197results about How to "Reduce the probability of traffic accidents" patented technology

The invention discloses a device and method for the detection of violation of a front vehicle and the early warning of violation of a vehicle on a road, and the device comprise a video reading module which is used for obtaining a video image of a road; a road detection and recognition module which is used for detecting a lane line of the vehicle during running, and recognizing whether the lane line is a solid line or a dotted line; a front vehicle violation detection unit which is used for judging the lane changing condition of the front vehicle, judging whether the vehicle changes the lane illegally or not according to the type of the lane line and the steering lamp information, giving an alarm to a driver when the front vehicle changes the lane illegally, and extracting the license plate information of the front vehicle' and a vehicle violation early warning unit which is used for predicting whether the vehicle changes the lane illegally or not, and giving an alarm to a driver when the vehicle changes the lane illegally. The device is low in cost, facilitates the standardization of the driving habits, facilitates the reduction of traffic accident rate, and is great in social value.

The invention discloses a no-signal intersection vehicle intelligent cooperative passage method based on a CPS (Cyber-Physical System), aiming to overcome the shortcomings of green light zero passage and low passage efficiency caused by fixed traffic light time control, and lack of information interaction among vehicles in the intersection passage management of prior art. Based on the deep fusion of the 3C (computing, communication and control) technology in a CPS, and supported by the GPS technology, vehicle-vehicle communication technology and speed intelligent control technology, the method is provided and comprises three steps of vehicle passage data acquisition, information processing and communication, and decision control; vehicles close to an intersection continuously obtain the passage information of local vehicles, and perform communication interaction with vehicles in other directions so as to percept surrounding environments in real time, and on the basis, the method performs dynamic decision making and control, i.e., the method analyzes whether the local vehicles and other vehicles exist potential bump risks according to the passage information of surrounding vehicles, cuts the risks, considers vehicle passage priorities, controls speeds and ensures vehicle safe and efficient passage.

The invention discloses a fuzzy control based automotive intelligent cruise assisted driving system control method. The method includes the steps: firstly, acquiring speed VF of a front key target vehicle, relative distance Sr and real-time speed Vh of a cruiser; judging whether the front vehicle exists or not, and entering an intelligent following mode if yes; otherwise, entering a constant-speed cruise mode; for the intelligent following mode, taking relative distance deviation RD and relative speed deviation RV as input parameters, and taking an output linguistic variable as pedal increment u of an accelerator pedal or brake pedal at one movement; according to the fuzzy rule, determining a fuzzy value of an output variable u; adopting a centroid method to perform defuzzification computation to obtain an accurate controlled variable so as to control throttle percentage or brake pedal travel. By the control method, automatic regulation and trigger control of the throttle percentage and brake pedal travel can be realized at the same time, an integrated control function integrating ACC(active cruise control) and run-stop control can be realized, running safety of an automobile is improved, and driving fatigue of a driver is alleviated.

The invention provides a drive early-warning method based on a pulse condition diagnosis mode. The drive early-warning method comprises the following steps of: (1) setting different scenes, acquiring basic signals in all the different scenes of the a person by a sensing head and establishing a mood database of a the person; (2) acquiring a state signal of a car by a car bus and establishing a state database of the car state; (3) acquiring the basic signal of the a driver in real time by the sensing head, and combining with the mood database to and obtaining the mood level of the driver; acquiring the current state signal of the car through the car bus, and combining with the state database of the car and to obtaining the current state of the car; and (4) comparing the mood level of the driver and the current state of the car, thus sending drive reminding. The drive early-warning method provided by the invention has the advantages that the pulse condition is acquired by the sensing head and is converted into a basic signal so as to monitor a characteristic signal of a the driver in real time, judge whether the driver is proper for driving and reduce the traffic accident rate.

The invention provides a panoramic visible system of an automobile, which comprises an image acquisition unit, an image processing unit, a control unit and an image display unit. The image acquisition unit is used for acquiring images from the front side, the rear side, the left side and the right side of the automobile in real time and outputting the four acquired image signals, the image processing unit is used for receiving the four image signals acquired by the image acquisition unit, respectively converting the four image signals into digital signals before realizing panoramic stitching processing for the digital signals, restoring digital signals after the panoramic stitching processing into an panoramic image signal and outputting the panoramic image signal, and the image display unit is connected with the control unit and is used for receiving and displaying the four images outputted from the image acquisition unit and/or an panoramic image outputted from the image processing unit according to instructions of the control unit. By the aid of the panoramic visible system of the automobile, individual images of a turning side or a rear side of the automobile can be provided in real time, accordingly, a reference can be provided for a driver, and running safety is improved.

