141results about How to "Reduce driving risk" patented technology

A system for automatically controlling the opening degree of an automobile window is used or automatically regulating the opening degree of the automobile window so as to control wind dryness when an automobile runs with the automobile window opened. The control system comprises a rainfall detection unit, an automobile speed detection unit, a unit for detecting the opening degree of the automobile window, an automobile window controller, an automobile window lifting executing unit and the automobile window, wherein the rainfall detection unit is used for detecting information of rainfall outside the automobile, the automobile speed detection unit is used for detecting the speed information of the automobile, the unit for detecting the opening degree of the automobile window is used for detecting the current opening degree information of the automobile window, the automobile window controller is used for receiving the rainfall information, the automobile speed information and the current opening degree information of the automobile window, the target opening degree of the automobile window is obtained according to the rainfall information and the automobile speed information, and the lifting control information of the automobile window is output to the automobile window lifting executing unit after the target opening degree of the automobile window is compared with the current opening degree information of the automobile window; the automobile window lifting executing unit automatically lifts the automobile window up and down according to the lifting control information of the automobile window, and the automobile window can be lifted to the target opening degree of the automobile window.

The invention discloses a vehicle remote driving control system and method based on a 5G network, and relates to the technical field of remote driving. The vehicle remote driving control system comprises a vehicle-mounted terminal, a cloud end and a driving end, and the vehicle-mounted terminal is fixedly arranged on a vehicle; the vehicle-mounted terminal, the cloud end and the driving end are configured to establish a remote driving control system which is based on real-time data transmission connection and comprises road feel feedback and audio and video synchronous display; and the real-time data transmission is configured to be capable of packaging the vehicle comprehensive information of the vehicle into MPEG-TS data streams according to a predetermined packaging sequence and predetermined bytes and then transmitting the MPEG-TS data streams to a driving end, and is capable of packaging vehicle control information input by a driver through the driving end into UDP data packets and then transmitting the UDP data packets to the vehicle-mounted terminal. Through the implementation of the system and the method, the real-time transmission of multiple paths of high-definition audioand video information can be realized, the sense of immediacy of the driver is greatly improved, and the system has the advantages of reliable connection, low information transmission delay and goodcompatibility.

The invention belongs to the technical field of vehicle dangerous driving state recognition, and discloses a vehicle dangerous driving state recognition device and recognition method for mountain highway. The vehicle dangerous driving state recognition device comprises a microprocessor, wherein the input end of the microprocessor is respectively connected with a vehicle speed sensor for measuring the vehicle speed, an acceleration sensor for measuring the accelerated speed of the vehicle in the transverse direction, and an inclination angle sensor for measuring the slope of the vehicle driving road; and the output end of the microprocessor is connected with a loudspeaker for reminding that the vehicle is in the dangerous driving state. According to the technical scheme of the vehicle dangerous driving state recognition device and recognition method for mountain highway, the driving state recognition can be performed on the vehicle moving on the mountain highway, a corresponding pre-warning prompt is performed on a driver through a sound signal when the vehicle is recognized to be in the dangerous driving state, so that the driver can take necessary operational measures to reduce the driving risk of the vehicle, and thus the accident rate of the vehicle during driving on the mountain highway is reduced.

The invention discloses a system and method for monitoring a range gear transmission gear. The system comprises a detecting system, a single-chip microcomputer controller and a display panel installed in a cab. The detecting system comprises two rotating speed sensors, a gear detecting device and an auxiliary box gear detecting device, wherein the two rotating speed sensors are installed on a transmission and used for measuring the rotating speed of an output shaft of the transmission and a middle shaft of a main box, and the gear detecting device and the auxiliary box gear detecting device are installed at the positions of a gear shifting handle. The single-chip microcomputer controller is connected with the detecting system and the display panel. By means of the system and method, the two rotating speed sensors are adopted, the rotating speed of the transmission is directly monitored through the single-chip microcomputer controller, the rotating speed of an engine is indirectly monitored through the single-chip microcomputer controller, various indication signals sent by the display panel are monitored, analyzed and combined according to the gear detecting device installed on the gear shifting handle, safety operation of the range gear transmission can be guaranteed, damage to the manual transmission is reduced, the service life of an auxiliary box synchronizer is prolonged; meanwhile, various safe or dangerous signals are given to a driver, and the travelling safety is guaranteed.

