510results about How to "Improve travel efficiency" patented technology

The invention relates to an electromobile charging path planning method based on an intelligent transportation system, belonging to the technical field of operation and control of electric systems. The electromobile charging path planning method comprises the following steps of: firstly, a traffic control center judges whether an electromobile needs to be charged according to information of the electromobile; if necessary, an owner is prompted to charge the electromobile; the traffic control center searches all charging stations in the maximum range of the electromobile as candidate charging stations and calculates the charging probability of the electromobile in each charging station; a charging load is predicated according to the charging probability and is transmitted to an electric system scheduling center, and the electric system scheduling center calculates the allowable maximum charging power of each charging station and transmits the allowable maximum charging power to the traffic control center; and the traffic control center transmits traveling and charging total time sequence obtained according to the maximum charging power to the owner. The electromobile charging path planning method provides an optimal charging path for the owner of the electromobile and improves the traveling efficiency of the owner. In addition, the operation requirements of the electric system are sufficiently considered in the selection of the charging stations, and therefore the safe operation of the electric system is guaranteed.

The invention discloses an AGV path tracking method. The method comprises steps: (a) a path map, path points and a right angle coordinate system are preset in an AGV navigation mechanism, and according to the set path points, a path curve equation S is generated; (b) the AGV moves according to the path curve equation S; (c) the navigation mechanism tracks the path curve equation S with a reference point O; (d) coordinates of the current reference point O and the current heading angle alpha of the vehicle body are calculated; (e) coordinates of the current reference point O to the nearest point P on the path curve equation S are calculated; (f) the theoretical heading angle beta of the AGV is calculated; (g) a lateral deviation value e is calculated; (h) a deviation angle delta is calculated; (i) whether the AGV body is derailed is judged; and (j) a steering wheel angle A is calculated, a driving mechanism corrects a driving path according to the steering wheel angle A, and one path tracking period is completed. According to the AGV path tracking method of the invention, the AGV can move along the preset path curve equation S with few deviations.

The invention relates to the field of traffic forecasting. A road traffic forecasting method comprises the steps that information collecting is carried out, namely vehicle driving related information and traffic forecasting auxiliary information are collected; driving path analyzing is carried out, so as to calculate the driving path, which takes a road as an element, of each vehicle to acquire driving path data; road traffic threshold calculation and vehicle behavior chain analysis are carried out, wherein road traffic threshold calculation is used for calculating the traffic threshold of each road in different flow states, and vehicle behavior chain analysis is used for analyzing and calculating the behavior chain of each vehicle; vehicle behavior mode analysis is carried out to analyze and calculate the travel mode of each vehicle; vehicle travel forecasting is carried out to forecast the travel purpose, the starting point, the driving path, the probability and the time of each vehicle in future; road traffic forecasting is carried out to forecast the flow, the flow patterns, the vehicle sources and the destinations of different roads at different times in future; and information releasing is carried out on a road traffic forecasting result.

The invention relates to a parking guidance system, which comprises a parking space monitoring sub-system and is characterized by further comprising a destination selection switch, a vehicle identification device, a vehicle detection sub-system, a guidance board sub-system and a central processor, wherein the destination selection switch and the vehicle identification device are arranged at the entrance of a parking lot; the vehicle detection sub-system is used for monitoring running tracks of vehicles in the parking lot, and the vehicle detection sub-system comprises a plurality of video processing modules which monitor preset sub-regions in the parking lot; and the central processor is in signal connection with the parking space monitoring sub-system, the vehicle detection sub-system, the guidance board sub-system, the destination selection switch and the vehicle identification device. The invention further discloses a parking guidance method based on the parking guidance system. According to the invention, guidance with a destination is provided for a driver, thereby providing more comfortable parking guidance experience for the driver. Meanwhile, the planned parking position is close to the destination of the driver, so that the driver is enabled to arrive at the destination more quickly, and the travel efficiency of the driver is improved.

