31results about How to "Reduce driving risk" patented technology

The invention provides a multifunctional controller for a new energy automobile and the new energy automobile, and relates to the technical field of new energy automobile control. The multifunctional controller for the new energy automobile comprises a data collection module, a data processing module, a prediction module, a storage system, a communication system, a user interface, a software system, a battery management system, an auxiliary driving system, a safety system, an emotion recognition module, a power supply system and a continuous learning system. Through the prediction model and time sequence analysis, the charging and discharging strategy of the battery is optimized, the service life of the battery is prolonged, the energy efficiency is improved, a power system is optimized according to real-time data and a prediction result, the performance and efficiency of the vehicle are improved, and thermal management of the vehicle is optimized according to weather forecast and real-time traffic information. The optimal performance can be kept under different weather conditions, and the system can automatically adjust the internal environment, such as temperature and music playing, of the vehicle by analyzing the emotional state of the driver so as to adapt to the emotion of the driver.

The invention relates to a tunnel ponding early warning method and device, computer equipment and a storage medium. The method comprises the steps that at least two first flow detection units are arranged at an inlet and an outlet of a tunnel, at least one second flow detection unit is arranged at a water outlet of the tunnel, local water accumulation threshold values of a plurality of water accumulation sensitive areas are determined based on historical water accumulation data, and the local water accumulation threshold values are arranged according to the threshold values to obtain a threshold value distribution sequence; dividing the threshold distribution sequence into a first sequence and a second sequence based on a preset proportion, and determining a first global threshold by a local ponding threshold at the boundary of the first sequence and the second sequence; calculating the inlet and outlet flow difference according to the first flow data and the second flow data, and further determining the water accumulation amount; and adjusting a second global threshold value according to the ponding risk index, and starting a corresponding risk early warning strategy when the ponding amount exceeds the first global threshold value or the second global threshold value. Low-cost and high-precision tunnel ponding monitoring is realized based on simplified sensing data, and the safety of tunnel passage is improved.

The invention discloses an intelligent automobile lamp assembly which is used in the technical field of automobile lamps and comprises a sensor module, an instrument prompting module, a processing module, an intelligent light control module and an executing mechanism. The sensor module is used for collecting key data of a vehicle state and an external environment; the instrument prompting module is used for displaying the state of the vehicle lamp system and information related to driving in real time; the processing module is used for analyzing the vehicle state and the key data of the external environment and generating a vehicle lamp adjusting strategy; the intelligent light control module is used for receiving the vehicle lamp adjusting strategy and converting the vehicle lamp adjusting strategy into a specific control instruction; and the execution mechanism is used for executing the control instruction and adjusting the brightness and direction of the vehicle lamp based on the control instruction. Based on the fuzzy logic reasoning method, complex and fuzzy data input can be processed, the vehicle lamp adjustment strategy is flexibly generated according to different driving conditions, and vehicle lamp adjustment has better scene adaptability.

The invention discloses a vehicle intelligent driving control method, device and equipment and a storage medium, and relates to the technical field of vehicles, and the vehicle intelligent driving control method comprises the steps: determining a current road scene according to a vehicle road image, vehicle positioning information and navigation map information; when the current road scene is a target road combined scene, performing curve fitting according to lane line historical data and lane line sensing data to obtain virtual lane line data; and performing intelligent driving control of the vehicle according to the virtual lane line data. By intelligently recognizing the Y-shaped road merging scene and fitting the continuous and smooth virtual lane line, an accurate path planning basis is provided for an intelligent driving system, the driving risk caused by path planning errors is remarkably reduced, and a stable and reliable local path planning trajectory is provided in the complex Y-shaped road merging scene. The auxiliary intelligent driving system can easily deal with the scene road condition, and the passing rate and the driving experience of intelligent driving are improved.

