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

Device and method for detection of violation of front vehicle and early warning of violation of vehicle on road

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.
Owner:WUHAN JIMU INTELLIGENT TECH CO LTD

Intersection vehicle intelligent cooperative passage method

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.
Owner:HUNAN UNIV

Fuzzy control based automotive intelligent cruise assisted driving system control method

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.
Owner:LIAONING UNIVERSITY OF TECHNOLOGY

Drive early-warning method based on pulse condition diagnosis mode

InactiveCN102961126AReal-time monitoring of characteristic signalsJudging mental stateDiagnostic recording/measuringSensorsTraffic accidentEngineering
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.
Owner:FUJIAN UNIV OF TECH

Automobile and panoramic visible system thereof

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.
Owner:CHERY AUTOMOBILE CO LTD

LiFi-and-DLP-based automotive illumination system and vehicle illumination signal device hereof

The invention relates to function features or parts of a vehicle illumination signal device or system, provides an LiFi-and-DLP-based automotive illumination system and a vehicle illumination signal device hereof. An LED main light source is used as a sending light source of a light fidelity (LiFi) sending assembly to send driving data of a vehicle out. A built-in LiFi receiving assembly is used for receiving a light signal sent by an opposite-side vehicle; decoding is carried out to obtain driving data of the opposite-side vehicle; and the data are transmitted to a vehicle bus. A digital light processing (DLP) projection system based on a DMD chip is used for providing projection illumination; according to the driving data, obtained by the LiFi receiving assembly, of the opposite-side vehicle, a projection illumination area is controlled; and a phenomenon that driving security is affected by dazzling light caused by a headlamp can be avoided by adjusting a projection area of light projected to an opposite-side driver position, so that information interaction between vehicles in a vehicle light signal reaching range is realized. A driving state of an adjacent vehicle is estimated and thus early warning of a vehicle collision accident is realized, thereby reducing the probability of a traffic accident effectively.
Owner:HASCO VISION TECHNOLOGY CO LTD

Safe driving intelligent reminding method

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.
Owner:HUIZHOU KAIYUE ELECTRONICS

Motorcade formation driving method and system

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.
Owner:WUHU LION AUTOMOTIVE TECH CO LTD

Intelligent automobile assistant driving system and method based on real-time wireless communication network

InactiveCN102941853AImprove securityRealize real-time data sharingComputer moduleGlobal Positioning System
The invention discloses an intelligent automobile assistant driving system and method based on a real-time wireless communication network. A CPU (central processing unit) used for control and coordination nodes based on Zigbee wireless communication are set at a road traffic junction position; data processing modules, first memories, speed sensors, GPS (global positioning system) coordination positioning modules, alarms and routers based on the Zigbee wireless communication are arranged on automobiles; a real-time network is established by the coordination nodes so as to realize the sharing of data in the network; any automobile in the network can receive running state information of other automobiles in the network in real time; the data of ambient automobiles are processed and analyzed by the automobile-mounted data processing modules, and with the combination of the change of the self-automobile running state, the alarm judgment is carried out, and the alarm is started when the alarm is judged to be required to be given out. The intelligent automobile assistant driving system and method based on the real-time wireless communication network are easy to implement, high in practical applicability, low in manufacturing cost, high in security and good in real-time capability.
Owner:CENT SOUTH UNIV

Vehicle projection illumination display system based on vision processing and sensor technology

InactiveCN109572535AReduce operating costsOvercome the problem of mechanical failure and shortened lifeVehicle headlampsOptical signallingVision processingIntelligent lighting
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.
Owner:河南中远光电科技有限公司

Dynamic track spike lamp under linkage control with intersection annunciator and control method of dynamic track spike lamp