The invention provides a curve overtaking risk analysis method for a semitrailer. The curve overtaking risk analysis method for the semitrailer comprises the following steps: simplifying vehicle lane changing track to be a reverse convex curve formed by an easement curve, obtaining a semitrailer linear road segment overtaking track model, calculating elements, such as curve length, and obtaining a vehicle simulation path; according to a lateral load drift rate (LTR), judging safe conditions of the vehicle, simulating by using a ultrahigh transverse slope, a running speed, a vehicle turning radius and a road circular curve radius, and respectively performing orthogonal experiment to the four elements; relating a side turn risk indicator with four elements of the ultrahigh transverse slope, the running speed, the vehicle turning radius and the road circular curve radius; and performing regression analysis by using data regression analysis software, and obtaining a forecasting model of vehicle curve overtaking risk. The curve overtaking risk analysis method for the semitrailer is capable of, through building the forecasting model of the vehicle curve overtaking risk and analyzing the risk of the semitrailer curve overtaking, ensuring the traffic safety of the semitrailer in the curve running.

The invention discloses an automobile hydraulic braking device, which comprises an oil pump, a filter, a pressure gauge, a control valve, a braking oil cylinder, an adjustable flow valve, an overflow valve and an oil return pipe, wherein an oil inlet and an oil return port are formed in one side of the valve body of the control valve, and an oil outlet is formed in the other side of the valve body of the control valve; a spring is arranged between the tail end of the valve core and the valve body; the valve core is provided with a valve hole; when the valve core moves, the oil outlet is communicated with the oil inlet or the oil return port through a valve hole; a cylinder body oil inlet of a braking oil cylinder is provided with an oil pipe joint; a belleville spring is arranged between the tail end of a piston and the cylinder body; a brake block is fixed to the cylinder body through a stop screw; the tail end of a piston rod is then connected with the brake block through a connecting screw; the oil pump is connected with the filter; the filter is communicated with the oil inlets of the overflow valve and the control valve through an oil path provided with the pressure gauge respectively; the oil outlet of the control valve is communicated with an oil pipe joint of the braking oil cylinder; the oil return port is communicated with the adjustable flow valve; and the overflow valve is connected with the oil return pipe. The automobile hydraulic braking device has extremely high safety and reliability, and the driving risk can be effectively reduced.

The invention discloses an auxiliary driving method which comprises the following steps: acquiring road data which comprises static and/or dynamic information of all or part of objects in respective road ranges acquired by at least one road test sensing unit; identifying all or part of the vehicle objects based on the road data; for a target vehicle object in the vehicle objects, determining vehicle surrounding objects of the target vehicle object; and sending the related information of the vehicle surrounding objects to the target vehicle so as to enable the target vehicle to present the position relationship between the vehicle and the vehicle surrounding objects. The invention further discloses an auxiliary driving method executed on the vehicle, corresponding roadside sensing equipmentand an auxiliary driving system.

The invention discloses a vehicle early warning method, device and equipment and a storage medium. The method comprises the steps: obtaining road end monitoring data which is real-time monitoring data of a road end sensor for a current road; based on the road end monitoring data, carrying out early warning scene recognition on the vehicle on the current road to obtain an early warning scene recognition result, wherein the early warning scene recognition result comprises a target vehicle and an early warning target; sending the early warning target to a vehicle-mounted terminal of the target vehicle, so that the vehicle-mounted terminal obtains a real-time early warning video, wherein the real-time early warning video is video data including mark information of the early warning target; and outputting the real-time early warning video to a vehicle end display device of the target vehicle. By using the technical scheme provided by the invention, vehicle-road data interaction can be realized, the vehicle end acquires surrounding sensing information in real time, drivers and passengers are helped to quickly identify dangerous targets through the early warning video, and the early warning efficiency and accuracy are improved.

