81results about How to "Realize automatic parking" patented technology

The invention provides an intelligent valet parking method, a computer readable storage medium and electronic equipment. According to the method provided by the invention, after environment information around a vehicle is periodically acquired, and static obstacles and dynamic obstacles in each period are identified, and an environment characteristic map is established based on a map coordinate system and according to the driving track information of the vehicle, and space parking spaces around the vehicle are identified in the environment characteristic map; and therefore, a planned driving path is generated for the vehicle, the vehicle can be controlled to reach a planned end point from a planned starting point along the planned driving path, and therefore, automatic parking can be realized. Based on the intelligent valet parking method provided by the invention, the surrounding environment information of the vehicle can be periodically and autonomously learned and the surrounding environment can be understood and memorized under the condition of not depending on a cloud high-precision map, so that the driving path can be planned for the vehicle, and the motion trails of the static obstacles and dynamic obstacles can be avoided.

The invention discLoses a parking method, a parking device and a storage medium and beLongs to the technicaL fieLd of vehicLe engineering. The method comprises acquiring an empty parking space that meets parking conditions when an automatic parking function is activated; pLanning a parking path of a target car according to current position of the target car and Location of the empty parking space;and parking the target car into the empty parking space according to the parking path. According to the invention, the target car is parked into the empty parking space according to the parking pathby obtaining the Location of empty parking space that meets the parking conditions and the current Location of the target car. Automatic parking is possibLe without cooperation of a driver's hands andfeet, which reduces the difficuLty of parking, simpLifies parking operation and improves parking efficiency and safety.

The invention discloses a digital doubling and twisting tester, which comprises feeding mechanisms, tension mechanisms, twisting and winding mechanisms and forming mechanisms symmetrical on two sides and a digital control system which takes a touch screen as an interface. The digital doubling and twisting tester is characterized in that: a bottom-roller servo motor is mechanically connected with a bottom roller through a bottom-roller speed reducer and a bottom-roller telescopic universal coupling in turn; the bottom-roller servo motor is an independent servo motor and is driven and controlled by a bottom-roller AC servo driving controller of the digital control system through the touch screen; a rolling disc and an encoder in the twisting and winding mechanism are arranged on a shaft of a spindle variable frequency motor; the spindle variable frequency motor is an independent variable frequency motor and is driven and controlled by a spindle frequency converter of the digital control system through the touch screen; and a forming motor in the feeding mechanism is an independent servo motor and is driven and controlled by a forming AC servo driving controller of the digital control system through the touch screen.

The invention provides an adaptive parking and auxiliary starting control method of a distributed driving off-road vehicle. When the driver is judged to have the intention of slow parking, the error between the real-time rotational speed of the motor and the desired rotational speed is taken as a control target, and the rotational speed command of the hub motor is adjusted by a PID controller. Judging that the vehicle speed is zero according to the information fed back by the vehicle running state measuring device, maintaining the rotational speed command of each hub motor to be zero, and realizing automatic parking on the slope; When the driver is judged to have the intention of starting and accelerating, the torque command of the whole vehicle controller is calculated by using the second-order sliding mode controller. The proportion of each wheel vertical load to the total vertical load is calculated, and the torque commands of the vehicle controller are distributed to the hub motorof the corresponding wheel according to the proportion. The method can be applied to off-road vehicles equipped with a hub motor distributed driving system and having high climbing performance requirements, and realizes the functions of adaptive slow parking and assisting in starting.

An embodiment of the invention relates to an automatic parking assistant method and system based on image vision. The method includes: collecting video images of a target area; extracting to acquire image frames one by one from the video frames; analyzing and processing the image frames one by one, and marking out parking space lines, wherein processing specifically includes: preprocessing the image frames, performing edge detection and linear detection, preliminarily screening to preliminarily determine a parking space range, eliminating non-target interference factors in the image frames, and combining analyzing and processing results of the image frames. The system comprises a video collection module, an extraction module and an image processing module, and the image processing module comprises a preprocessing unit, an edge detection unit, a parking space preliminarily-determining unit, an interference eliminating unit and a comprehensive processing unit. Parking space is accuratelydetected by analyzing and processing the image frames of the target area one by one and eliminating the non-target interference factors, so that convenience is brought to realizing automatic parkingof motor vehicles, and parking operation difficulty is lowered.

