terminal in real time, wherein the total control terminal determines whether the drive breaks driving rules or not according to the optimized feature processing model, when the drive breaks driving rules, the total control terminal emits signals to excite the warning lamp to prompt the driver to perform legal driving. Through real-time analysis of face change, the vehicle face recognition method extracts face features to detect whether there is violation operation or not and perform analysis and comparison with a data set, once behaviors of violating laws and rules are discovered, such as fatigue driving and call answering, watching of a mobile phone, alarm can be automatically emitted to timely stop the drivers' illegal behaviors so as to reduce the possibility of generation of traffic accidents.

This invention relates to one road information indication system, which comprises emission device to send road information and receive device to receive emission signals, wherein, the emission device is set on road surface composed of near road information codes generation circuit and signal emission module to send codes; the said receive device is set on car composed of receive module, decoding central processor and display screen. This invention also provides one relative road information indication method.

The embodiment of the invention discloses an expressway automatic driving lane level management and control method and device. The method comprises the following steps: acquiring vehicle type information and destination information of a target vehicle running into an expressway based on a road side unit; controlling the target vehicle to run into a corresponding target lane based on a preset guiderule according to the vehicle type information, the destination information and lane information of a current road segment; and setting the running speed of the target vehicle according to the lane speed limiting value of the target lane. Through adoption of the expressway automatic driving lane level management and control method and device disclosed by the invention, the situation of disorderedinterlacing of traffic flow due to random lane changing of an unmanned vehicle in the running process can be avoided, the management and control efficiency of the unmanned vehicle is improved, and the traffic accident rate is lowered, so that the security of the unmanned vehicle in the expressway range is enhanced.

The invention relates to an accelerator and brake combined device for vehicles. In the device, a pedal is hinged above a braking vane; a gliding resistor is arranged between the pedal and the braking vane; rightward deflection of the pedal changes resistance values of the gliding resistor; the accelerator is controlled by a control device and a servomotor, so that motion directions in treading the brake and treading the accelerator can be differentiated, braking can be realized by treading the pedal downwards, and acceleration can be realized by deflecting the pedal rightwards so as to effectively avoid falsely treading the accelerator in emergency brake, and reduce traffic accidents caused by falsely treading the accelerator; and in emergency brake, the right foot can directly tread the pedal downwards for braking without changing from the accelerator pedal to the braking pedal, and a connecting rod drives the pedal to reset so as to close the accelerator. Therefore, the device shortens the time of emergency brake, shortens the brake distance, effectively reduces the probability of accident occurrence, and reduces losses of lives and properties.

The invention discloses an automobile safety pre-warning system and method. An ultrasonic information collection system is used for monitoring relative movement trends and relative positions of objects around a vehicle; an A/D converter is used for processing the information of the ultrasonic information collection system and then transmitting the processed information to a main controller; a steering lamp state detection device is used for judging the action intention of a driver in the vehicle running process; a parking detection system determines the state of an automobile by detecting states of a brake pedal and a hand brake so that the main controller selects a corresponding algorithm for calculation; a UPS power supply supplies power to the whole system; the main controller calculates the input information to judge whether alarming is needed or not; and an alarming system reminds the driver of paying attention to dangers by using physical information such as sounds, lights, touches and so on. According to the automobile safety pre-warning system and method, the driver and passengers can be helped to found dangerous situations in advance, the possibility of occurrence of collision accidents can be effectively reduced, and the traffic safety problems are solved. And meanwhile, according to the automobile safety pre-warning system and method, useless dangerous information can be effectively eliminated to avoid unnecessary alarming and distraction of the driver.

The invention relates to a vehicle with damping umbrella, formed by engine, cabin control system, chassis, wheels, and main body, wherein the damping umbrella mainly comprises control switch, tube 1, metal cylinder 2, umbrella 3, and connecting wire 4; the umbrella 3 is contracted into the metal cylinder 2; tube 1 contains compressed air; the metal cylinder can air container or aerator; the edge of umbrella 3 has connecting wire 4; another end of wire 4 is connected to the fixer of metal cylinder 2; the metal cylinder 2 is at the chassis of vehicle tail; the cabin has control switch of damping umbrella. When vehicle has emergence, driver can use invention to decelerate the vehicle.