The invention discloses a dynamic track spike lamp under linkage control with an intersection annunciator and a control method of the dynamic track spike lamp. The dynamic track spike lamp comprises a column of double-face light-emitting track spike lamp bodies spaced at set intervals. Each light-emitting side face comprises red LED lamps and green LED lamps which are arranged alternately. The red LED lamps and the green LED lamps are connected with a single-chip microcomputer through control lines respectively. The track spike lamp bodies controlled by the single-chip microcomputer and the annunciator are connected with a traffic signal output port of an adjacent road. The double-face light-emitting track spike lamp bodies are laid on the two sides of a lane boundary line or zebra stripes. The dynamic track spike lamp has the beneficial effects that information of the annunciator can be displayed through the track spike lamp bodies, passing vehicles or pedestrians can judge whether to pass or not by observing track spikes on a road surface, and the situation that drivers and the pedestrians ignore observation of the lower road condition due to observation of the upper signal lamps when reaching an intersection is reduced.
Owner:SHANDONG JIAOTONG UNIV

Drunk driving limiting device

The invention discloses a drunk driving limiting device which comprises a central control processing unit, a drunk driving information informing unit, an automobile starting control unit, a drunk driving information alarm unit and at least one drunk driving information sensing unit. The central control processing unit is in communicating connection with the drunk driving information sensing units, the drunk driving information informing unit, the automobile starting control unit and the drunk driving information alarm unit and is used for receiving identity information, used for sensing drivers, from the drunk driving information sensing units and judging whether alcohol concentration data exceeds the standard or not and whether the automobile starting control unit is operated to send a cutting-off signal, and the drunk driving information informing unit informs preset contacts of the sensed identity information of the drivers and the alcohol concentration data. The limiting device can effectively judge whether drivers are in a drunk driving state or not, determines to cut off an automobile engine ignition system or not according to the states of the drivers and accordingly can nip in the bud and thoroughly limit drunk driving.
Owner:HECHI UNIV

Driver risk preference behavior diagnosis system

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.
Owner:TSINGHUA UNIV

A kind of highway traffic accident prevention and control internet of things and method

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.
Owner:JIANGSU SUMEILUN INTELLIGENT TECH

Navigation device-combined control system for automobile

The invention provides a navigation device-combined control system for an automobile, which combines a navigation system with the function operation of an automobile. The control system for the automobile comprises a signal receiver, a navigation device, an input module, a display module and electric power supply modules for the automobile, wherein the signal receiver is used for receiving a satellite signal in a global positioning system; the navigation device generates corresponding navigation information according to position data input by a user; the navigation information is matched with an electronic map to guide the travelling direction of a user and position the current position on the electronic map according to the satellite signal; the input module and the display module are respectively arranged on a steering wheel so as to enable a driver to rapidly operate a navigation system for the automobile in addition to displaying the electronic map and an input operation command; and the electric power supply modules for the automobile are respectively used for supplying electric power needed by all modules.
Owner:MITAC COMP (SHUN DE) LTD

Automobile high beam and low beam automatic switching and networking system capable of adjusting illumination angle in real time

ActiveCN108928292AIncrease or decrease signal strengthEasy to controlOptical signallingRadarTraffic accident
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.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY

Device and method for prevention and control of road traffic accidents

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.
Owner:JIANGSU SUMEILUN INTELLIGENT TECH

Deicing and snow melting system utilizing terrestrial heat in tunnel

ActiveCN104594156ASignificant economic and social benefitsImprove road safety issuesLighting and heating apparatusGeothermal energy generationService qualityTraffic accident
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.
Owner:CHONGQING JIAOTONG UNIVERSITY

Method, device and system for preventing fatigue driving of drivers on expressways

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.
Owner:ZHONGKE DINGFU BEIJING TECH DEV

Expressway construction work zone vehicle speed control hierarchical early warning system