The invention relates to an intelligent autonomous navigation method for reconnaissance of a crawler-type chassis robot. The method comprises the following steps: step 1, acquiring laser radar data ofthe crawler-type chassis robot; 2, according to the obtained laser radar data, constructing a current region map based on an SLAM algorithm, constructing an inspection region global map according tothe current region map, and determining the global position of the robot, wherein the current region map is a topological map; 3, taking the global position of the robot as a base point, automaticallycalculating the direction of an advancing route, and completing the exploration and route planning of an unknown region; and 4, according to the inspection task point and the inspection task, controlling a robot motion system to arrive at the inspection task point to execute the inspection task. According to the intelligent autonomous navigation method for reconnaissance of the crawler-type chassis robot, route planning, autonomous navigation, obstacle avoidance, automatic parking and fixed-point inspection task completion of the wheeled chassis robot can be realized.

The invention discloses a baby walker with an intelligent danger-avoiding function. The baby walker comprises a walker body, wherein a barrier-avoiding and danger-avoiding module is mounted on the walker body and connected to a control module; and a voice alarm module, a brake module, a speed detection module and a driver module are connected to the control module. According to the baby walker with the intelligent danger-avoiding function, the barrier-avoiding and danger-avoiding module, the voice alarm module, the brake module, the speed detection module and the driver module are mounted on the baby walker, so that automatic stopping, steering and backing of the baby walker are realized; when the baby walker encounters a step or other barriers, a guardian is reminded to preferentially handle a dangerous case through the voice alarm device, so that the baby walker is safer and does not need to be watched, the time and labor are better saved, and the problems that a baby walker is poor in safety and needs to be watched in real time in the prior art are effectively solved; and the baby walker has the characteristics of simple structure and convenience and quickness for control.

The invention discloses a parking robot based on a hydraulic system. The parking robot comprises a control table, a fixed table and a movable table. Driving wheels are arranged at the bottom of the control table. A laser radar is arranged on the top of the control table. The hydraulic system, an electric control system and a lithium battery are arranged in the control table. The fixed table comprises a fixed bottom layer platform and a fixed platform. A fixed clamping rod and a movable clamping rod are symmetrically arranged on the two sides of the fixed bottom layer platform. The movable table is arranged on the side, away from the control table, of the fixed table. The movable table comprises a movable bottom layer platform, a movable platform and a movable platform oil cylinder. One endof the movable bottom layer platform is movably connected with the fixed bottom layer platform through the movable platform oil cylinder. Movable clamping rods are symmetrically arranged on the two sides of the movable bottom layer platform. The parking robot is reasonable in design, simple in structure, intelligent in operation and convenient to operate; by means of the hydraulic system, the size and thickness of the device are reduced, use is more flexible, the requirement for carrying vehicles with different axle spreads can be met, and the vehicles are automatically parked.

The embodiment of the invention provides a short-range substitute automatic parking method and device and an automobile. According to the method, the automobile can be automatically parked into a common parking space of an automobile owner. The method comprises the steps of when a short-range substitute parking function is activated, recognizing a target garage where a vehicle is located based onvehicle positioning; judging whether parking information associated with the target garage exists in a parking information base or not; if so, reading all parking information associated with the target garage from the parking information base; pushing all the parking information, and receiving a piece of target parking information fed back by the user after selection; judging whether a parking path exists in the target parking information or not; if so, controlling the vehicle to run according to the parking path in the target parking information; comparing the parking space information acquired by the image sensing module with the parking space number in the target parking information to determine the specific position of the target parking space when the vehicle runs to the vicinity of the end point position of the parking path in the target parking information; and controlling the vehicle to park in the target parking space.

