98results about How to "Reduce the risk of traffic accidents" patented technology

The invention is applicable to the technical field of communication and provides a method and a system for achieving driving safety early warning. The method for achieving the driving safety early warning includes the following steps: after being collected by an intelligent mobile unit of each vehicle, first vehicle driving information is uploaded to a cloud server; the cloud server first grades driving behaviors of each driver in a preset time period according to the first vehicle driving information, so that driving grading data of the vehicle driven by each driver are obtained; then driving grading data of other vehicles in a current vehicle peripheral preset range in a previous preset time period are obtained according to received longitude and latitude data of the current vehicle location; finally, when the driving grading data are lower than a preset driving grading value, second vehicle driving information of a vehicle with unsafe driving behaviors is sent to the intelligent mobile unit of the current vehicle to warn the driver of the current vehicle to drive carefully. The method and the system for achieving the driving safety early warning are simple in implementation and capable of effectively reducing traffic accident risks.

The invention relates to a zebra crossing pedestrian monitoring and warning device based on laser inspection. The current devices have bad using effects. The device of the invention comprises a pedestrian monitoring device, a control box and signal lamps, wherein the pedestrian monitoring device comprises two trigger gates respectively arranged at the start and end of a zebra crossing; each trigger gate comprises a laser emission column and a laser pick-off column arranged on a sidewalk respectively at two ends of the zebra crossing; the laser emission column of each trigger gate emits laser beam and the laser pick-off column of each trigger gate picks off the laser beam; when a pedestrian passes through the trigger gates, the laser beam is cut off; two rows of signal lamps are respectively arranged at two sides of the zebra crossing; and the control box is arranged on a telegraph pole of the sidewalk. The device of the invention adopts the pedestrian monitoring systems arranged at two ends of the zebra crossing, and each pedestrian monitoring system is additionally provided with a passing in and out direction judging function, thereby improving the efficiency of system operation. The device of the invention is more conductive to remind drivers to avoid collision to reduce hidden danger of traffic accidents.

The invention discloses a GPS data-based highway vehicle abnormal behavior detection method comprising the following phases in a data obtaining phase, vehicle dynamic information is obtained via a vehicle-mounted GPS device; in a data processing phase, coordinate data under a Gauss coordinate system is obtained after coordinate conversion operation is performed on the vehicle dynamic information;in a feature extraction phase, converted vehicle dynamic parameter features are extracted according to coordinate data of different times; in an identification and early warning phase, a standard deviation method and a neural network are adopted for identifying vehicle behaviors according to the vehicle dynamic parameter features, and identified vehicle abnormal behaviors are subjected to graded early warning operation. According to the method, a vehicle abnormal driving behavior state can be detected in real time on a highway merely via the vehicle-mounted GPS device, prevention of secondaryhighway accidents can be facilitated, a congestion degree of the highway can be lowered, vehicle delay can be reduced, highway operation efficiency can be improved, and an aim of low carbon and safe trips can be attained.

The invention discloses a navigation method and device for solving the problems that a user takes a roundabout way or the risk of traffic accidents is increased because of navigation information provided by navigation device in the prior art. The method comprises the steps of determining the current road segment from road segments included in a navigation route, determining navigation steering action information at an intersection of the current road segment, determining a lane steering action permission information of which is matched with the navigation steering action information from lanes included by the current road segment, and offering the identification information of the determined lane to the user. According to the method, the navigation device can offer the information of the lane to be arrived for the user, the user can immediately change to a right lane according to the information for avoiding conditions of taking a detour and changing the lane illegally, and the risk of the traffic accidents is effectively reduced.

The embodiment of the invention discloses an electronic-controlled braking system and a control method and device thereof. The control method comprises the following steps that when a signal of a pedal travel sensor is detected to be stable, a first movement time of a gear rack is recorded, a target position of the gear rack is determined according to the signal of the pedal travel sensor, and a first time threshold value is determined according to the target position; when the first movement time reaches the first time threshold value, a current position of the gear rack is obtained; the deviation between the current position and the target position is determined; when the deviation exceeds the given control accuracy threshold of a main control loop, an auxiliary control loop is adopted to replace the main control loop to conduct braking treatment, and the problem that vehicles are unable to restart caused by the electronic-controlled braking system (EBS) being forced to brake or braking difficulty caused by the EBS being forced to cut off power after the traditional EBS algorithm is abnormal is avoided; and manipulative capability of the vehicles is guaranteed through the redundant electronic-controlled algorithm framework, and the risk of traffic accidents of the vehicles is reduced.