The invention relates to a vehicle driving guide line generation method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring a road complexity evaluation value of a vehicle on a preset distance road on a current driving path; the road complexity evaluation value is used for representing the complexity of the road; under the condition that the road complexity evaluation value is greater than or equal to a preset evaluation value threshold value, obtaining lane line points of a preset distance road matched with the current driving path from a preset lightweight map, and obtaining a first guide line matched with the current driving path according to the lane line points; and acquiring a second guide line generated by the road sensing system and used for guiding the vehicle to run on the current driving path, and correcting the second guide line by using the first guide line to obtain a vehicle driving guide line of the current driving path on the preset distance road. The accuracy of generating the vehicle driving guide line on the complex road by the vehicle can be improved, and then the driving risk is reduced.

The utility model belongs to the field of vehicle networking communication equipment especially a kind of vehicle-road cooperation communication terminal, it includes fixed link one and vehicle-road cooperation terminal machine;The one end of fixed link one is fixedly connected with multiple clamps, and multiple The abutment of clamp has same sphere, the upper fixed connection of sphere has fixed link two, the one end of fixed link two is installed with vehicle-road cooperation terminal machine, the same tightening sleeve is threadedly connected on the fixed link one and multiple The clamp of the upper of fixed link one is threadedly connected with screw rod one, arc plate one is welded on the fixed link one, the same sliding slot one is set in arc plate one and fixed link one, arc plate two is slidably connected in sliding slot, the utility model is adjusted the effect that the distance between vehicle-road cooperation terminal machine and user is adjusted by the cooperation of each component, and the effect that it is adjusted at multiple angles is also achieved.

The invention discloses an obstacle sensing method, a cleaning robot, a storage medium and a program product, and the obstacle sensing method comprises the steps: obtaining sensing data of a sensing sensor of the cleaning robot; in response to the situation that the cleaning robot is detected to be in a diving state according to the sensing data, a distance measuring sensor of the cleaning robot is controlled to emit first emitting light of a first wavelength, and the diving state is used for representing that the cleaning robot is immersed in water; the distance measuring sensor is controlled to receive first reflected light, the first reflected light is formed by reflecting the first emitted light through a first obstacle, and the first obstacle is immersed in water; and determining a first distance between the first obstacle and the cleaning robot according to the first emitted light and the first reflected light. According to the method, when it is detected that the cleaning robot dives into the water, the first distance of the underwater first obstacle is sensed based on the light of the first wavelength emitted by the distance measuring sensor, and the underwater driving risk of the cleaning robot can be reduced.

The utility model discloses a remote real vehicle test system for a nitrogen-oxygen sensor, which belongs to the technical field of sensor test and comprises a nitrogen-oxygen sensor test mechanism, an installation protection assembly, a server and a mobile terminal, and the nitrogen-oxygen sensor test mechanism is installed on a vehicle through the installation protection assembly. The nitrogen and oxygen sensor testing mechanism is in wireless connection with the server, the server is in wireless connection with the mobile terminal, all detection data are received through the signal conversion assembly and transmitted to the CAN bus-to-4G equipment, the CAN bus-to-4G equipment transmits CAN bus data to the server through a 4G network, and therefore remote monitoring is achieved; and the GPS positioning device converts the position information of the vehicle into a CAN bus format through an RS485 interface to a CAN bus, and finally sends the position information in a 4G signal form, so that the overall communication reliability of the system is improved, the test distance is increased, and more comprehensive data is provided.

The application provides a secure encryption method, device, system, equipment and medium for vehicle information, comprising: obtaining first feature information of a smart terminal and second feature information of a vehicle terminal after establishing communication with the smart terminal; determining the communication state of the vehicle terminal and the smart terminal, and constructing an encryption key according to the communication state and the characters of the first feature information and the second feature information; calling the encryption key to encrypt the interactive vehicle information to obtain encrypted information. The application can construct a specific encryption key for each smart terminal based on the feature information of the vehicle terminal and the smart terminal, and can encrypt by using the specific encryption key, so as to reduce the risk of information cracking or leakage, improve the security and privacy of information, and ensure information security. Meanwhile, the control safety of the vehicle terminal can also be improved by interacting with the encrypted information, and the driving risk of the user is reduced.