The invention relates to a bicycle automatically parking device and system. The bicycle automatically parking device and system comprises a support, a code scanner, a lock, a button, a bar code outlet, a locking system, an unlocking system and an alarming system and can achieve the automatic parking, locking and unlocking of bicycles without any manual keeping or management and meanwhile have high security.

The invention provides an engineering vehicle autonomous parking system and engineering vehicle autonomous parking method suitable for a construction area. The engineering vehicle autonomous parking system comprises a vehicle unit and a sign unit, wherein the sign unit is movably or detachably arranged in the construction area, and parking space information is recorded in the sign unit; the vehicle unit comprises a vehicle body, a radar, an information acquisition device, a positioning device, a sensing device and a control device, and the control device is in communication connection with theradar, the information acquisition device, the positioning device, the sensing device and the vehicle body. By means of the engineering vehicle autonomous parking system provided by the invention, automatic parking can be achieved, and the parking efficiency and the parking safety are greatly improved. According to the invention, the sign unit is arranged and is used for recording the parking space information, the sign unit of the construction area can be dynamically arranged according to the change of the construction area, and the dynamic arrangement of the parking space is realized through the dynamically arranged sign unit, i.e., the dynamic planning of the parking area is realized.

The invention relates to a wheeled chassis robot inspection intelligent autonomous navigation method. The method comprises the following steps: step 1, acquiring multi-sensor data of the wheeled chassis robot; step 2, according to the acquired multi-sensor data, constructing a current region map based on an SLAM algorithm; step 3, based on the basic map and the current area map in the learning mode, fusing and constructing an inspection area global 3D map, and based on the constructed inspection area global 3D map, determining an inspection task point and an inspection task, wherein the basicmap is constructed in advance based on multiple times of video image machine learning; and step 4, based on the determined inspection task point and inspection task, positioning and planning a path inthe map, controlling the robot motion system to arrive at the inspection task point to execute the inspection task, and continuously and accurately searching and expanding the map through machine learning. According to the invention, route planning, autonomous navigation, obstacle avoidance, automatic parking and fixed-point inspection task completion of the wheeled chassis robot can be achieved.

The invention provides an automatic parking device and a control method thereof. The automatic parking device comprises a seat and a hand brake, the hand brake comprises a pull rod, a pushing assemblyused for pushing or releasing the pull rod is arranged below the pull rod, a seat frame is arranged at the bottom of the seat, and jacking parts used for elastically jacking the seat to enable the seat to be separated from the seat frame are arranged between the seat frame and the seat. The control method can be divided into an automatic parking mode and a manual rapid parking mode according to aparking mode, wherein the automatic parking mode comprises the steps of automatic parking, stopping, releasing and the like, and the manual rapid parking mode comprises the steps of manual parking, linkage fixing, unlocking and the like. According to the automatic parking device and the control method thereof, when the automatic parking mode is adopted and a driver leaves the seat, the seat is separated from the seat frame under the elastic jacking action of the jacking parts, so that the pushing assembly is electrified and drives the pull rod of the hand brake to push upwards to realize automatic parking, the structure is simple, the manufacturing cost is low, in addition, the automatic parking function can be achieved, the accidents caused by automatic car sliding after the driver leaves can be avoided, and therefore the safety can be ensured.