The invention discloses a fatigue state detection method. According to the method, electroencephalogram signals and winking signals of a driver are collected for joint judgment of the mental state of the driver, and fatigue alarm signals are fed back to the driver. The method comprises the following steps: collecting the electroencephalogram signals and the winking signals by utilizing a MindWave Bluetooth electroencephalogram headset; conducting feature extraction and artifact elimination on an original electroencephalogram signal Rawdata by discretizing short-time Fourier transform; comparing the obtained low alpha, high alpha, and theta waves with electroencephalogram signals in the normal state, so as to obtain three electroencephalogram fatigue parameters; adding the electroencephalogram fatigue parameters together by weight, and combining the winking frequency of the driver with the adding result to obtain five mental features: normal, slight fatigue, fatigue, too much fatigue and severe fatigue; feeding back the corresponding fatigue alarm signals to the driver through a smart phone, so as to remind the driver to have a rest in time. The method combines electroencephalogram and the winking frequency for fatigue detection, so as to enhance the precision and the robustness of system detection, and has such characteristics as convenient wearing of the MindWave Bluetooth electroencephalogram headset and high efficiency.

The invention relates to a large vehicle operation management system capable of achieving positioning and an operation method thereof. The system comprises a communication positioning system and a video image processing system. The communication positioning system positions a vehicle in real time and obtains the position information of the vehicle. The video image processing system carries out panoramic stitching on images shot by multiple cameras. The images, on which panoramic stitching is carried out, shot by the multiple cameras and the position information of the corresponding vehicle are periodically uploaded to a background management platform, wherein the position information comprises longitude coordinates and latitude coordinates. Due to the fact that panoramic stitching is carried out on the images shot by the multiple cameras, a vision blind zone is eliminated. The vehicle is positioned in real time, meanwhile, the images shot by the multiple cameras are uploaded to the background management platform, vehicle operation management work is better achieved, the practicability is high, the needed hardware is low in cost, and the system is easy to achieve and suitable for large-scale popularization.

The invention discloses a fatigue driving reminding method and device, and a storage medium, and belongs to the technical field of vehicle engineering. The method includes: acquiring eye information and head information of a driver, and driving information of the driver driving a car; determining a driving state of the driver on the basis of the eye information, the head information, and the driving information of the driver; and using a vehicle-mounted playback device to perform fatigue driving reminding when the driver is in a fatigue driving state. The imethod determines the current driving state of the driver according to the eye information, the head information and the driving information of the driver, and performs fatigue driving reminding when the driver is in the fatigue drivingstate, thereby lowering the risk of traffic accidents due to fatigue driving of the driver and improving the safety of driving of the driver.

The invention discloses a traffic accident reduction vehicle regulation and control method based on traffic data and weather data. The method comprises the following steps of 10) obtaining traffic information of an accident road section before an accident happens; 20) obtaining weather information of the accident road section before the accident happens; 30) collecting the traffic data and the weather data of the accident road section under normal states; 40) building a traffic flow data total sample; 50) building a traffic accident probability relation after standardization; 60) detecting traffic accident probability of the road section, and regulating and controlling vehicles; and 70) repeating the step 60), and conducting detection of the traffic accident probability of the road section at next set time T until detection is finished. The vehicle regulation and control method utilizes traffic flow detection equipment to obtain real-time traffic data, utilizes an environment weather station to obtain the weather data, detects traffic accident probability of an expressway in real time, conducts regulation and controlling on the vehicles and reduces the traffic accident.

The invention provides a method and device for controlling an AMT gear selecting and shifting executing mechanism. The method and device are applied in the gear selecting and shifting process, and the control method includes the steps of determining that gear shifting is failed, judging whether a gear selecting position sensor breaks down or not, controlling a gear shifting finger to move to the position, corresponding to a target gear, of the gear shifting finger in the gear selecting direction in a first driving time mode to complete the gear selecting process if the gear selecting position sensor breaks down, judging whether a gear engaging position sensor breaks down or not, and controlling the gear shifting finger to move to the position, corresponding to the target gear, of the gear shifting finger in the gear engaging direction in a second driving time mode to complete the gear engaging process if the gear engaging position sensor breaks down. In this way, by means of the control method, whether the position sensor breaks down or not can be timely found, remedial actions can be taken after it is found that the position sensors break down, the gear of a vehicle can be engaged in time, the problem that the gear of the vehicle cannot be engaged for a long time, so that power is off is solved, and the risk of road accidents is reduced.