The invention discloses a safe driving intelligent reminding method, which comprises the following steps of obtaining the current state information of a vehicle; comparing the state information with a preset rule; judging whether the state information conforms to the preset rule or not; and if so, the corresponding warning prompt is carried out according to the conforming preset rule. When the technical scheme is adopted, the traffic accident occurring probability can be effectively reduced.

The invention discloses a motorcade formation driving method and system, and belongs to the field of automobiles. The motorcade formation driving method includes the steps that at least two automobiles are organized into a team to drive, the first automobile is driven manually, and the other automobiles are following automobiles; according to the difference of the longitudinal distance between each following automobile and the automobile adjacent to and in front of the following car, each following automobile can judge whether a automobile joins in the motorcade from the position between the following automobile and the automobile adjacent to and in front of the following automobile in the motorcade or not, and each following automobile automatically follows the automobile adjacent to and in front of the following automobile in the motorcade to run according to the judging result, or automatically changes the lane to overtake the automobile joining in the motorcade and automatically follows the automobile adjacent to and in front of the following automobile to run, so that in the driving process of the motorcade, other automobiles except to the first automobile are all automatically driven, the probability of accidents caused by fatigue driving or malfunction of the driver can be lowered, and the safety of the motorcade driving can be improved.

The invention relates to a vehicle projection illumination display system based on the vision processing and sensor technology. The system takes an image vision acquisition and detection module and amulti-sensor signal acquisition module as input, a projection illumination display module as output, and an automobile on-board micro-processing control unit as the core, according to the vehicle operating traffic information, by combining a vehicle lighting working mode, the corresponding intelligent illumination driving signal is sent out, and the brightness, graph and image of the projection illumination display module are adjusted self-adaptively in real time to realize the projection display of a light. A light projection illumination condition monitoring module is used for monitoring theoperation condition, and the system can connect the vehicle driving information to a network through a communication module (WiFi or Bluetooth), or connect to a mobile phone APP software, so as to facilitate the automobile Internet of Things control in the later period. The whole system is stable and reliable, and has the characteristics of being in high resolution, programmable and intelligent.

The invention discloses a driver risk preference behavior diagnosis system. The driver risk preference behavior diagnosis system comprises a scene module, a driving simulator and a diagnosis module, wherein the scene module is used for setting multiple design scenes of a specified task object in a driving task normal form; the driving simulator is used for carrying out simulation driving according to the specified task object; the diagnosis module is used for measuring the decision result, the behavior feature index and vehicle dynamics parameters of a driver under the driving task normal form and evaluating the internal risk preference of the driver according to the measurement result to generate a diagnosis report. The diagnosis system is based on the simulation driving task normal form of a virtual reality technology, the driving simulator serves as an evaluation platform, the internal risk preference of the driver is diagnosed by measuring the driver decision behavior and the vehicle dynamics indexes under the standard driving task normal format, the diagnosis reliability is improved, and the road traffic safety is better ensured.

An internet of things for prevention and control of road traffic accidents, consisting of a management center processing device, a vehicle entrance and exit processing device, and a vehicle-mounted wireless sensor device, the latter including a single-chip microcomputer, a GPS module, a wireless transceiver module, a collision sensor, a voice and display reminder module, and the like. A road traffic accident prevention and control method, comprising a management center processing module, a vehicle entrance and exit processing module, and a vehicle-mounted wireless sensor processing module, the latter including a vehicle distance, vehicle speed, abnormal parking calculation and processing module, collision perception and processing module, voice and Display reminder module, exchange information module and so on. The present invention can effectively prevent and control malignant traffic accidents on modern highways, and can directly send accident information to follow-up vehicles within a very short time after accidents occur to prevent serial collisions, and continue to send information to various toll stations and management centers, and timely Rescue measures can be taken to remind the driver of the distance and speed of the vehicle in time, effectively avoiding the occurrence of vicious traffic accidents on the expressway.

An automobile high beam and low beam automatic switching and networking system capable of adjusting an illumination angle in real time comprises a 24GHz radar sensor module, a leveling instrument module, a GPS module, an image recognition module, a vehicle-mounted T-BOX module, a central processor and an automobile lamp control module, wherein the 24GHz radar sensor module, the leveling instrumentmodule, the GPS module and the image recognition module are correspondingly connected with the vehicle-mounted T-BOX module; the vehicle-mounted T-BOX module and the automobile lamp control module are correspondingly connected with the central processor; the central processor correspondingly feeds back information to the 24GHz radar sensor module, the leveling instrument module, the GPS module and the image recognition module and reinforces functions of the corresponding modules according to information of different road sections. According to the automobile high beam and low beam automatic switching and networking system capable of adjusting the illumination angle in real time, data are simultaneously monitored and collected by using the multiple modules so that the automobile lamp is automatically switched between a high beam and a low beam according to a real-time pavement situation and the angle of the automobile lamp is adjusted to adapt to different road situations; and meanwhile, data are collected and integrated to perfect a database so as to effectively avoid dazzling influences caused by various situations; and therefore, the probability of traffic accidents is reduced.