The invention discloses an automatic parking charging device for rail trolleys. The automatic parking charging device for rail trolleys comprises rails and a trolley. A current collector, a charger, a battery, a controller, a motor and a reducer are arranged on the trolley. An output shaft of the motor is connected with an input shaft of the reducer. An output shaft of the reducer is connected with a wheel shaft through a transmission mechanism. The automatic parking charging device for rail trolleys is characterized in that a first support and a second support are arranged on two sides of the trolley, a trolley conductor is arranged at the top of the first support, a third support is disposed on the trolley side wall adjacent to the first support, the current collector is fixed on the third support, the current collector is in sliding fit with the trolley collector, a signal separator is disposed on one side of the second support, close to the trolley, two photoelectric switches are disposed on each side of the signal separator, the photoelectric switches on one side correspond to the photoelectric switches on the other side, and the signal separator is provided with two pores which correspond to the photoelectric switches on two sides. The automatic parking charging device for rail trolleys is easy to recharge, requires lower workload, enables labor intensity to be reduced, and is applicable to assembly lines of large equipment.

The invention discloses a balanced type energy saving fully automatic underground parking garage for motor vehicles and a technology, and belongs to the field of mechanized equipment and automobile industry. Centralized three-dimensional intelligent parking of the motor vehicles is an important problem of modern city development, at present, most underground parking garages are in an original free parking state, and a small number of the automatic underground parking garages have many problems at aspects of degree of automation, efficiency and the like. According to the balanced type energy saving fully automatic underground parking garage for the motor vehicles and the technology, a car to-be-parked enters a hanging basket type parking space through the center of two composite hollow power wheels, and power is provided by a motor power assembly driven by a worm and gear with adjustable speed. Hanging basket assemblies used for parking are hanged on symmetrically power chains evenly and returns through the space between two non-central shaft hollow chain wheels which are symmetrical at lower portion without barriers, underground entering and exiting cycle parking of cars is formed, then a deep well type parking garage unit with function of balanced type energy saving and fully automatic administration is obtained, and a plurality of the units can be installed in parallel to achieve multitudinous storage of the motor vehicles.

The invention provides an automatic parking system and method. The automatic parking system and method are used for automatically parking a vehicle of a user to a fixed parking space. The automatic parking system comprises a positioning device, a storage device, a receiving device and a control device, wherein the positioning device is used for obtaining the current position of a vehicle; the storage device is used for storing an initial position for automatic parking of the vehicle and a preset specified parking route; the receiving device is used for receiving a parking request from a user;and when the receiving device receives the parking request, the control device is used for acquiring the initial position and the specified parking route from the storage device, judges whether the current position acquired by the positioning device is located in an error range of the initial position or not, and controls the vehicle to drive to the fixed parking space according to the specified parking route and park the vehicle in the fixed parking space when the current position is located in the error range of the initial position. As a result, automatic parking can be performed with highaccuracy at low cost by a simple operation.

The invention discloses an operating method for an electrombile backing anti-collision system. When a driver is in the backing process, ultrasonic wave is emitted by a radar detector and reflected to the radar detector after encountering a barrier, the radar detector receives the reflected ultrasonic wave and transmits the ultrasonic wave to a processor, the processor calculates the actual distance between a rear bumper and the barrier, the calculated actual distance is transmitted to a controller in real time through the processor, the controller compares the actual distance with the alarming distance A, when the actual distance is less than the alarming distance A, the controller transmits an alarming signal to a loudspeaker through the processor, so that the loudspeaker makes a long bray for alarming, when the actual distance reaches the critical distance B, the controller transmits a stopping signal to a motor, so that the motor is reversed instantaneously, the electromobile is forced to stop backing, backing collision can be effectively prevented, backing can be completely and automatically controlled by a control system, backing of the driver is convenient, the comfortableness and safety of a vehicle are improved, and convenient is provided for travelling of people.

The invention provides a parking brake auxiliary device and a vehicle. The device comprises a controller which is connected with a brake lamp signal wire of the vehicle to acquire the state information of a brake pedal and output a brake signal in a pressing state; a brake actuator connected with the controller comprises a driving mechanism, a toothed batten connected with the driving mechanism, and a double-pulley plug arranged at the top end of the toothed batten; the brake actuator is also provided with a fixing part used for fixing the brake actuator on a girder side of the brake pedal of the vehicle; and the driving mechanism is also provided with a signal lead connected with the controller, and the driving mechanism is used for driving the toothed batten to move towards the girder of the brake pedal when the signal lead receives the brake signal so as to enable the double-pulley plug to press the girder of the brake pedal. The parking brake auxiliary device provided by the invention can realize automatic parking, effectively improves the reliability of parking brake on the basis of reducing the labor intensity of a driver, and is flexible in mounting and wide in range of application.