The invention relates to a haydite asphalt pavement material and a method for paving road surface by using the haydite asphalt pavement material, in particular to an asphalt pavement material and a method for paving the road surface. The invention solves the problems that the majority of the prior roads are non-permeability road surface without pollution-controlled function; at the same time, runoff production quantity of the road is high, and degradation of organic pollutants is weak, which leads to serious pollution by directly discharging the pollutants into water; supplement effect to groundwater is weak and water fog is easily generated to cause traffic accidents. The pavement material in the invention consists of asphalt, light haydite and ore aggregate. The method for paving the haydite asphalt road surface comprises the following procedures that I. the asphalt, the light haydite and the ore aggregate are weighed; II. mixture of the haydite and asphalt is prepared through mixing; and III. the obtained substance is then stirred, mixed, paved and rolled to obtain the haydite asphalt road surface. The road surface paved by the haydite asphalt pavement material of the invention can prevent water fog from generating on an expressway, and thus reducing hidden troubles of the traffic accidents; the invention also effectively supplements groundwater to solve the problem of water resource shortage of our country, and has decontamination function.

The invention relates to the technical field of vehicle braking, in particular to an auxiliary brake device for a trailer and the trailer. The trailer comprises a tractor and a trailing carriage. The auxiliary brake device for the trailer comprises differential mechanisms, a transmission shaft, an auxiliary brake and a control switch for controlling the work state of the auxiliary brake. The differential mechanisms are connected with axles of the trailing carriage, one end of the transmission shaft is connected with the differential mechanisms, the other end of the transmission shaft is connected with the auxiliary brake, and the auxiliary brake is connected with a frame of the trailing carriage. Braking force generated by the auxiliary brake is transmitted to the differential mechanisms through the transmission shaft and then transmitted to the axles of the trailing carriage from the differential mechanisms, auxiliary braking force is provided for the trailer, the braking performance of the trailer is improved, and the risks of traffic accident occurrence are reduced.

The invention discloses a vehicle regulation and control method based on dangerous traffic flow characteristics under a sunny condition. The method comprises a first step of obtaining traffic information in an accident road section; a second step of collecting accident group traffic data under a sunny condition; a third step of collecting normal group traffic data under the sunny condition; a fourth step of building a traffic flow data total sample; a fifth step of building an initial traffic accident probability relational expression; a sixth step of confirming a standardized traffic accident probability relational expression under the sunny condition; a seventh step of detecting probability of traffic accident occurrence of the road section under the sunny condition, and regulating and controlling vehicles; and an eighth step of repeating the seventh step, collecting a traffic flow parameter in a next set time T, and judging the probability of the traffic accident occurrence of the road section until detection is finished. The vehicle regulation and control method detects the probability of the traffic accident occurrence on freeways in real time, and regulation and control to vehicles are achieved, and number of traffic accidents is reduced.

The invention relates to an Android vehicle navigation global voice control device and an Android vehicle navigation global voice control method. The device comprises a central processing module, a storage module, an application program interface module, a voice input module, a voice recognition module and a semantic analysis module, wherein the voice input module receives voice input; the voice recognition module is used for converting voice into text information; the semantic analysis module performs semantic analysis on the text information to extract key information; the central processing module is used for comparing the key information with a prestored instruction in the storage module to obtain a target instruction corresponding to the key information, and performing the target instruction by calling an application program by use of the application program interface module. A user can perform a series of operations by inputting voice into the Android vehicle-mounted system just by speaking without learning and memorizing any defining command; feedback also can be realized in a voice broadcasting manner. The Android vehicle navigation global voice control device is capable of greatly reducing the complexity of operations and reducing the risks of traffic accidents during driving to a large extent.