A road traffic accident prevention and control device is composed of a single-chip microcomputer, a GPS module, a wireless transceiver module, a collision sensor, a voice and display reminder module and the like. A road traffic accident prevention and control method, comprising a vehicle distance, vehicle speed, abnormal parking calculation and processing module, a collision perception and processing module, a voice and display reminder module, and mutual information transmission modules. The present invention can effectively prevent and control malignant traffic accidents on modern highways, and can directly send accident information to follow-up vehicles in a very short time to prevent serial collisions, and continue to send information to various toll stations and management centers, and timely Rescue measures are taken to remind the driver of the distance and speed of the vehicle in time, effectively avoiding the occurrence of vicious traffic accidents on the expressway.

The invention discloses a deicing and snow melting system utilizing terrestrial heat in a tunnel. The system comprises a heat pump unit, a heat supply pipe and heat exchange tubes, wherein the heat supply pipe and the heat exchange tubes are respectively communicated with the heat pump unit so as to form two circulating pipeline independent from each other; fluid in the heat supply pipe and the heat exchange tubes provides circulating power by virtue of the heat pump unit, and heat exchange is performed by virtue of the heat pump unit. According to the deicing and snow melting system utilizing terrestrial heat in the tunnel disclosed by the invention, rich geothermal resources in a high-temperature geothermal area can be utilized, and the terrestrial heat energy in the tunnel is transferred to the ground by virtue of the pipeline, so that the aims of actively melting snow and deicing are achieved. The snows and ice on the road surface in spring and winter can be eliminated, the road riding safety problem is improved, the asphalt pavement service quality is improved, the traffic accident rate and economic losses are reduced, the life and property safety of the masses can be protected, the service performance of the asphalt pavement can be maintained, the service life is prolonged, the environmental hazards caused by use of chlorine deicers are reduced, good economical benefits are achieved, and the renewable and sustainable energy, namely, the terrestrial heat energy is reasonably used.

The embodiment of the invention discloses a method, device and system for preventing fatigue driving of drivers on expressways. The method comprises the following steps: acquiring vehicle information,wherein the vehicle information is collected by expressway monitoring equipment when a vehicle is driven through an entrance or an ETC channel of a toll station and comprises a license plate number and a starting time of the vehicle; and calculating resting time of the vehicle, calculating driving time by virtue of the starting time, real-time time and the resting time, and if the driving time islarger than a preset time threshold, sending remaindering and warning information to expressway monitoring display equipment. According to the technical scheme disclosed by the embodiment of the invention, the collection of vehicle information, the calculation of the driving time and the judgment of fatigue driving are finished by virtue of existing equipment on the expressways, the attention ofthe drivers is induced by virtue of the remaindering and warning information, so that the probability of traffic accidents caused by the fatigue driving is reduced.

The invention relates to an expressway construction work zone vehicle speed control hierarchical early warning system and belongs to the road traffic signal control field. The objective of the invention is to solve the problem of the incapability of existing expressway construction work zone traffic facilities to adaptively adjust markers. A vehicle speed acquisition module is arranged at a position which is separated from a warning zone for a set distance, at the warning zone, an upstream transition zone and a buffer zone respectively and is used for acquiring current vehicle speed information and feeding back acquired vehicle speed information to an early warning signal output module; the early warning signal output module receives the vehicle speed information transmitted by the vehicle speed acquisition modules, and obtains maximum vehicle speed through comparison, and compares the maximum vehicle speed with a set early warning degree so as to be obtain early warning hierarchical information, and then, transmits the early warning hierarchical information to an information release module in real time; and the information release module is arranged in the buffer zone and is used for releasing the early warning hierarchical information obtained by the early warning signal output module in real time. The expressway construction work zone vehicle speed control hierarchical early warning system of the invention is use for road traffic signal control.

The invention relates to an electric vehicle, especially an electric vehicle with two wheels distributed in the front and rear. Integrating the technology of contemporary front and rear two-wheeled electric vehicles and one-wheeled electric balance vehicles, it aims to develop a new electric vehicle structure and achieve the purpose of multi-purpose vehicles. The present invention is mainly composed of a main vehicle body with removable front and rear wheels and two unicycle balance vehicles. The front and rear unicycles are self-powered and run on two-wheel drive; auxiliary wheel systems are installed on both sides of the main body, which can replace the rear wheels on the ground to assist the body, and are driven by the front wheels; and the front and rear wheels can be used interchangeably, which is easy to disassemble and assemble . The invention can be freely combined into one-wheel, two-wheel and three-wheel driving according to road conditions, greatly improves the use range of electric vehicles, increases the utilization rate of electric vehicles by the public, and becomes a new travel mode.