The invention discloses an unmanned parking system based on an automatic valet parking technology. The system comprises a mobile terminal with a built-in APP, a vehicle-mounted camera, a master control system, a parking planning network system based on V2R and V2I technologies, and a parking lot monitoring assembly arranged in a parking lot. The parking lot monitoring assembly comprises a parkinglot camera and a sensor. The parking lot camera is used for collecting real-time condition information in the parking lot. The vehicle-mounted camera is used for collecting road condition informationin the driving process of a target vehicle. The sensor comprises a laser distance sensor used for collecting the distance between a target vehicle and an obstacle. The parking planning network systembased on the V2R and V2I technologies carries out path analysis and sends a path analysis result to the master control system, and the master control system calculates at least one vehicle parking / picking-up scheme and sends all planned schemes to an APP of a user mobile terminal for a user to select. Automatic parking and automatic vehicle taking of the vehicle are achieved.

The invention discloses an electronic parking control module of an automatic parking system of an electric moped. The module comprises a control circuit board and a load sensor. The control circuit board is provided with a single-chip microcomputer minimum system, a vehicle speed detection circuit, a load detection circuit and a logic control circuit. The single-chip microcomputer minimum system drives the parking motor through the logic control circuit to enable the parking supporting frame connected with the parking motor to be supported or retracted, and the load sensor is a shaft pin typeload sensor arranged on a connecting pin shaft of the parking motor and the parking supporting frame. The automatic parking control system is used for controlling automatic parking of the electric moped, so that the situation that labor is wasted due to the fact that an existing two-wheeled electric vehicle depends on manual parking can be changed, and the functions of automatic parking, related mistaken supporting prevention, overload prevention and the like are achieved.

The invention provides an electric bus automatic parking method based on multi-sensor fusion. The electric bus automatic parking method comprises the following steps that firstly, when a bus arrives at a station, a license plate recognition camera identifies a license plate of the bus entering the station at an entrance gate; then a photoelectric sensor installed at a side body of the bus starts to work and correspondingly detects that retroreflectors of a start point and a stopping point for bus automatic parking are opened, when the photoelectric sensor installed at the side body of the busdetects the position of the retroreflector of the stopping point, the bus is stopped; then a reverse gear is automatically engaged, a steering wheel is completely turned for bus backing, a millimeterwave radar and an ultrasonic wave radar installed on the rear portion of the bus are used for detecting obstacles on a bus backing path, when the bus body rotates by 90 degrees to be parallel to a parking space, a parking space recognition camera recognizes parking space lines, if the complete parking space can be recognized and no obstacles exist, the bus is backed into the parking space, and automatic parking is completed. The electric bus automatic parking method realizes automatic parking after the bus enters the station, and the labor intensity of a driver is greatly reduced.

The invention provides an automatic braking and parking unlocking system and method suitable for a forklift. The automatic braking and parking unlocking system comprises a controller for receiving various signals, conducting computing treatment and sending an instruction, an accelerator pedal switch electrically connected with the controller and used for sending an accelerator pedal signal to thecontroller, an advancing / retreating gear switch electrically connected with the controller and used for sending an advancing / retreating gear signal to the controller, a speed sensor electrically connected with the controller and used for colleting vehicle driving speed data and sending the data to the controller, and a pressure switch communicated with a parking and braking electromagnetic valve,electrically connected with the controller and used for detecting whether the pressure of an energy accumulator is normal or not and sending a pressure switch signal to the controller. The automatic braking and parking unlocking system has the advantages that automatic parking can be realized, slope sliding is effectively prevented, parking is automatically unlocked when the forklift is started, parking and braking do not need to be frequently carried out, and labor intensity is relieved.