The invention discloses a vehicle regulating and controlling method for reducing traffic accidents under raining conditions. The vehicle regulating and controlling method includes the following steps: a step 10 is that traffic accident information about an accident section is obtained; a step 20 is that accident group traffic data and weather data under the raining conditions are collected; a step 30 is that normal group traffic data and weather data under the raining conditions are collected; a step 40 is that a traffic flow data overall sample under the raining conditions is established; a step 50 is that an initial traffic accident probability relational expression is established; a step 60 is that a calibrated traffic accident probability relational expression is established; a step 70 is that the probability of occurrences of traffic accidents under the raining conditions is detected, and vehicles are regulated and controlled; and a step 80 is that the step 70 is repeated, the traffic flow parameter and information about the rainfall intensity in a next preset time T are collected, and the judgment on the probability of the occurrences of the traffic accidents on the accident section is carried out until the detection is finished. Through the vehicle regulating and controlling method, the probability of the occurrences of the traffic accidents on a high-speed road under the raining conditions can be detected in real time, the vehicle can be regulated and controlled, and therefore the traffic accidents are reduced.

The invention discloses a parking control system used for an electric automobile. The parking control system comprises a P-gear parking ECU, an electronic parking ECU, an EPB backup ECU and an EPB executer used for controlling a pair of calipers to act. Both the electronic parking ECU and the EPB backup ECU can control the EPB executer, the priority of control conducted by the electronic parking ECU on the EPB executer is larger than the priority of control conducted by the EPB backup ECU, the EPB backup ECU only controls the EPB executer when the electronic parking ECU reports an error or sends no signal, a driver executes a P-gear parking action and a wheel speed signal is not zero, and the electric automobile is parked. P-gear parking has an actual effect, double parking guarantees of P-gear parking and a hand brake are achieved, so that the P-gear parking reliability and safety are improved, and the risks of traffic accidents caused by parking failure are reduced.

The invention discloses a manhole cover recess detection method based on an intelligent terminal. The manhole cover recess detection method comprises the steps: obtaining a front road surface image when the intelligent terminal moves, and recognizing whether the road surface image contains a manhole cover or not; when the well lid is identified, acquiring an acceleration value of the intelligent terminal when the intelligent terminal passes through the manhole cover; and inputting the acceleration value into a trained sinking degree identification model to obtain a manhole cover sinking degreegrade corresponding to the acceleration value. According to the manhole cover recess detection method, the manhole cover can be recognized through the intelligent terminal camera; the sinking degreeof the manhole cover is graded through the accelerated speed; the sinking of the pavement manhole cover can be conveniently and quickly detected, and the detection period is short, and the detection efficiency of the pavement manhole cover is effectively improved; no hardware facility needs to be added; convenience is brought to detection; the manhole cover is positioned and shared; the pavement condition can be predicted in advance; traffic accident hidden dangers are reduced; the intelligence of the terminal is improved; and convenience is brought to users. In addition, the invention also discloses an intelligent terminal and related equipment.

The invention discloses a driver standard driving monitoring method and monitoring platform for a vehicle operation and maintenance enterprise. The method comprises the following steps that 1, real-time position information of the two hands of all drivers in the vehicle operation and maintenance enterprise on a steering wheel is collected; 2, the real-time position information of the two hands ofthe driver on the steering wheel is transmitted to a data analysis center of the vehicle operation and maintenance enterprise; 3, the positions of the hands of all the drivers in the steering wheel are selected and displayed in real time in the data analysis center, historical data of the positions of the hands of the drivers in the steering wheel in any time period are counted, and driving habitsof the drivers in any time period are evaluated or driving evaluation reports of the drivers are generated. According to the invention, the driving behavior of the driver can be monitored and evaluated in real time, traffic accidents can be greatly reduced, and the loss of vehicle operation and maintenance enterprises is reduced.

The invention discloses a vehicle controlling method for reducing traffic accidents in a foggy weather state. The method comprises the following steps: (10) basic information of an accident road section is acquired; (20) accident-group traffic data and accident-group weather data are collected in the foggy weather state; (30) normal-group traffic data and normal-group weather data are collected in the foggy weather state; (40) a total traffic flow data sample in the foggy weather state is set up; (50) a traffic accident discrimination function in a primary foggy weather state is set up; (60) a traffic accident discrimination function in a standardized foggy weather state is confirmed; (70) discrimination function values of the situation that traffic accidents happen in the foggy weather state is detected and vehicles are controlled; and (80) the step (70) is repeated, traffic accident discrimination function values of a next given time are detected until detection is finished. The vehicle controlling method detects the discrimination function values of the situation that traffic accidents happen in the foggy weather state in a motorway in real time, controls the vehicles, and reduces traffic accidents.