The utility model discloses a limiting and buffering mechanism and a brake pad. The brake pad comprises a steel backing, a plurality of friction structures and a plurality of limiting and buffering mechanisms. Wherein an axial floating gap is formed between the friction structure and the steel backing, the friction structure is provided with a mounting boss in the axial direction of the friction structure, the steel backing is provided with a mounting hole, the mounting boss extends into the mounting hole, and a direction adjusting gap is formed between the mounting boss and the mounting hole in the circumferential direction of the friction structure; the limiting buffer mechanism comprises a first elastic structure and an elastic limiting structure, the first elastic structure is arranged outside the mounting boss in a sleeving mode, the elastic limiting structure is fixed to the mounting boss, the first elastic structure is connected between the steel backing and the friction structure in an abutting mode, and the elastic limiting structure is connected to the side, back to the friction structure, of the steel backing in an abutting mode. The whole friction face of the friction structure can be tightly attached to the brake disc to achieve braking, braking safety is guaranteed, the phenomena of uneven stress and eccentric wear of the friction structure can be avoided, and the service life of the brake pad is prolonged.

The utility model relates to the field of hubs and discloses a lightweight aluminum alloy hub which comprises a rim and a wheel axle arranged in the middle of the rim, spoke frames are arranged on the front side and the rear side of the wheel axle respectively, a plurality of spoke plates are fixedly connected with the inner side of the rim, side reinforcing rings are arranged on the left side and the right side of the rim in an embedded mode, and the side reinforcing rings are fixedly connected with the rim. An inner wall reinforcing ring is embedded in the inner side of the rim, an auxiliary buffering assembly is arranged on the axle and comprises a set of auxiliary supports arranged on the axle, each auxiliary support comprises a mounting ring arranged on the axle, a plurality of auxiliary supporting plates are evenly and circumferentially arranged on the outer side of each mounting ring, and grooves are formed in the outer ends of the auxiliary supporting plates. The supporting frame is slidably connected into the groove body, the shock absorber is arranged in the groove body, the other end of the shock absorber is connected with the supporting frame, the auxiliary arc plate is arranged at the outer end of the supporting frame, the service life of the hub can be prolonged, impact force borne by the rim is buffered, and the risk that the spoke frame is broken is reduced.

The present invention relates to the technical field of simulated driving equipment, and specifically discloses a vehicle cab road simulation test device, comprising a main structure, an exterior rear-view component, a direction structure and a control box, wherein the main structure is detachably installed in the cab and connected to the control box, the exterior rear-view component is detachably mounted on the exterior rear-view mirror and connected to the control box, and the direction structure is detachably mounted on the steering wheel and wirelessly connected to the control box. The present invention directly connects the control box to an OBD interface of the cab for power supply, realizes picture projection simulation through a front screen and an interior rear-view screen, and realizes picture simulation projection of an exterior rear-view mirror through the exterior rear-view component, which can provide a more realistic visual experience, allowing the driver to experience a visual experience close to that of real driving in a simulated environment; performing driving simulation indoors can reduce the risk of actual road driving, provide a safe learning and practice environment for the driver, and reduce teaching costs.

The application discloses an intelligent traffic auxiliary correction method and system based on remote sensing monitoring, relates to the technical field of intelligent traffic assistance, and comprises effective point feedback and point driving correction. First, user historical eye movement and vehicle dynamic data are collected through the effective point feedback step, driving behavior concentration duration is calculated, behavior types are matched, and eye movement data occurrence rates are counted, current driving data and image recognition are combined, and the first preferred point of the user is determined; voice prompts are given and steering auxiliary force is adjusted. Secondly, historical remote sensing data are collected through the point driving correction step, invalid data are analyzed, and eye movement focus side view angle correction values are summarized; driving directions are prompted, and turning compensation force is applied. The application realizes precise driving assistance through multi-source data fusion, improves safety, adapts to different driving habits through the linkage of historical and real-time data, and improves the precision of the auxiliary system.

The application provides a cockpit implementation method and system based on emotion enhancement and scenario service flow intelligent agent, and belongs to the technical field of automobile intelligent cockpits. The method comprises the following steps: acquiring multi-modal data of a target user in real time, fusing the multi-modal data to generate comprehensive user states, planning a service flow based on scenario semantics and the user states, and generating and outputting action execution instructions of internal and external resources according to the service flow. Through multi-modal deep fusion and scenario semantic understanding, the application can accurately capture user states and demands, provide the most suitable service at the most appropriate time, and change passive response into active care. The application sets a user memory vector library to continuously learn and adapt to user preferences, provides a truly 'thousand faces for a thousand people' service, and as the use time increases, the service accuracy and user satisfaction present a continuously rising curve, thereby solving the problem of static experience of traditional systems.