The invention relates to a method for charging and navigating electric vehicles on the basis of traffic information and power grid information, and belongs to the field of operation and control technology for power systems. The method includes abstracting a road traffic network to form a traffic map and acquiring traffic flow data of various roads; computing the maximum charging power of a next moment according to prediction of future load of a distribution network and regulating the maximum number of quick chargers allowed to be started in each charging station in a future period; and monitoring various information and charging requests of the electric vehicles in real time, computing the shortest charging completion durations of a certain vehicle traveling to the various charging stations after the certain vehicle uploads a charging request, selecting the charging station corresponding to the smallest value of the shortest charging duration and navigating the electric vehicle to the charging station. The method has the advantages that the available charging load of a power system is maximized on the basis that safe and stable running of the power system is guaranteed, a charging mode with the minimum time consumption is selected from the viewpoint of a vehicle owner so as to determine a navigation route, the travel efficiency of the vehicle owner is improved, and the vehicle owner can actively follow charging guidance.

The invention provides an urban rail transit emergency passenger flow space-time distribution prediction method, which comprises the steps of analyzing historical emergency driving organization adjustment measures based on historical data, and mining passenger flow space-time distribution rules, influence ranges and passenger selection behaviors of historical emergencies; based on the AFC real-time card swiping data, predicting OD distribution under emergencies by using a space-time correlation prediction model in combination with a mining result of historical data; performing real-time adjustment and deduction on the train timetable under the emergency according to an analysis result of historical emergency driving organization adjustment measures, and updating an effective path of the track; and realizing rail transit passenger flow space-time distribution state prediction under different emergency scenes by combining the rail effective path updating result and the OD distribution prediction result under the emergency and based on a multipath probability distribution model. According to the method, the passenger flow distribution condition of the rail transit road network under the emergency situation can be accurately mastered in real time.

The invention discloses an automobile use right sharing device, a control device and an intelligent automobile. The automobile use right sharing device comprises an information receiving module, an authorization data generating module and an information transmitting module, wherein the information receiving module is used for receiving automobile use right application information of an automobile use right applicant and automobile authorization result information of an automobile owner; the authorization data generating module is used for associating pre-stored characteristic information of the automobile use right applicant with automobile information to generate authorization data after receiving the automobile authorization result information agreed by the automobile owner; and the information transmitting module is used for transmitting the automobile use right application information when identity information of the automobile use right applicant passes through the verification, transmitting the automobile authorization result information when the automobile authorization result information is received and transmitting the authorization data. According to the technical scheme provided by the invention, automobiles are rapidly and reliably shared, the traveling mode is optimized, the traveling experience is improved, the traveling efficiency is increased, the traveling cost is reduced, and social problems, such as automobile tail gas pollution, road congestion and the like, due to the increasing of the automobiles are solved.

The invention relates to a motorcade navigation method, which comprises that: master motor vehicle navigation equipment is distinguished from slave motor vehicle navigation equipment by unique identifiers on a background server; the master and slave motor vehicle navigation equipment transmits position information to the background server in a wireless way; and each piece of navigation equipment prompts own latest position and the latest position of all the other navigation equipment. By the motorcade navigation method provided by the invention, each vehicle in a motorcade defines the positions of a master motor vehicle and other slave motor vehicles by the navigation equipment in the vehicles and conveniently and rapidly gets together with the master motor vehicle or the other vehicles according to relative position relationships between the master motor vehicle or the other vehicles and the vehicle, and the master motor vehicle can observe the driving conditions of each slave motor vehicle to greatly improve the safety and convenience of driving of the motorcade; and simultaneously, the motorcade also can know the regional information and the like of a place in which the motorcade is to improve the convenience in driving and travel efficiency.

The invention discloses an intelligent traffic light controlling system which comprises a monitoring camera, a traffic signal lamp and countdown lamp, a crossing traffic flow detection microprocessor, a traffic signal timing automatic adjustment and calculation microprocessor, a display driver module, a digital image processor, and an I / O interface. A controller automatically adjusts signal timing of traffic lights to enable utilization rate of green light in each direction of the crossing to increase or decrease along the same trend, compared with the traffic flow, thereby identifying flow state of the crossing in an effective and dynamic manner, adjusting signal timing automatically, and reducing traffic jam.

