92results about How to "Improve parking safety" patented technology

The invention discloses a control method for parallel parking. The control method for the parallel parking comprises the steps of obtaining a parking initial position and a parking target position, obtaining a first control point and a second control point according to the parking initial position and the parking target position, generating a planning parking track based on a three-stage bezier curve according to the parking initial position, the parking target position, the first control point and the second control point, and controlling parking of a vehicle with a trajectory tracking method and based on the planning parking track. According to the control method for the parallel parking, due to the fact that the three-stage bezier curve for forming the planning parking track is convenient to generate, small in occupancy of computing resources, and capable of solving the problem of curvature mutation, the process for parking is enabled to be smooth; due to the adoption of the trajectory tracking method, errors between an actual traveling track and the planning track, speed of a vehicle, and the distance between one side, close to an obstacle, of the vehicle and the obstacle are obtained in real time, steering angles of wheels of the vehicle are corrected in real time with a fuzzy control method, and therefore errors in the parking process can be reduced, and safety of the parking is improved.

The invention provides a mobile lifting avoidance-free upper parking deck. The parking deck comprises a traveling system composed of a plurality of different forms of rollers, a car loading plate, as well as lifting columns and bases which are arranged at two sides of the car loading plate. The parking deck is characterized in that the lifting columns and the bases are respectively arranged at the two sides of the car loading plate; the lifting columns and the bases at different sides below the car loading plate are not connected with each other; and the traveling system is arranged on the bases and comprises an azimuth guide device. The mobile lifting avoidance-free upper parking deck is used for adding a parking layer on a parking space of a ground or underground garage; and by utilizing the upper parking deck, when the upper parked car is lifted up and down, the car in the original ground parking space does not need to be driven out for avoidance.

The application, whichbelongs to the technical field of terminals,discloses an automobile parking control method and device and a storage medium. The method comprises the steps that: when a starting instruction of a parking application is received, a parking selection interface is displayed, wherein the parking selection interface comprises at least one parking demand selection item; when a selection instruction for a target demand selection item is received based on the parking selection interface, a parking control interface corresponding to the target demand selection item is displayed, wherein the target demand selection item is any one of the parking demand selection items; and when the parking control interface corresponding to the target demand selection item receives a control instruction, the control instruction is sent to the automobile to remotely control the automobile to park. In the application, the terminal can display different parking control interfaces according to the target demand selection itemsselected by the drivers, thereby realizing different remote control parking functions according to the driver demands, avoiding scratching in the parking process, and improving the parking safety.

The invention discloses a connecting rod traction-type two-layer avoidance-free parking garage. The connecting rod traction-type two-layer avoidance-free parking garage comprises a pair of symmetrically-arranged frames, a driving device for bearing vehicle carrying plates of vehicles and a pair of symmetrically-arranged connecting rod mechanisms correspondingly matched with the pair of frames, wherein each connecting rod mechanism comprises a first connecting arm, a horizontally-arranged second connecting arm, a connecting rod group and an extending stroke adjusting arm. One end of the first connecting arm is connected with a movable traction seat, one end of the second connecting arm is connected with the other end of the first connecting arm, the vehicle carrying plates are arranged on the second connecting arms, each connecting rod group includes two connecting rods, three connecting rods, four connecting rods or five connecting rods, one end of each connecting rod group is hinged to the corresponding second connecting arm, the other end of each connecting rod group is hinged to the lower portion of a front column, and two ends of each extending stroke adjusting arm are respectively configured on two different connecting rods of the corresponding connecting rod group in a sliding mode.

The invention provides a wheeled vehicle emergency braking device, which is suitable for wheeled vehicle of a full-pneumatic brake system or an air liquid brake system with a centre parking brake. The breaking device utilizes original apparatus of original vehicle brake system, increases a driving auxiliary braking system by increasing a few of spare parts and pipelines, and improves the driving brake security. The emergency brake can be combined with parking brake to solve the problem of insufficient parking brake force and improve the parking security. The emergency braking device can be connected with a front wheel brake pipeline or a rear wheel brake pipeline in parallel, or simultaneously, be connected with the front and rear wheel brake pipelines in parallel. The emergency braking device adds a three-way pipe joint, a manual brake valve and a two-way check valve on the pipeline of original parking spare air storage bottle so that the brake pipeline becomes a dual-pipeline. The device of the invention is featured with simple structure, low use cost, flexible arrangement and good generality, can effectively improve the parking security and driving brake security.

The invention discloses a campus bicycle management method and system. The system comprises a host and a plurality of slaves. The host is connected with the slaves through communication interfaces. The host comprises a central control module, a storage module, an RFID module and a liquid crystal module. Each slave comprises a central control module, a stepping motor and an RFID module. According to the campus bicycle management method and system, information inside student cards can be read through an IC card swiping system and is processed and stored, the function of controlling a mechanical lock to be shut off is achieved, meanwhile, a user can also search for the position of a bicycle through the system, and the information of the position can be displayed through a liquid crystal display screen.