The invention discloses a WeChat applet-based street lamp control system and relates to the technical field of street lamp control. The street lamp control system comprises a street lamp control device, a cloud platform and a mobile terminal WeChat applet, wherein the street lamp control device is used for collecting data information, analyzing and processing the data information, wirelessly transmitting the data information to the cloud platform and carrying out data statistics and storage; and a user views data of the cloud platform through the WeChat applet and knows current street lamp state information. According to the WeChat applet-based street lamp control system disclosed by the invention, on one hand, whether street lamps normally work or not is judged through voltage and currentvalues, so that monitoring and maintenance of the street lamps are facilitated; and on the other hand, the current road state is known according to the air quality and the light brightness, whether the street lamps are turned on or not is judged, the brightness of the street lamps is determined, on / off of the street lamps is reasonably controlled and the brightness is adjusted. The WeChat applet-based street lamp control system plays roles in reasonably monitoring and maintaining the street lamps and reducing the construction difficulty, and is capable of reducing resource waste and reducingthe risk of a traffic accident.

The invention relates to a front windshield assembly and a vehicle using the front windshield assembly. The front windshield assembly comprises a transparent front windshield and a transparent column A which is integrally formed with the front windshield, wherein the lower end of the column A is provided with a lower connection structure which is used for connecting with the vehicle body; and both the front windshield and the column A are transparent. Compared with the prior art, the front windshield assembly eliminates the blind zones of driving, enhances the driving safety, and reduces the traffic accident risks. The front windshield and column A are integrally formed, so that no mounting structure on the column A for mounting the front windshield is needed. The column A and front windshield have the same thermal expansion coefficient, thereby avoiding the problem of the sealing failure between the column A and front windshield in the prior art, ensuring the high strength and rigidity of the integral front windshield assembly, and ensuring the use safety.

The invention provides a combined instrument system capable of shielding mobile phone signals for a vehicle. The system comprises a vehicle brake control module (BSM) for acquiring speed signals, a body control module (BCM) connected with the BSM, a combined instrument connected with the BCM, and a system switch, wherein the combined instrument is provided with a microprocessor and can read the speed signals and perform logic judgment on the received data, and a radio transmission module for transmitting radio signals is also arranged in the combined instrument; and when the switch is started and the speed is more than 5km / h, the radio transmission module is activated to transmit the mobile phone shielding signals. The system has stable working performance, simple structure and low cost, and can effectively reduce the risks of traffic accidents.

The embodiment of the invention relates to the field of new energy vehicles, and discloses a load holding circuit applied to a battery management system, which comprises a first microcontroller, a second microcontroller, a logic unit and a driving unit, wherein the first microcontroller and the second microcontroller are electrically connected to the input end of the logic unit; the output end ofthe logic unit is electrically connected to the control end of the driving unit; the output end of the driving unit is electrically connected to the control end of a load circuit in a battery pack high-voltage loop; yhe logic unit is used for outputting a load maintaining signal to the driving unit according to signals output by the first microcontroller and the second microcontroller when at least one of the first microcontroller and the second microcontroller has a reset fault; and the driving unit is used for controlling the load circuit to be in a load holding state under the control of the load holding signal output by the logic unit, so as to solve the problems that the relay is disconnected unexpectedly, the vehicle loses power suddenly and traffic accidents are caused under the condition that the control signal of the relay is lost.

The invention relates to a heart sound intelligent monitoring device for vehicle active safety. The heart sound intelligent monitoring device mainly comprises a heart sound pickup probe array, a signal processing circuit, an indication lamp, a lithium battery and a sound insulation cavity with a nylon sleeve tape; the heart sound intelligent monitoring device is installed on a vehicle safety belt and can be adjusted vertically along the safety belt. The bottoms of heart sound pickup probes in the device are padded with memory materials, and the heart sound pickup probes are arranged in an arrayed manner and arranged in the sound insulation cavity capable of being deformed according to contact faces. By means of the heart sound intelligent monitoring device, heart physical conditions of a driver can be monitored in real time in the traveling process; meanwhile, the heart sound intelligent monitoring device can be fused with other driver fatigue detection systems and other active safety systems; the reliability of a vehicle traveling safety monitoring system is further improved; and the heart sound intelligent monitoring device is of positive significance in crowds such as advanced-age vehicle drivers and vehicle drivers with potential heart diseases.