An automobile doctor cloud platform intelligent diagnosis system disclosed by the present invention is characterized in that an automobile detector obtains the automobile ECU data via an automobile diagnosis port, the data is sent to an automobile doctor cloud platform via the internet, the automobile doctor cloud platform calculates an automobile maintenance suggestion report, and the automobilemaintenance suggestion report is pushed to an automobile maintenance man or an automobile owner via the internet. According to the present invention, the automobile detector obtains the automobile ECUdata, the data is sent to an automobile doctor cloud intelligent analysis platform, and the cloud platform identifies the vehicle type configuration information automatically according to the automobile ECU data, and then the automobile maintenance suggestion of a vehicle type is calculated in a database retrieval or calculation manner, wherein the automobile maintenance suggestion comprises butis not limited to the information, such as the fault reports, the driving habit analysis, the upkeep suggestion, the maintenance suggestion, the upkeep and maintenance prices, the maintenance man-hoursuggestion, the dismounting graphical representation, etc., so that the automobile maintenance becomes more intelligent and transparent.

The embodiment of the invention discloses a prompt device and a prompt system for road construction, the prompt system comprises a plurality of road side units RSU, and a server, wherein the pluralityof road side units are mutually arranged at intervals and used for receiving positioning information which is sent by the prompt device and used for identifying own position; and the server is used for determining a prompt road section according to the positioning information and consequently controlling the road side units in the prompt road section to perform prompt for vehicles passing throughthe prompt road section. The prompt device and the prompt system provided by the embodiment of the invention have the following advantages: the prompt device for road construction is provided with apositioning module and a DSRC module, acquires own positioning information through the positioning module and sends the positioning information to nearby road side units, the nearby road side units upload the positioning information to the server, the server prompts the vehicles at the construction affected road section according to the provided positioning information, thus, construction early warning is realized, enough safe reaction time is provided for drivers, and probability of traffic accidents is reduced.

The embodiment of the invention provides a brake fault detection method and device. The method comprises the steps: obtaining a current acceleration of a target vehicle and current brake parameter information related to a brake handle; acquiring a target acceleration range corresponding to the current brake parameter information related to the brake handle according to a preset corresponding relationship between the brake parameter information and the acceleration range; and according to the obtained current acceleration of the target vehicle and the target acceleration range, detecting whether the brake of the target vehicle has a fault or not. Through the method, manual participation is not needed so that reduction of a manual workload is facilitated.

The invention provides an automobile safety management system and an automobile safety management method. The automobile safety management system comprises a starting module, an identity reading module, an identity authentication module, a transmission module and an identity recording module, wherein the identity reading module is used for reading identity information; the identity authentication module is used for receiving the identity information output by the identity reading module; the transmission module is used for receiving the identity information output by the identity authentication module; the identity recording module is used for receiving the identity information output by the transmission module; the identity authentication module is also used for outputting a starting signal to the starting module. The management method comprises the steps that the identity information is obtained by the identity reading module; after the identity information which is output by the identity reading module is received by the identity authentication module, and the identity information is judged to be legal identity, the identity authentication module outputs the starting signal to the starting module, an automobile is started by the starting module, the identity information is output to the identity recording module by the identity authentication module through a communication module, and a driver is monitored by a server in real time. Therefore, the behavior constraining force and the sense of responsibility of the driver are improved, and the traffic accident rate is greatly reduced.

The invention provides a vehicle driving early warning device in a fog installed on a vehicle. The device comprises a ranging radar sensor, a laser radar visibility meter, a GPS speed measuring module, and an integration control unit. The ranging radar sensor transmits a radio wave to a front detection area, and by using the received time delay of a target reflection signal and an emitting signal, a front target distance is measured. The laser radar visibility meter can be used to measure a current visibility indicator. The GPS speed measuring module obtains a vehicle absolute speed by using a real-time GPS signal. The integration control unit carries out processing and obtains the safety state of vehicle operation according to the information outputted by the ranging radar sensor, the laser radar visibility meter, and the GPS speed measuring module and carries out early alarming. According to the vehicle driving early warning device, the safety factor of driving of a driver in a fog can be improved, and traffic accidents caused by weather can be reduced.

The invention discloses a car light conversion device which comprises an information acquisition circuit and a light control circuit that are electrically connected with each other. The information acquisition circuit outputs a control signal used for controlling the light control circuit, and then the light control circuit is used for controlling far beam and low beam of the car light. After the car light conversion device is installed on a car, therefore, the manual conversion of a high beam and a low beam light is changed into an automatic process. The car light can be automatically shifted to low beam when the distance between two cars is comparatively short, so that a driver can easily identify the car spacing, which can greatly reduce the probability of traffic accidents.