The invention discloses a passenger trip path recommendation method and system in urban mass transit. The method is applied to recommendation of trips of passengers in the urban mass transit, and the passengers can be helped to select optimal paths or secondary optimal paths for trips in the urban mass transit. The method comprises the following steps: selecting a shortest path according to generalized costs of sections and stations, establishing a passenger flow allocation model by using the Anylogic software to realize overall master and control of the urban mass transit system, and judging whether a passenger uses the shortest path or the secondary shortest path for trip according to whether the degrees of congestion of the lines and the stations where the shortest path are located. By implementation of the passenger trip path recommendation method and system disclosed by the invention, the trip efficiency of the passengers in the urban mass transit can be improved, and congested roads and nodes in the urban mass transit network are judged to balance the performance of the urban mass transit network.

The invention discloses a road traffic congestion index calculation method based on a fixed detection device. The method comprises the steps that data collected by the fixed detection device are compared and processed by using a period of 5 to 10 minutes, so as to acquire a representative speed value and travel time of the road in a time period; and a congestion index calculation formula is used to convert the speed value and travel time into a road traffic congestion index to acquire the current traffic congestion of the road. According to the invention, the traffic congestion index of the road network is calculated through parameters such as the length of the road, the travel time, the speed, the number of lanes, the free travel speed, the occupancy rate and the flow rate; travel delay time is used to reflect the traffic congestion index, and the traffic congestion index is closer to the congestion feeling of a driver; the calculation of the road congestion index can provide automatic input parameters for an urban intelligent traffic light signal controller; automatic traffic light control is realized; and the road use efficiency and the work efficiency of a traffic management department are improved.

The invention relates to a mobile social network implementation system and method based on vehicle communication. The mobile social network implementation system comprises an intelligent mobile terminal, a social network application service platform based on vehicle communication and a mobile cellular network or a WiFi communication network supporting mobile data communication. The social network implementation method comprises the first step that a license plate number is registered, the second step that a mobile phone number and the license plate number are bound, the third step that a user logs into and uses the social network application service platform and the fourth step that the user logs out of the social network application service platform. The mobile social network implementation system and method based on vehicle communication have the advantages that the popularizing rate of the intelligent mobile terminal increases year by year, and the intelligent mobile terminal is carried with the user and can be used as a vehicle-mounted mobile terminal; since mobile internet is achieved through the mobile cellular network and the like, communication between vehicles can be achieved efficiently at low cost, information communication between vehicle divers is realized, and popularization and convenience of the internet of the vehicles are promoted.

The invention discloses an information processing method, an information processing device and an information processing system. The processing method comprises that: a server receives navigation information sent by a navigation terminal, and the navigation information carries group identification; the server matches corresponding online navigation terminals according to the group identification, and generates a broadcast message; and the server sends the broadcast message to the online navigation terminals. The method, the device and the system realize the display of position information of all members in a team on a GPS navigation terminal, provide information communicating service between the members, make the navigation information resource shared, provide the base of timely adjusting running routes of all the members in the team, improve the efficiency of team trips, and strengthen the mobility and flexibility of the whole team.

The embodiments of the invention disclose a cloud monitoring method, a cloud server and a cloud monitoring system for the state of the parking spots in a parking lot. The method comprises the following steps: a parking lot monitoring system collects a static parking spot state image and uploads the static parking spot state image to a cloud server; the cloud server compares the static parking spot state image with existing parking spot state models stored in the cloud server, and judges and stores the state information of parking spots; if there is an existing parking spot state model consistent with the static parking spot state image, the parking spot state is judged directly, and if there is no existing parking spot state model consistent with the static parking spot state image, manual judgment is made, and the static parking spot state image is taken as a new parking spot state model; and a driver reserves a free parking spot through a driver client and sends the reservation information to the cloud server, and a parking lot parking spot state display terminal updates information in real time. According to the invention, information exchange between drivers and parking lots is realized, and the level of fine management of parking lots is improved.

The invention discloses an intelligent expressway traffic monitoring system based on the GPS and GPRS. The intelligent expressway traffic monitoring system is characterized by comprising a background monitoring center, intelligent traffic equipment and data processing centers arranged on an inlet and an outlet of an expressway. The intelligent traffic equipment is allocated to vehicle users when vehicles enter the expressway, recycled when the vehicles exit the expressway and used for recording driving states of the vehicles and sends recorded vehicle information to the background monitoring center in real time; the data processing centers are used for recognizing vehicles when the vehicles enter the expressway and writing the recognized vehicle information in intelligent traffic equipment to be allocated; vehicle historical driving states are read according to recycled intelligent traffic equipment when the vehicles exit the expressway, and billing is carried out according to vehicle historical driving tracks or mileages; the background monitoring center judges states of the vehicles according to the vehicle information which is obtained in real time and sends warning messages or prompts according to the states of the vehicles. The system can precisely bill, relieve traffic jam, improve traveling efficiency, and meanwhile guarantee orderliness and smoothness of the expressway.