The embodiment of the invention provides a parking control method and device. The method comprises the steps that driving information and environment information of a vehicle are acquired; when the driving information meets a preset parking intention condition, whether the vehicle is located in a parking area or not is judged according to the driving information and / or the environment information; and if YES,a vehicle is controlled to park. According to the embodiment of the invention, when it is determined that the driver in the vehicle has the parking intention based on the driving information of the vehicle, whether the vehicle is currently in the parkable area or not is judged according to the driving information and the environment information, and if the vehicle is currently in the passenger parking area, the vehicle is controlled to park, so that a user is prevented from manually triggering the vehicle to park; and the driving safety and the parking efficiency are improved.

The invention provides a three-dimensional parking system comprising an initial parking space, a parking space, a parking robot and a master control device, the parking space comprises a ground parking space and an upper-layer parking space formed by installing a parking frame on the ground parking space, each group of parking spaces is two columns of double-row parking spaces having the oppositeentrances, a plurality of groups of parking spaces are arranged in the parking lot, and the initial parking spaces are arranged beside the parking spaces, the parking robot is responsible for transferring the vehicles at the initial parking spaces, the ground parking spaces and the upper-layer parking spaces, and a robot parking space used for parking the parking robot is further arranged betweenthe two group of ground parking spaces. The system has the beneficial effects that the second-layer parking spaces are additionally arranged on the basis of an original single-layer garage by means ofthe simplest device, the utilization rate of the garage is improved, and automatic parking can be realized, the parking time of the vehicle owner is saved, and accidents easily occurring during parking are reduced; the vehicle stopped at the designated position can be automatically identified, and then the vehicle can be parked or taken out.

The invention discloses a vehicle speed control mechanism for a bullet loading vehicle. The vehicle speed control mechanism comprises a pedal; the middle of the top end of the pedal is hinged to a pedal base through a pedal shaft; the pedal base is fixed on a frame; a vertical swing arm is fixedly connected to the middle of the pedal shaft; a driving rod is hinged to the top end of the swing arm; the other end of the driving rod is hinged to a shift rod outside a throttle controller; a vertical speed limiting slotted board is fixedly connected onto the driving rod; a brake handle and a cover plate are arranged on the throttle controller; a speed limiting handle is hinged to the front end of the cover plate; a speed limiting pull rod is hinged to the bottom end of the speed limiting handle; a rotating shaft perpendicular to the speed limiting pull rod is fixedly connected to the right end of the speed limiting pull rod; and the front end of the rotating shaft is inserted in a sliding chute in the middle of the speed limiting slotted board. The vehicle speed control mechanism solves the problem that a conventional bullet loading vehicle is poor in running continuity, poor in form stability, and poor in smoothness, and has the advantages of being high in degree of automation, convenient to operate, and convenient and fast to maintain.

The invention discloses a stereo garage management robot system and a control method, relates to the technical field of stereo garages. The system is characterized in that the stereo garage managementrobot system comprises a machine body and a control system, wherein the machine body comprises a sound positioner, a walking driving mechanism, a first camera, a second camera, a projector and a display screen, the control system comprises a vehicle positioning module, a robot navigation module, a payment management module, a stop line projection module, an image acquisition module and a commandcontrol module. The system is advantaged in that parking spaces are automatically searched through vehicle units and robot positioning navigation, so the vehicle parking time of drivers is shortened,parking operation and charging are started after payment and code scanning, and the parking position of the vehicle is automatically guided after the intelligent terminal completes fee payment, so feepayment is quick, and meanwhile, vehicle taking is convenient, in addition, the fluorescent parking space lines are put, the positions of the parking spaces can be clearly displayed, and drivers canconveniently and safely drive into the corresponding parking spaces.