The invention provides a parking brake clamp and an automobile, and belongs to the technical field of motor vehicle braking. A clamp body, a piston arranged in the clamp body, a return spring base arranged in the clamp body and a screw are included, wherein one end of the screw is arranged in the piston, and the other end of the screw penetrates through the return spring base. The screw is sleevedwith a screw gasket. The screw gasket is located at the end, away from the piston, of the return spring base. When the screw drives the return spring base to move, the outer edge of the screw gasketabuts against the inner edge of the return spring base in the radial direction of the screw, so that the return spring base is clamped in the clamp body. When the piston is pushed out, the screw drives the return spring base and the screw gasket to move, the outer edge of the screw gasket abuts against the inner edge of the return spring base in the radial direction of the screw, the screw gasketis clamped at the end portion in the return spring base, pulling disengaging of the return spring base is avoided, reliability of the brake clamp during driving braking and parking braking is guaranteed, and parking safety is improved.

The invention relates to the technical field of vehicle control, particularly provides a vehicle parking control method, system and system and a vehicle and aims to solve the technical problem of manual operation simplification in the parking process of a user. For achieving the purpose, the vehicle parking control method mainly comprises the following steps that a parking space is selected basedon a vehicle steering state according to a pre-detected empty parking space; based on a usable parking mode of the parking space, and a vehicle parking model is determined according to a preset parking mode priority. A vehicle is controlled to stop in the parking space according to parking guidance information. In addition, the method can be executed and achieved through the system, the device andthe vehicle. By adopting the technical scheme, a user does not need to participate in the vehicle parking process, and parking spaces and vehicle parking modes can be automatically selected.

The embodiment of the invention provides an interaction method and device based on automatic driving. The method comprises the steps: displaying a parking route learning interface in a learning process of a parking route which takes a designated position in a parking lot as a starting point and takes a target parking space as a terminal point; wherein the parking route learning interface comprises a first view region used for presenting a panoramic image and a second view region used for presenting environment simulation display content; and performing display control on the first view region and the second view region according to the change of the scene in the parking route learning process so as to feed back the change condition of the scene to a user. According to the embodiment of the invention, the display control of the parking route learning interface displayed by the panoramic image and the environment simulation along with the scene change in the parking route learning process is realized, so that a user can more clearly and quickly perceive the whole parking process and the surrounding environment condition in the learning process.

The embodiment of the invention discloses a unilateral parking control method and device. The method comprises the steps that an IBS brake boosting system and an ESP vehicle body stabilizing system determine vehicle speed signals according to N wheel speed sensor signals sent by N wheel speed sensors respectively; under the condition that the vehicle speed signals meet a preset vehicle speed range, the IBS and the ESP respectively judge whether a parking triggering condition is met or not; and if the parking triggering condition is met, the IBS and the ESP control a first braking device and asecond braking device of the vehicle to park the vehicle correspondingly, and the first braking device and the second braking device are independent of each other. According to the invention, the parking safety can be improved, and the manufacturing cost of the vehicle is reduced.

The invention discloses a truck panoramic reversing image system based on a 3D visual technology, and a using method thereof. The system comprises an image acquisition module, a controller and a userterminal, wherein the image acquisition module comprises two TOF cameras and a binocular camera, the TOF cameras are installed on the left side and the right side of the head of a truck respectively,and the binocular camera is installed at the tail of the truck; and the user terminal includes a display and a speaker. The method comprises the following steps: the image acquisition module acquiresenvironmental depth information around the truck, and the controller reads collected data through Ethernet, performs splicing and other processing, draws a real-time map, calculates a distance betweenthe truck and an obstacle, gives an early warning signal of a corresponding distance segment, and then transmits map information and the early warning signal to the user terminal through a serial port; and the display displays the real-time environment around the truck according to map data transmitted by the controller, and the loudspeaker receives the early warning signal sent by the controllerand sends out a voice prompt. The efficiency and safety of truck parking are improved.

The invention relates to a parking mechanism for all terrain vehicles. The parking mechanism comprises a brake pump, a brake handle and a parking device, wherein the parking device comprises a limiting plate; the limiting plate is mounted on the brake pump; a limiting bulge is arranged at one end of the limiting plate; a parking handle is connected with the brake handle, moves with the brake handle and can independently rotate around a fastener; limiting gears are arranged at one end of the brake handle; the limiting bulge is matched with the limiting gears; a gap is further formed in the parking handle; the limiting bulge is arranged inside the gap; a shaft shoulder is arranged on a support shaft; the small end of the support shaft penetrates through the through hole (a) of the parking handle and is higher than the upper plane surface of the parking handle; the big end of the support shaft is propped against the brake handle; after a bolt penetrates through the parking handle and the support shaft in sequence, the bolt enables the parking handle and the support shaft to be connected with the brake handle. According to the invention, since the structure provided by the invention is adopted, hydraulic parking and braking of a front wheel can be realized. Compared with the mechanical parking and braking in the prior art, the braking is more reliable; the structure is simple and the operation is convenient and quick.