The invention provides an unmanned logistics vehicle interaction control method and system, and the method comprises the steps: determining the driving direction of a vehicle in a target region road section when determining that the vehicle enters the target region road section; based on the driving direction of the vehicle in the target area road section, whether other target vehicles exist or not is judged through driving area point cloud data obtained in real time, and the vehicle is controlled to execute different driving strategies; when the vehicle passes through the target area road section based on different driving strategies, the dynamic obstacle is predicted in real time, the motion trend of the dynamic obstacle is obtained, whether interaction exists between the vehicle and the dynamic obstacle is judged, and the vehicle is controlled to execute different interaction strategies. The problem that in the prior art, an unmanned logistics vehicle does not have a flexible executable passing strategy at a fork road in a complex environment, so that the passing safety of the unmanned logistics vehicle is poor is solved. The unmanned logistics vehicle can sense complex road conditions and environments and flexibly execute passing strategies, and the passing safety of the unmanned logistics vehicle is improved.

This invention discloses a power distribution control system and method for a four-wheel drive electric vehicle. The system includes a data acquisition unit, a power distribution algorithm module, and a power closed-loop control module. The data acquisition unit collects the input data required for vehicle power control, and its output is connected to the power distribution algorithm module. The power distribution algorithm module determines a power distribution scheme based on the input data and sends the scheme to the power closed-loop control module. The power closed-loop control module controls the actuators to complete power output and switching according to the power distribution scheme. This solution can dynamically adapt to changes in operating conditions, accurately identify driver intentions, and balance driving stability and energy efficiency.

The invention relates to a vehicle information authentication system and method, and belongs to the technical field of information authentication, and the system comprises a vehicle-mounted intelligent terminal which is used for obtaining first vehicle information of a vehicle and sending the first vehicle information to a vehicle-mounted software terminal; the vehicle-mounted software terminal is used for generating a first signature according to the first vehicle information and sending the first signature to the server; the server is used for querying according to the first signature to obtain second vehicle information, generating a second signature according to the second vehicle information, and determining that vehicle authentication succeeds when the first signature is successfully compared with the second signature; the data of the vehicle-mounted intelligent terminal is authenticated through the server, and when the authentication succeeds, the vehicle-mounted intelligent terminal and the vehicle-mounted software terminal can perform data transmission, so that the safety of vehicle data transmission is improved, and the risk of vehicle driving is reduced.

The utility model relates to the field of automobile braking, and discloses an automobile braking device and an automobile braking assembly device.The automobile braking device comprises a motor assembly, a cylinder body, a transmission assembly and a caliper assembly, and the motor assembly comprises a motor and a rotating shaft; a first cavity and a second cavity are formed in the cylinder body, the cylinder body is provided with a first through hole, and the first through hole is used for supplying air or liquid; the transmission assembly comprises a sleeve rod and a push rod, one end of the sleeve rod sleeves the rotating shaft through threaded connection, the other end of the sleeve rod abuts against the push rod, and the push rod is arranged in the second cavity; when the push rod exerts pushing force in the direction of the caliper seat, the push rod pushes the first brake pad to move in the direction close to the second brake pad so as to brake an automobile. Thus, automobile braking can be conducted through the motor and air pressure or hydraulic pressure, the automobile braking effect is improved, and the driving risk caused by motor braking failure is reduced.

This utility model discloses an emergency splicing device for signal cables, relating to the field of rail transit signaling technology. It includes two cable terminal boxes, a faulty cable, and two splicing cables. The faulty cable is cut into two ends, each connected to one of the two cable terminal boxes. The two cable boxes are connected by the two splicing cables. Each terminal box has multiple cable inlet holes of different diameters, through which the faulty cable end can pass. A gland lock is used to seal the inlet holes. This utility model, through the sealing of the terminal boxes and the design of prefabricated splicing cables, achieves the goals of quick connection, sealing, reliability, and versatility in emergency repairs. It meets the timeliness requirements of railway transportation repairs and reduces operational risks through structural optimization, representing a significant upgrade to traditional cable splicing technology.