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.
Owner:严格集团股份有限公司

Driver state monitoring device based on computer vision

The invention discloses a driver state monitoring device based on computer vision. The device comprises at least one vehicle-mounted camera for acquiring a real-time face image of a driver and recording acquisition time; edge equipment used for processing the input image and time data, and composed of the following steps: calculating a real-time face image of the driver according to a face recognition algorithm and outputting a face recognition result; inputting the face recognition result into a deep neural network for processing to obtain an expression recognition result; taking the expression recognition result and the corresponding acquisition time as expression data, and sequentially recording the expression data into an expression database; and obtaining a plurality of expression data from an expression database, and obtaining a judgment result of emotion recognition and fatigue degree of the driver according to analysis. According to the invention, grading judgment and processing can be carried out according to the driver state and the on-site condition, interactive high-risk vehicle supervision linkage can be realized, the response time is effectively shortened, and the traffic accident rate is reduced.
Owner:HOHAI UNIV

Combined three-body two-wheel driving electronic vehicle

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.
Owner:刘炳瑞

Driver two-hand position detection alarm system and method and vehicle based on same

The invention discloses a driver two-hand position detection alarm system and a method and a vehicle based on the same. The driver two-hand position detection alarm system comprise a pressure acquisition module, an abnormality detection module, an alarm prompt module and a brake control module, wherein the pressure acquisition module is connected with the abnormality detection module, the abnormality detection module is connected with the alarm prompt module, and the alarm prompt module is connected with the brake control module; the pressure acquisition module is used for acquiring pressure signals, received by a steering wheel, of the positions of the hands of a driver; the abnormality detection module is used for judging whether the positions of the hands of the driver are abnormal or not; when the abnormality detection module judges that the positions of the hands of the driver are abnormal, the alarm prompt module is started; the brake control module is used for reading the judgment result of the abnormality detection module, and when it is read that the positions of the hands of the driver are still be abnormal, the brake control module controls a brake system to stop automatically and emergently. Abnormal driving behaviors of both hands of a driver can be detected, the driver can be warned of safe driving before the automobile is in danger, and the probability of trafficaccidents of the automobile is reduced.
Owner:SHAANXI UNIV OF SCI & TECH

Automobile doctor cloud platform intelligent diagnosis system

InactiveCN108181892AIntelligent and transparent maintenanceImprove maintenance efficiencyElectric testing/monitoringThe InternetDiagnostic system
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.
Owner:深圳市轩宇车鼎科技有限公司

Prompt device, road side unit and prompt system for road construction,

InactiveCN110033630AAdequate safety response timeRealize construction early warningRoad vehicles traffic controlDriver/operatorTraffic accident
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.
Owner:SHENZHEN CHENGGU TECH CO LTD

Brake fault detection method and device

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.
Owner:广州骑安科技有限公司

Automobile safety management system and automobile safety management method

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.
Owner:李建彪

Vehicle driving early warning device in fog

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.
Owner:郭佩文

Method for preparing hot-melt quick-drying colorful pavement antiskid paint

The invention discloses a method for preparing a hot-melt quick-drying colorful pavement antiskid paint. The preparation process comprises the following steps of: (1) putting modified thermoplastic acrylic resin together with smashed and sieved aggregate, plasticizer, pigment and stuffing into a hot-melt kettle and uniformly stirring the mixed materials; (2) adding mixed granular calcium carbonate and superfine calcium carbonate powder into the hot-melt kettle; (3) adding an activated water-based paint quick-drying agent into the hot-melt kettle; and (4) fully re-stirring all the materials in the hot-melt kettle, uniformly blending the materials, detecting and packaging the mixture to obtain finished products. In the invention, the modified colorless and transparent thermoplastic acrylic resin is used as the main raw material, dioctyl phthalate serving as the plasticizer is added in the paint, so the prepared product avoids blocking and skinning phenomena, is easy to stir uniformly and short in drying time, is not adhered to tyres and has the characteristics of relative stability of color fastness, high paint bonding strength, high antiskid performance, wear resistance and the like.
Owner:徐峰

Device for converting car lamp

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.
Owner:庄伟
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