The invention discloses an automobile storage battery monitoring method and device and a storage medium, and belongs to the technical field of intelligent automobiles. The method comprises the following steps of acquiring state information of a storage battery in an automobile; and on the basis of the state information and a preset state standard, determining the working state of the storage battery so as to monitor the storage battery of the automobile. According to the method, the state information of the storage battery of the automobile is acquired, so that the working state of the storagebattery of the automobile can be determined on the basis of the state information of the automobile and the preset state standard; and due to the fact that the state of the storage battery can be timely and reliably monitored, the working condition of the storage battery can be mastered in advance, the work and life of an automobile owner and running of the automobile cannot be influenced by thesudden conditions of the storage battery, and the occurrence of traffic accidents is reduced.

The invention provides a driving safety reminding method, device and vehicle. The driving safety reminding method includes the steps: judging whether the vehicle driving speed is greater than or equal to a preset threshold or not; when the vehicle driving speed is greater than or equal to the preset threshold, detecting whether a driver operates a mobile terminal; and when the driver is determined to operate the mobile terminal, emitting reminding information of safe driving. The dangerous situation easily generated because the driver cannot concentrate on driving due to use of the mobile terminal during driving is prevented effectively, and the occurrence of traffic accidents is reduced.

The invention discloses a method and a device for prompting drivers, which belong to the technical field of Internet of Vehicles. The method comprises the steps of: acquiring first position information and a first driving direction of a first vehicle at the present moment, and second position information and a second driving direction of a second vehicle at the present moment; acquiring third position information of an intersection of the first vehicle and the second vehicle according to the first position information, the first driving direction, the second position information and the second driving direction; acquiring a first driving speed and first driving acceleration of the first vehicle at the present moment, and a second driving speed and second driving acceleration of the second vehicle at the present moment; determining whether the first vehicle may collide with the second vehicle according to the first position information, the second position information, the third position information, the first driving speed, the first driving acceleration, the second driving speed and the second driving acceleration; and prompting the driver of the first vehicle and the driver of the second vehicle if the collision is possible.

The invention provides a method and device for preventing vehicle speeding and a vehicle. The method includes the steps of collecting the rotation speed of wheels of the vehicle, collecting a steering angle of a steering mechanism of the vehicle, collecting signals of traffic signal lamps, determining the maximum speed value according to the difference values of the steering angles of two adjacent steering motions of the steering mechanism or the distance of two adjacent traffic signal lamps, obtaining the current speed of the vehicle according to the rotation speed of the wheels, and outputting control signals for adjusting the speed of the vehicle according to comparative results of the current speed and the maximum speed. According to the method and device for preventing vehicle speeding and the vehicle, the maximum speed value required to be controlled is obtained according to judgment on current road conditions, an engine is controlled to reduce the output torque when the vehicle speed value is larger than the maximum speed value, the vehicle speed is slowed down, a driver can be prevented from speeding, and road accidents are reduced.

An aerated brake assister substantially comprises a controller, an engine choke, a vacuum assister, a brake pump and a pressure vacuum assister. When driver is lost to brake, the invention can automatically trigger the electromagnet on the pressure vacuum assister to start the assister, and the air enters into the vacuum assister, via a membrane plate to push the piston rod of assister towards to trigger the brake pump whose high-pressure brake liquid via a brake tube is fed into the brake sub pumps of four wheels, to brake four wheels. The invention has low cost and easy maintenance.

The traffic management method for assisting a right-turn vehicle to avoid pedestrians includes a computer image processing part and a single-chip microcomputer. The computer is connected with the single-chip microcomputer through a serial port of the single-chip microcomputer. The single-chip microcomputer is connected with a roadblock control center and a traffic signal lamp through interfaces of the single-chip microcomputer. The method comprises the following steps: A. a camera is used to collect required information; B. video information collected in the step A is read into an image processing system; C. a kinetic equation is used to predict the time when a car arrives in a conflict zone; D. that whether the time interval between cars reaching the conflict zone is greater than a time threshold, if yes, a step (E) is carried out, otherwise, the step (A)is carried out; and E. the single-chip microcomputer sends an instruction to the roadblock control center, roadblocks rise, the cars are suspended until after the passage of pedestrians, then the roadblocks are dropped and the cars pass. The method has the following beneficial effects: the algorithm is simple and the control is not complicated; and the method helps the right-turn vehicle drivers to develop civilized habits of avoiding pedestrians and effectively reduces the occurrence of traffic accidents.

The invention provides a number plate with recording function and a number plate system, belonging to the technical field of automotive electronics and relates to a number plate system with recording function. The number plate system comprises a recording mode control module, an arithmetic processor, a memory, a camera and a photosensitive chip, wherein the recording mode control module is used for controlling the working state of a camera module and the storage state of video data in the memory, the arithmetic processor is used for controlling the camera module, the memory and the recording mode control module, the memory is used for storing the video data in the camera module, and the camera and the photosensitive chip are packaged in a panel of the number plate and are provided with optical structures. The number plate system can record all conditions of vehicle running, can carry out responsibility partition when traffic accidents occur, and can make a sound or send light with corresponding color to be used as an alarm signal when the spacing is extremely close to cause a danger situation or the traffic accidents occur, thereby reducing the traffic accidents.