The invention discloses a motor control method, a computer storage medium and a vehicle, and the motor control method comprises the steps: obtaining a current rotating speed value and a current temperature value of a motor when the vehicle triggers a speed limiting function, and obtaining a final torque value of a P item; determining the current maximum available driving torque and the current maximum available braking torque of the motor according to the current rotating speed value and the current temperature value; determining an I-item final torque value according to the current maximum available driving torque and the current maximum available braking torque; and determining a final output torque value of the motor according to the I-item final torque value and the P-item final torque value. By adopting the method, the problem of upshift of the automatic gearbox in a manual mode can be avoided, and the driving risk is reduced.

This application provides a functional safety-based gear position monitoring method, device, and electronic device. When torque and speed information are available, ASILC-level torque and speed information is preferentially used as monitoring input information. This allows for direct calculation of the current gear at level C, improving the safety level of gear position monitoring and reducing driving risks caused by inaccurate gear position monitoring. When torque or speed information is unavailable, the current vehicle speed at level ASILB is used as input information to ensure uninterrupted monitoring of the current gear position. This strategy of using level C information as the primary source and level B information as a secondary source for monitoring the vehicle's functional safety gear positions enhances the safety level of gear position monitoring while ensuring that monitoring of the current gear position does not stop even if level C information monitoring malfunctions, thus improving the safety of the user while driving.

The application discloses a cockpit system time information processing method based on user state and related device, the method comprises: when the time when the vehicle travels is within a preset time period, the driving route where the vehicle is located is within a preset driving route, and the driving route where the vehicle is located is a congested route, the driver's gesture is collected through a camera, if the similarity of the collected driver's gesture and the pre-set gesture is greater than or equal to a first preset value, the driver's eye line focus area on the display screen is determined; the collected driver's eye line focus area is compared with the target time display area of the display screen, the target time display area is a preset display area that meets the driver's sitting posture under the current seat setting and has a display area greater than a preset area; if the matching degree of the collected driver's eye line focus area and the target time display area is greater than or equal to a second preset value, the display screen displays time-related information in the target time display area.

The application relates to a road section vehicle group dissolving method based on real-time vehicle speed regulation, which comprises the following steps: S1, acquiring real-time traffic information of a road section; S2, when the headway between a host vehicle and a front vehicle in the same lane is less than a safe following headway and the headways between the host vehicle and front vehicles in adjacent lanes are both less than a safe lane-changing headway, the front vehicle in the same lane and the front vehicles in the adjacent lanes form a vehicle group; S3, judging the risks of vehicles in the vehicle group, and the vehicle with the maximum risk value R being the risk source of the vehicle group; S4, regulating the vehicle speed of the risk source vehicle of the vehicle group; and S5, when the host vehicle satisfies the condition that the headway with the front vehicle in the same lane is greater than or the headway with the front vehicle in the adjacent lane is greater than, the original vehicle group is dissolved. The application dissolves the vehicle group and reduces the driving risk of the road section by regulating the real-time vehicle speed of the risk source vehicle.

The invention provides a C-V2X-based highway vehicle communication method, which belongs to the field of road traffic safety management, enables vehicles to automatically join in a temporary virtual chat room within the range of n kilometers, realizes vehicle driving state information sharing, provides optimal driving suggestions for other vehicles in real time according to the driving state of each vehicle, and improves the driving safety of the vehicles. The accident risk is reduced. If a traffic accident occurs in the area, an alarm is given to all member vehicles immediately, so that a secondary accident is effectively prevented. Meanwhile, the system can report accident details to a high-speed traffic management department in time, and the rescue response speed is increased.

The air suspension comprises a guide arm, an air bag and a shock absorber, the guide arm is in a Z-shaped strip shape, a lifting lug support is installed at one end of the guide arm, the other end of the guide arm is bent downwards to form an air bag base used for installing the air bag, and the axle is fixedly installed in the middle of the guide arm through a pressing plate, a supporting plate and the U-shaped bolts which are matched with each other. According to the guide arm assembly, the situation that the guide arm is connected with the axle through the welding technology is avoided, the four U-shaped bolts are adopted for connection and positioning, and the driving risk is reduced.