The invention discloses an automatic parking method. The method comprises the steps that 1, the starting of an automatic parking mode is determined; 2, whether or not there exists a parking region inthe periphery is sensed by using a sensor system; 3, whether or not the parking region can accommodate a to-be-parked vehicle is analyzed; 4, the parking route of the to-be-parked vehicle is planned under the situation that the parking area can accommodate the to-be-parked vehicle, and step 2 is returned to select the parking area again under the situation that the to-be-parked vehicle cannot be accommodated by the parking region; 5, whether or not obstacles are bumped in the parking route is judged, the parking route is planned again under the situation that the obstacles can be pumped untilno obstacle is bumped in the parking route, and the to-be-parked vehicle is parked according to the parking route of the to-be-parked vehicle. The automatic parking method has the advantages that automatic parking is achieved, bumping can be prevented, and a parking space can be automatically searched.

The invention relates to a union steering device and belongs to the technical field of an automobile steering system. The device comprises a steering wheel, hand wheels, a steering pipe column, a hydraulic power assisted steering gear, a controller, a motor assembly, a worm and gear reducing mechanism assembly and an automobile speed sensor, wherein the worm and gear reducing mechanism assembly is installed between the steering pipe column and the steering wheel, the motor assembly is installed on one side of the worm and gear reducing mechanism assembly, and the worm and gear reducing mechanism assembly is connected with the motor assembly. The union steering device achieves automobile speed sensing control over portable steering in on-site or low-speed driving, and stable steering in high-speed driving and solves the problem of excessively-large meshing stress of a gear and a rack. Due to the fact that the union steering device needs small output torque, the speed ratio of a motor reducing mechanism is low, influences on reverse efficiency and return-to-center performance are small, and the application range of the union steering device can cover all automobile types.

The invention discloses a parking system capable of automatically parking based on electromechanical control. The system comprises moving tables, fixed tables and a wall. At least two moving tables are arranged in an up and down aligning manner, the fixed tables are arranged below the moving tables in an aligned manner, the fixed tables are fixedly connected through a connecting plate, hydraulic cylinders are fixedly connected to the four corners of the bottom face of the fixed table on the bottommost part, clamping grooves are formed in the two sides of the bottom of each moving table in an aligned manner, meanwhile, clamping strips are arranged at the positions, under the clamping grooves, of the top faces of the fixed tables, and are clamped in the clamping grooves in a sliding manner,storage cavities are formed in the positions, below the fixed tables, of the wall, cameras are fixedly mounted at the positions, on one sides of the moving tables, of the bottom face of the top of thewall, mounting boxes are arranged on the other sides of the cameras, and PLCs are arranged in the mounting boxes. Through a guide screen, the PLCs, a wireless signal transceiver, a license plate detector, a guide screen, the cameras and the moving tables, the problem that an existing parking site lacks the intelligent guide parking function and cannot achieve the automatic parking is solved.

The invention discloses a failure-protecting decoupling-type braking mechanism and a control method. The mechanism includes a hydraulic tank, a main cylinder, a hydraulic adjusting device, a wheel cylinder, a braking pedal, a braking pushrod, a transmission mechanism and an external power source; the external power source is used for providing rotating torque for the transmission mechanism; the transmission mechanism includes a turbine, a gear arranged at the same shaft with the turbine, a rack, and a decoupling sleeve arranged at the exterior of the rack in a sleeved mode; upper teeth of the rack mesh with the gear; a rack displacement sensor is installed on the left end of the rack, and is used for measuring the distance between the rack and the inner wall of the decoupling sleeve, so that the braking pushrod does not make contact with the transmission mechanism when the external power source runs normally, and therefore braking decoupling is achieved; on the basis of the achievement of motion decoupling of the braking pedal and the braking main cylinder, the mechanism is provided with an emergency failure-protecting mechanism, has good control flexibility, and at the same time, effectively ensures the safety and reliability of vehicle braking.