The invention provides an intelligent multifunctional bus station which comprises a station frame, a canopy, columns, and a seat. A bus real-time information query board is installed on the front of the bus station between two adjacent close columns. A convenience board is installed on the back of the bus real-time information query board. A rolling billboard is installed between two adjacent distant columns on the front and back of the station. A shared all-weather umbrella device is installed at one side of the station, and a dustbin is installed at the other side of the station. A camera and shared WIFI equipment are installed on the station frame. A solar panel is installed on the canopy. The columns are provided with a plurality of bus station two-dimensional code scanning areas. The bus station is highly intelligent, informationized, safe and convenient. Convenience and safety are brought to bus passengers, and the multi-page rolling billboard of the bus station can display a lot of useful information. Through use of the solar panel, the running cost of the bus station is reduced. A mobile phone version intelligent bus system greatly enhances the convenience in taking bus.

An adaptive traffic control subarea dividing method based on spatial data mining belongs to the field of traffic technology. The method aims to settle a problem of relatively low outgoing efficiency of a control area which is divided by an existing control subarea dividing method. The method comprises the steps of firstly performing characteristic extraction on a peak time period, a valley time period, a high flow threshold, a middle flow threshold and a low flow threshold, selecting a traffic information characteristic which affects dividing of the control subarea; then establishing an influence weight calculating model based on a time-space characteristic, obtaining the weight of a characteristic r, and finally realizing traffic control subarea based on a weighted commodity detection algorithm divided by a dynamic module degree. The adaptive traffic control subarea dividing method is suitable for dividing the traffic control subarea.

The invention relates to an instant information interaction method among vehicles. The method comprises that position information and sharing attribute information of each vehicle are obtained in real time; and when one vehicle tries to make instant information interaction with other vehicles, the position information of the vehicle is compared with the vehicle position information shared by the other vehicles, and instant information interaction among the vehicles is established based on the vehicle position information. The invention also provides an instant information interaction system among the vehicles. According to the invention, a vehicle owner can make instant information interaction with the vehicles in the same shared position, the owner can know a traffic jam or road fault at first time and rearrange another route timely and reasonably, and the travelling efficiency is improved effectively.

The invention discloses a vehicle navigation device and method. The device comprises a data acquisition module, a route generation module, a route matching module, and a navigation module, wherein the data acquisition module is used for acquiring current driving path data of a vehicle to be navigated within a preset duration away from the current moment when detecting a usual route navigation instruction; the route generation module is used for generating a current driving route of the vehicle to be navigated according to the current driving path data; the route matching module is used for judging whether the current driving route is matched with a prestored usual driving route or not; if the current driving route is matched with the usual driving route, traffic information on the usual driving route is acquired; the navigation module is used for outputting a corresponding navigation suggestion according to the traffic information on the usual driving route. The vehicle navigation device and the method provided by the invention timely inform a user through the navigation suggestion when special circumstances such as jam, ponding or road maintenance occurred on the usual route, so that a vehicle of the user is prevented from being blocked on the usual route, meaningless time waste is avoided, and the transportation efficiency of the user on the usual route is further improved.

The invention provides a vehicle travelling guiding system based on internet of vehicles and a method for guiding vehicle travelling, belonging to the field of navigation apparatuses. The vehicle trip guiding system includes a route planning unit, a road condition information acquisition unit, and a road condition data service center, the route planning unit is used as a terminal to be arranged on a vehicle, and based on the road passing speed information of the passing road, the travelling route between the departure and the destination is planned. The road condition information acquisition unit is arranged on the vehicle, the real-time position of the vehicle, the passing direction of the vehicle, and the real-time passing speed of the vehicle can be timely monitored, the road condition data service center is in communication connection with the route planning unit and the road condition information acquisition unit via wireless network. The system improves the travelling efficiency, reduces the travelling cost, alleviates the traffic pressure, and reduces the traffic pollution.