The invention discloses a vehicle anti-collision terminal based on machine vision. The vehicle anti-collision terminal comprises the components of a plurality of cameras which are used for acquiring the face image of a driver and a vehicle surrounding condition, a video acquisition card which is connected with the plurality of cameras, a vehicle GPS speed meter, a speed reducer, a machine vision ranging information processor and a fatigue data processing control module, wherein the machine vision ranging information processor and the fatigue data processing control module are all connected with an alarm unit and a remote monitoring unit. The fatigue data processing control module is connected with the video acquisition card. The machine vision ranging information processor is connected with the video acquisition card. The fatigue data processing control module is connected with the vehicle GPS speed meter and the speed reducer. According to the vehicle anti-collision terminal, quick and accurate data processing is realized. Not only can fatigue information of a driver and blind area condition be monitored, but also braking and speed reduction can be performed on the vehicle in emergency, thereby preventing accidents caused by improper vehicle speed control.

The invention discloses a road surface alarm device based on traffic safety, and particularly relates to the technical field of traffic facilities, the road surface alarm device comprises a road surface alarm box, a threaded groove is fixedly formed in the bottom of the road surface alarm box, a bolt is installed at the bottom of the threaded groove through threads, and a telescopic rod is installed at the bottom of the bolt through threads. By arranging an automatic cleaning mechanism, when the road surface alarm device is placed on a road, a truck and an earth moving vehicle often pass through the road surface warning device, dust brought by the earth moving vehicle and the truck is very large, and when the dust is blown to the warning device, patterns or characters on the alarm device cannot be seen clearly, so that normal judgment of drivers is influenced, and life safety of the drivers is seriously affected; at the moment, the automatic cleaning device is additionally arranged in the equipment, when patterns or characters on a warning device cannot be seen clearly, a water suction pump pumps out water in a water tank and transmits the water to a liquid separator, spraying and washing are conducted through an atomizing nozzle, and the driving risk of the driver is reduced.

Embodiments of the invention provide a mobile monitoring system and method for strong wind along railways. The system comprises a wind speed and wind direction meter, a transmission module, a databaseserver, an application server and a communication server, wherein the transmission module is connected with the wind speed and wind direction meter and the database server; the application server isconnected with the database server and the communication server; the wind speed and wind direction meter is used for obtaining monitoring information of strong wind along railways in real time; the database server is used for receiving the monitoring information of strong wind through the transmission module and transmitting the monitoring information of strong wind to the application server; andthe application server is used for obtaining trains needing strong wind alarm or alarm free information according to the monitoring information of strong wind and train position information sent by aCTC system so as to generate a notification train list, and sending the notification train list and the strong wind alarm or alarm free information to a GSM-R system through the communication server.According to the mobile monitoring system and method for strong wind along railways, pre-warning information is provided for trains through laying monitoring points, so that the driving risk is reduced.

The invention relates to a method and device for pedal fault diagnosis of a vehicle, and the method specifically comprises the steps: detecting whether a driving seat is in an unmanned state or not, collecting the actual null voltage of a pedal under the condition that the driving seat is in the unmanned state, and determining whether the pedal has a null fault or not according to the actual nullvoltage. The device may update a set value of the null voltage in the vehicle controller based on an actual null voltage when the driver seat is in an unmanned state. The method can be applied to thefield of auxiliary driving and automatic driving, and the safety of vehicle control is improved through the actual null voltage when the driving seat is in the unmanned state.

The invention relates to an optical system, a camera module, an electronic device and an automobile. The optical system includes, in order from an object side to an image side: a first lens having negative refractive power and having a convex object-side surface and a concave image-side surface; a second lens having negative refractive power and having a convex object-side surface and a concave image-side surface; a third lens with positive refractive power; a fourth lens with positive refractive power; a fifth lens with positive refractive power; a sixth lens having negative refractive powerand having a concave object-side surface and a convex image-side surface; and a middle diaphragm. The optical system meets the relation that f456/f is larger than 0 and smaller than 3, wherein f456 isthe combined focal length of the fourth lens, the fifth lens and the sixth lens, and f is the effective focal length of the optical system. When the above relation is satisfied, the miniaturization design of the system can be realized, and the imaging definition of the system can be improved.