The invention provides an information prompting method, a vehicle control method and a related device. The information prompting method, the vehicle control method and the related device are applied to an intelligent vehicle, a new energy vehicle or an automatic driving vehicle. The method comprises the following steps: firstly, obtaining state information of a vehicle including gear information,vehicle speed information and a user visual position, when the vehicle speed information is smaller than a vehicle speed threshold value, determining a user intention gear, and when the user intentiongear is inconsistent with the gear information, judging that a target driver has parking gear shifting mis-operation, and sending out a gear mis-operation prompt to remind the user to carry out correct parking operation, so that the parking safety is improved; and secondly, determining the first obstacle distance and the braking distance through the information of the vehicle, and when the firstobstacle distance is smaller than the range determined according to the braking distance or the related distance, controlling the vehicle through different driving forces, so that the vehicle is prevented from colliding with the obstacle, the influence of the obstacle on parking is reduced, and the parking safety is further improved.

The invention discloses a parking meter charging device, comprising a casing, a car stopper, a central processing unit, a power supply system, an automatic charging system and an automatic punishment system. A solar panel is fixedly installed on the casing, and the power supply The output end of the system is electrically connected with the input end of the parking space perception system, the output end of the central processing unit is electrically connected with the input end of the parking space guidance system, and the output end of the parking space guidance system is electrically connected with the input end of the user terminal. The input terminal of the automatic charging system is electrically connected to the output terminal of the motor control system through the electrical connection of the wireless signal transmitting device installed inside the casing, and the input terminal of the penalty charging system is electrically connected to the output terminal of the warning device. Electrical connection. The invention has novel structure, high level of automation and intelligence, can realize unmanned charging and management of parking lot, high parking safety performance, convenient parking, orderly management, and green environmental protection.

The invention discloses an electronic parking structure for an electric automobile. The electronic parking structure comprises a bearing portion, a first base plate, a second base plate, a brake disc,a piston and a power unit; a shell is slidably arranged on the bearing portion, one side of the shell is provided with a caliper, and the other side of the shell is provided with a cylinder body; thefirst base plate and the second base plate are installed on the bearing portion in a mode of being capable of sliding relative to each other, and are located between the caliper and the cylinder body, the first base plate is connected with the caliper, and the second base plate is in contact with the cylinder body; the brake disc is arranged between the first base plate and the second base plate;the piston is of a cup-shaped structure, and is arranged in the cylinder body, and one end of the cup-shaped bottom surface is connected with the second base plate; and the power unit is connected with the piston, and is used for driving the second base plate to move close to or away from the first base plate. The invention further provides a control method of the electronic parking structure forthe electric automobile, parking place road conditions and automobile conditions can be collected, and the working state of the electronic parking structure can be determined based on the BP neural network.

The embodiment of the invention discloses a parking track automatic determination method and device, a medium and electronic equipment. The method comprises the steps: determining a first parking steering angle corresponding to a first parking track section according to the initial position of a vehicle and the position of a target parking space; determining the termination position of the first parking track section as a first termination point according to the initial position of the vehicle, the first parking steering angle and the minimum turning radius; determining a second parking steering angle and a third parking steering angle according to the relative position relation between the first termination point and the target parking position; and determining a second parking track section and a third parking track section according to the second parking steering angle and the third parking steering angle, and determining a parking track according to the first parking track section, the second parking track section and the third parking track section. According to the technical scheme, the parking track calculation efficiency can be improved, the parking distance can be shortened, and the parking safety can be improved.

The invention relates to a method for automatic parking speed control based on image vision. The method comprises the steps that a movement trajectory of a target parking space is calculated through collected real-time sequence images of the target parking space during vehicle movement; the movement trajectory of the target parking space and a parking path are subjected to comparability matching,and a comprehensive evaluation value is calculated; when the comprehensive evaluation value is greater than or equal to a first preset threshold value, a parking speed is unchanged, and when the comprehensive evaluation value is less than the first preset threshold value, the parking speed is adjusted according to the deviation angle change rate of a vehicle; and when the deviation angle change rate of the vehicle is greater than or equal to a second preset threshold value, the parking speed is reduced, and when the deviation angle change rate of the vehicle is less than the second preset threshold value, the parking speed is increased. According to the method for automatic parking speed control based on image vision, the movement trajectory of the target parking space and the parking pathare subjected to comparability matching, and segmentation calibration is performed on the parking speed according to the matched comprehensive evaluation value and the deviation angle change rate ofthe vehicle, so that the smoothness of the automatic parking speed control is improved, the user experience is enhanced.

The embodiment of the invention discloses an automobile parking control method and device and a computer storage medium, and belongs to the technical field of automobile engineering. The method comprises the steps of: when an application starting instruction is received based on an installed AVP application, sending an engine starting instruction to an automobile, wherein the engine starting instruction is used for indicating the automobile to start an AVP system after the engine is started, and after the automobile starts the engine and the AVP system, a starting success message is returned; after a starting success message sent by the automobile is received, displaying a parking selection interface; when a selection instruction for the target demand selection item is received based on the parking selection interface, displaying a parking control interface corresponding to the target demand selection item; and when the parking control interface corresponding to the target demand option receives the control instruction, sending the control instruction to the automobile to control the automobile to park. After the AVP system of the automobile is started through the AVP application, the automobile is controlled to achieve different functions, and parking safety is improved.