The invention provides an illegal driving behavior warning device and method and relates to the field of transportation. According to the illegal driving behavior warning device and method, firstly, the running state of vehicles in a ramp passageway area is detected; secondly, according to the running state of the vehicles, whether or not the vehicles have illegal driving behaviors is determined;finally, when the vehicles have the illegal driving behaviors, warning modules associated with running rod segments are controlled to perform illegal driving warning. In this way, if the vehicles havethe illegal driving behaviors at a ramp passageway in a running state, on-site warning can be performed on illegal drivers of the vehicles in time to correct the driving behaviors, so that the probability of traffic accidents is greatly decreased.

The invention discloses a vehicle, and a driving behavior analysis method, device and system. The analysis method comprises the following steps: acquiring navigation data and turn signal data of the vehicle in a preset road section, wherein the navigation data comprise steering data; and analyzing driving behaviors according to the steering data and the turn signal data. The analysis method firstly acquires the steering data and the turn signal data, and analyzes the driving behaviors according to the steering data and the turn signal data, thereby assisting a driver in developing a good habitof using turn signals and reducing the occurrence of traffic accidents.

A safety warning device for light warning in the blind area of ​​a truck is provided. The vibration-damping fastening plate is fixed on the outside of the right rear chassis of the truck, and a mounting seat is fixed on the outer wall of the vibration-damping fastening plate. The light and voice warning device under the device is adapted and connected with the power drive device. After the power drive device drives the light and voice warning device to rotate, the light and voice warning device sequentially irradiates the blind area of ​​the truck to form a warning light area, and at the same time, the voice reminds pedestrians and vehicles. Stop outside the warning light zone. In the present invention, after the light and voice warning device is driven to rotate by the power driving device arranged on the vibration-reducing fastening plate, the light and voice warning device sequentially irradiates the blind area of ​​the truck to form a warning light area, and at the same time, the voice reminds pedestrians and vehicles to stop at the warning area. Outside the light area, it achieves the purpose of safety reminder, provides a safe steering environment for trucks, and reduces the occurrence of traffic accidents when trucks turn.

The invention relates to a manhole cover with a warning function. The manhole cover comprises a seat ring, a circular bearing face, and a cover body; the circular bearing face in a step form is arranged on the inner wall of the seat ring; the cover body covering the seat ring is supported through the circular bearing face. The inner wall of the seat ring is provided with a warning device which can pop up and be pressed down. After the cover body is lost, the manhole cover can remind vehicles and passengers for avoiding the danger, and traffic accidents caused by loss of manhole covers can be greatly decreased. The manhole cover is highly practicable.

The invention relates to a system and a method for controlling running of electric vehicles according to the states of traffic lights. The system and the method are characterized in that traffic signals are received in real time, according to acceleration data and driving direction data detected in real time by direction sensors and acceleration sensors on the electric vehicles, calculating is performed to obtain highest available speed per hour, a speed limiting mechanism controls current and voltage of motors and/or controls brakes to start up so that the speeds of the electric vehicles are not higher than the highest available speed per hour, traffic disturbance is prevented, and traffic accidents can be decreased; the speed and driving direction data are detected by the direction sensors and the acceleration sensors disposed in the electric vehicles, controlling is thereby more reliable and stable.

The invention discloses a portable dynamic detection method and system for braking performance of automobile wheels. The method comprises steps as follows: three-dimension acceleration of the wheels is sensed by triaxial accelerometers of wheel testing modules, and a braking detection signal is sensed by a pedal force sensor; the signal is output by a wheel tangential acceleration sensor, wheel signal characteristic quantity is extracted through wavelet transformation noise reduction treatment and short-time Fourier transform operation, and rotating period, rotating frequency and angular velocity of the wheels are obtained; braking distance, speed and initial braking speed of an automobile body as well as wheel braking deceleration are calculated according to angular velocity parameters ofthe wheels; inequality of braking deceleration balance of the left and right wheels is calculated according to wheel braking deceleration parameters; MFDD (mean fully developed braking deceleration)is calculated according to initial baking spedd and braking distance parameters of the automobile body; braking coordination time is calculated according to the braking detection signal and MFDD parameters. The system comprises the wheel detection modules, round movable hub catch plates, the pedal force sensor and an in-vehicle central control module.