The invention relates to a vehicle-mounted air cleaner control system, a control method and a vehicle-mounted air cleaner with the control system, and belongs to the field of vehicle-mounted air cleaning. The vehicle-mounted air cleaner control system comprises a circuit control module, a signal collection and analysis module, a central processing unit, a fan module and a user reminder module. By controlling the system with the specific control method, the vehicle-mounted air cleaner can be automatically switched on or switched off according to the motion state of a vehicle; on-off conditions are optimized, so that the control method is user-friendlier, and the user experience is better. The invention further discloses the vehicle-mounted air cleaner adopting the control system and the control method. The rationalization and user-friendliness of the vehicle-mounted air cleaner are guaranteed; besides, the vehicle-mounted air cleaner is ingenious in design, and elegant and attractive in appearance design.

The invention discloses a travel risk control method in a high-risk road segment. The method comprises the steps that 1, a road segment in unit length is selected, and the high-risk road segment in anaccident set is obtained through calculation; 2, traffic flow on the high-risk road segment is divided into two states; 3, a high-risk region is divided into two functional segments, namely an early-warning segment and the high-risk road segment; and 4, according to a spatial layout of the early-warning segment and the high-risk road segment shown in the step 3, the arrangement position of information publishing equipment is obtained. According to the method, firstly, the appropriate road segment unit length is selected for a research object, several different combinations are divided in combination with a dynamic segmented movement step length method; next, a Relim algorithm is adopted to mine a frequent item set in each combination, the number of traffic accidents and casualties are quantitatively processed, and the traffic accident high-risk road segment small in length and in the accident set is obtained; and then accident influence factors in the found high-risk road segment aresubjected to association rule mining.

The invention discloses a method and device for monitoring torque of a power system. The method comprises the following steps that according to some automobile driving state relevant parameter data, the required torque and the threshold torque are calculated and obtained through a first algorithm and a second algorithm respectively, magnitudes of the required torque and the threshold torque are judged, one of the required torque and the threshold torque is selected to be determined as the target torque according to the judgment result, wherein the target torque is not greater than the threshold torque; and the target torque is sent to an actuator so as to control the actuator. As seen, after the required torque is obtained, whether the required torque exceeds the threshold torque or not isjudged in advance, then the determined target torque is not greater than the threshold torque, so that the problem when the required torque exceeds the threshold torque, the required torque is directly sent to the actuator, then the situation of automobile unanticipated acceleration caused by the fact that the actual torque output by the actuator exceeds the threshold torque is brought, and the mode of interrupting power output is adopted so as to terminate the situation is effectively solved, the vehicle running risk is effectively reduced, and the driving experience is improved.

The invention provides an image processing method, a vehicle-mounted visual auxiliary system and a storage device. The method is applied to the vehicle-mounted visual auxiliary system, and the systemcomprises a display device arranged at a vehicle blind area position. The method comprises the following steps: obtaining vehicle exterior image information and vehicle interior image information of avehicle in an orientation corresponding to a user visual angle; acquiring a hole data compensation model; determining a display area of the display device in the in-vehicle image information, and performing hole data compensation on image data corresponding to the display area in the in-vehicle image information according to the hole data compensation model and the out-vehicle image information;and adaptively adjusting the compensated image obtained after compensation for the display effect of the display device to obtain target image information for display of the display device. In the application, the displayed target image information content is closer to the actual scene, which is beneficial for the driver to know the actual situation outside the visual blind area, thereby reducingthe driving risk.