The invention relates to a train operation plan adjusting method and system. The method comprises steps that a formal train operation plan is formulated according to an intersection road annunciator control plan and the train running information, and the train operates according to the formal train operation plan, whether the formal train operation plan needs to be adjusted or not is judged according to an intersection train signal machine current state obtained in real time, if yes, the adjustment opportunity of the formal train operation plan is judged according to the train current information. The train operation plan adjusting method is advantaged in that the situation that the train stops at the intersection under the normal operation condition can be eliminated, plan adjustment canbe conducted before the train passes through the intersection, the punctuality rate is increased, kinetic energy losses and equipment abrasion are reduced, riding experience is improved, and traffic accident hidden dangers are reduced.

The invention discloses a video call method, a device and a storage medium. The method is applied to a vehicle-mounted terminal connected with a manual control device; the method comprises the following steps: receiving a first input from the manual control device, wherein the manual control device is provided with at least one mechanical button; and initiating a video call with a contact object based on the first input, or answering a video call initiated by the contact object. By adoption of the video call method, the device and the storage medium provided by the invention, a user can manipulate the vehicle-mounted terminal through the manual control device to initiate the video call with the contact object or answer the video call initiated by the contact object, the manual control device is provided with the mechanical button, the user can operate the button by the touch of a hand without the help of eyes, the user does not need to lower the head for operation, and can manipulate the vehicle-mounted terminal just by one hand or initiate or answer the video call, so that the driving safety is improved, and the risk of traffic accidents is reduced.

The invention relates to a chain type braking device of a heavy vehicle. The chain type braking device comprises a brake bottom plate, a brake shoe and a brake wheel. One end of the brake shoe is hinged to the brake bottom plate. The outer circumferential face of the brake wheel is matched with the inner circumferential face of the brake shoe. The other end of the brake shoe is matched with a linkage mechanism. The linkage mechanism comprises a linkage shaft, a left connection plate and a right connection plate. The left connection plate and the right connection plate are symmetrically arranged at the two ends of the linkage shaft. The end face of the outer side of the brake wheel is connected with a transition disc and is connected with a hub through the transition disc. The chain type braking device is reliable in brake performance, good in cooling effect and high in applicability.

The invention discloses a landslide stress cracking type monitoring system applied to mountain roads. A landslide monitoring network for a mountain body can be formed by embedding and inserting the stress crack monitoring rods. The system is based on the characteristic that landslide cracks horizontally and then slides down vertically. Through tensile force of mountain soil layer cracking, the cracking part of the cracking detection rod is stretched, and early warning of the landslide is realized by taking the result as a triggering condition. Meanwhile, the severity degree of the landslide can be judged according to the cracking part. Subsequent targeted preparation of rescue and emergency work is facilitated. On one hand, information is sent to a cloud platform server for a remote monitoring center to quickly know, on the other hand, an alarm is given in real time to remind passing vehicles. The system is simple to erect and low in cost, the traditional power supply problem is solvedby collecting solar energy and converting the solar energy into electric energy, the system is not limited by the geographical environment, the monitoring work amount is small, the monitoring difficulty is low, unmanned intelligent automatic monitoring is achieved, the safety degree is high, and early warning is timely.

The invention discloses a vehicle, a display device and a rotating mechanism. The rotating mechanism comprises a first connecting piece, a second connecting piece and a third connecting piece, whereinthe first connecting piece is provided with a first rotating part arranged in a first direction, the second connecting piece is provided with a second rotating part arranged in the first direction and a third rotating part arranged in a second direction, the second rotating part is used for rotating and friction-fitting with the first rotating part, the second direction is perpendicular or approximately perpendicular to the first direction, and the third connecting piece is provided with a fourth rotating part arranged in the second direction, and the fourth rotating part is used for rotatingand friction-fitting with the third rotating part. The rotating mechanism facilitates the use of a display screen and improves the driving experience feeling, and therefore, the display screen of thedisplay device adopting the rotating mechanism is convenient to use, and the driving experience feeling of the vehicle adopting the display device is high.