The utility model discloses an electronic rearview mirror camera device which comprises a long-focus camera module, a distance measuring module and a PCB, the long-focus camera module is used for shooting images behind an automobile, and in the driving process of the automobile, when an external vehicle appears in the depth-of-field range of the long-focus camera module, the distance measuring module emits a light source, and the light source emits a light source; according to the vehicle-mounted device, the distance between the vehicle and the external vehicle and the speed of the external vehicle can be calculated, external vehicle information obtained by the long-focus camera module and the distance measuring module is displayed on a display screen in the vehicle, a driver can be well helped to grasp the condition of a road outside the vehicle, and the driving safety is improved. The distraction caused by the fact that a driver needs to shake the head leftwards and rightwards to observe the rearview mirror outside the automobile in the driving process is reduced, and the driving risk is reduced.

The present invention discloses a high-stability electric vehicle steering control method and control system, which relates to the technical field of electric vehicle steering control. Partial state data of a vehicle in a driving steering state is collected to generate a stability coefficient for evaluating the vehicle steering; the suspension stiffness of the vehicle suspension system is adjusted. If the adjustment effect is less than expected, the vehicle driving steering state is adjusted continuously, and a controllability coefficient is generated according to the vehicle's response speed and center of gravity change. A trained vehicle driving model is established to predict the vehicle's steering state, and a prediction data set is established based on the prediction result to generate a risk coefficient. The vehicle's driving conditions are adjusted through simulation analysis, and the adjusted driving plan is output. After the vehicle executes the driving plan, if it does not meet expectations, a deceleration command is issued. By evaluating the vehicle's controllability, it is also convenient to adjust and improve it, thereby ensuring the safety of the vehicle's driving.

The invention relates to the technical field of driving simulation equipment, and particularly discloses a vehicle cab road simulation test device, which comprises a main body structure, an outer rearview assembly, a direction structure and a control box, and is characterized in that the main body structure is detachably mounted in a cab and is connected with the control box; the control box is directly connected with an OBD interface of a cab to be powered on, picture projection simulation is achieved through the front gear display screen and the inner rear view screen, the front gear display screen and the inner rear view screen are connected with the control box in a wireless mode, the control box is connected with the control box in a wireless mode, and the front gear display screen and the inner rear view screen are connected with the control box in a wireless mode. The external rearview assembly realizes picture simulation projection of an external rearview mirror, so that more real visual experience can be realized, and a driver can feel visual feeling close to real driving in a simulation environment; the risk of actual road driving can be reduced through indoor driving simulation, a safe learning and practicing environment is provided for a driver, and the teaching cost is reduced.

The invention provides a steer-by-wire auxiliary braking method and device, and solves the problem that short-distance vehicle braking cannot be realized in the prior art. Based on a separation state between a vehicle steering wheel and a steering wheel in an automobile linear control steering system, a feedforward control algorithm and a PID (Proportion Integration Differentiation) control algorithm are combined, so that the short-distance braking of the vehicle aiming at different vehicle driving working conditions is realized. According to the method, the driving risk of the vehicle is effectively reduced, the driving safety of the vehicle is improved, the accident rate is further reduced, and good operation stability, driving smoothness and vehicle safety in the driving process of the vehicle are guaranteed.

The present invention discloses a method and device for detecting the position information of an environmental obstacle, wherein the method comprises: obtaining a two-dimensional grid map at the position of a vehicle; determining a data collection area in the two-dimensional grid map; scanning the data collection area to obtain reflection point position data; sending the reflection point position data to a preset data processing module for data processing to determine at least one environmental obstacle position information. Since the present invention does not directly transmit the two-dimensional grid map, but extracts a small amount of reflection point position data from the grid map for transmission, the amount of data transmission is reduced, so that the obstacle position information in front of the vehicle can be quickly determined, and the vehicle can be guided to avoid obstacles in a timely manner, reducing the driving risk under automatic driving.