The embodiment of the application discloses a data processing method and device. The method comprises the following steps: acquiring historical warning information sent by an early warning server fora vehicle; predicting predicted warning information of the vehicle at the current time according to the historical warning information; collecting current road condition information of the vehicle, and generating target warning information of the vehicle at the current time according to the road condition information; acquiring the braking duration of the vehicle according to the operation parameters of the vehicle and the current road condition information, and obtaining a first collision probability corresponding to the prediction warning information and a second collision probability corresponding to the target warning information according to the braking duration; and generating comprehensive warning information of the vehicle according to the prediction warning information, the firstcollision probability, the target warning information and the second collision probability, and displaying the comprehensive warning information. According to the invention, the accuracy of the driving risk early warning information can be improved.

The present invention provides an information processing method and an electronic device. The method comprises: acquiring a current vehicle speed, judging whether the current vehicle speed is greater than a first preset value, detecting whether first information is received when the current vehicle speed is greater than the first preset value, and processing the first information according to a first preset mode when the first information is received; or, acquiring the current vehicle speed, judging whether the current vehicle speed is greater than the first preset value, and stopping a communication function of the electronic device when the current vehicle speed is greater than the first preset value. According to the information processing method and the electronic device which are provided by the present invention, the driving risk, which is caused by the case that a driver handles information received by the electronic device in the driving process, is reduced and user experience is good.

The invention relates to the field of an automobile and particularly relates to a double-layer air-permeable automobile glass device. The device comprises an outer layer of automobile window glass (1), an inner layer of pored air-permeable glass (2), an automobile door frame (3) and an automobile window lifter (4), wherein the outer layer of automobile window glass (1) and the inner layer of pored air-permeable glass (2) are arranged in the automobile door frame (3) and on the automobile window lifter (4), and the inner layer of pored air-permeable glass (2) is provided with air-permeable pores (2-1). The inner layer of pored air-permeable glass is added in the automobile window glass and the convection current is formed by inside air and outside air with the help of pores on the automobile windows on two sides, thereby utilizing the convection current of air to reduce the high temperature caused by the direct radiation of sunlight and further reducing the temperature in the automobile.

The invention provides a parking space navigation method, and the method comprises the steps: obtaining the information of a vehicle in response to a vehicle identifier when the vehicle identifier transmitted by a vehicle recognition device at an entrance of a parking lot is received, wherein the information of the vehicle comprises the driving level of a vehicle owner, the driving level comprises the driving age of the vehicle owner, the historical parking time and the historical parking track; acquiring current position information of the vehicle; vacant parking space information of the parking lot and road information in the parking lot are obtained, wherein the vacant parking space information comprises position information of the vacant parking spaces and the number of the vacant parking spaces; calculating an optimal parking space and an optimal navigation route according to the vehicle information, the current position information of the vehicle, the unoccupied parking space information and the road information; and transmitting the preferable parking space and the preferable navigation route to a vehicle owner end. In addition, the invention also provides a parking space navigation device, computer equipment and a computer readable storage medium.

The invention provides a system and method for providing prompt information. The method for providing the prompt information comprises the steps that a vehicle-mounted device acquires the geographical information of a vehicle regularly, when the current geographical information is different from the geographical information acquired before, the prompt information corresponding to the current geographical information is provided, and the prompt information comprises traffic information. According to the technical scheme, the vehicle-mounted device can provide corresponding traffic information initiatively after a traveling area is changed, the driving risk caused by the fact that a user drives and inquires at the same time is lowered, the use is also made to timely learn the traffic information related to the traveling area, the probability of mistake driving is lowered, and the traveling efficiency is improved.

The invention relates to a navigation method and device, computer equipment and a storage medium. The method comprises the steps that if a target vehicle enters a geographic range corresponding to a high-precision map of a target tunnel, the high-precision map is displayed in a map navigation page, and a first content element corresponding to the target vehicle and a second content element corresponding to an adjacent vehicle are displayed on the high-precision map in a bird's-eye view angle in an overlapping mode, wherein the measurement precision of the high-precision map is greater than a preset precision threshold value; and the adjacent vehicle is a vehicle within a preset range around the target vehicle, the first content element and the second content element are acquired based on sensing information of a roadside base station arranged in the target tunnel, and the roadside base station is initialized based on the high-precision map. By adopting the method, the user can be better assisted in driving at the tunnel.