The invention relates to an artificial fish swarm algorithm based traffic route searching method. The artificial fish swarm algorithm based traffic route searching method comprises the following steps of setting a maximum number of iterations of an algorithm to be Max, the size of a fish swarm to be n, the dimension of parameters to be d, a state position of the i fish to be (Xi1, Xi2, Xi3 to Xid), the food concentration of the i fish to be f (Xi), a shortest route value to be as the following formula; step 1 initializing algorithm parameters; S2 perform random initialization on the fish swarm within solution space; S3 calculating a target value which is as the following formula of artificial fish through fuzzy simulation and extracting a current optimal solution Xgbest; S4 judging whether the algorithm achieves the maximum number Max of iterations or not, outputting the optimal solution on an annunciator board and ending the algorithm if yes and executing steps from a S5 to S9 if no; S5 enabling individuals in the fish swarm to randomly swim; S6 executing a foraging operation; S7 executing a bunching operation; S8 executing a tailgating operation; S9 enabling the number t of iterations is equal to t+1 and executing the S3. The artificial fish swarm algorithm based traffic route searching method can rapidly search a most convenient traffic route.

The invention discloses a method of querying real-time bus arrival information, and belongs to the field of intelligent traffic. The method includes utilizing the next station information, station delay and station travelling time information of each bus, and acquiring arrival information of N arriving buses of each line and station in real time and updating and storing; monitoring and receiving query commands, querying the arrival information of the N arriving buses from the cache according to the query commands, and returning the querying result. Defects that current bus querying service only supplies static information are focused, by the aid of dynamic data generated by an existing prediction system, the method, based on internet, of real-time bus arrival information querying service is provided so as to solve the problem that passengers wait for a long time (including waiting in transfer processes) on stations due to low bus punctuality rate, travelling efficiency is improved, and travelling experience is also improved.

A traveling vehicle system includes a track network including tracks, a plurality of traveling vehicles, and a traveling vehicle controller. The controller is programmed and configured to include an abnormality detecting unit configured to detect an abnormality in a track on the downstream side of a diverging section including at least the track; and an entry determining unit configured to, in a case that a traveling vehicle that has just passed through the diverging section enters the track and a traveling vehicle that has immediately thereafter passed through the diverging section is about to consecutively enter the track, when the abnormality detecting unit has detected no abnormality, skip determination of whether the traveling vehicle is allowed to enter the track and, when the abnormality detecting unit has detected an abnormality, determine whether the traveling vehicle is allowed to enter the track.

The invention discloses a vehicle service system comprising a cloud server, a vehicle owner service client, a parking lot station service client, a vehicle-borne positioning unit, a vehicle incoming and outgoing detection unit, a parking card, a parking spot information bulletin board, and an indoor parking spot guidance unit. The cloud server is connected with a user, a parking lot station, the vehicle-borne positioning unit and the indoor parking spot guidance unit in a two-way mode, and connected with the vehicle-borne positioning unit in a one-way mode. The system can provide real-time idle parking spot query, parking spot reservation, vehicle guidance and other services for vehicle owners. The additionally-arranged indoor parking spot guidance unit of the system can provide accurate indoor guidance service for vehicles under the condition that the GPS and other satellite positioning signals are poor or the network communication signals are unstable, so as to provide more user-friendly intelligent vehicle services for vehicle owners, improve the travel efficiency of vehicle owners, and reduce energy consumption.

The embodiment of the invention relates to the technical field of intelligent driving vehicles and discloses a control method for automatically yielding special vehicles and a vehicle-mounted system.The control method for automatically yielding the special vehicles is applied to the vehicle-mounted system; the vehicle-mounted system is mounted on the intelligent driving vehicle; at least three sound sensing equipment are correspondingly mounted in different azimuths of the intelligent driving vehicle; and the control method for automatically yielding the special vehicles comprises the steps of determining first position information of the special vehicle according to a sound receiving time at which any three sound sensing equipment in the at least three sound sensing equipment receive analarming sound signal of the special vehicle, determining a running path of the special vehicle according to the first position information of the special vehicle, judging whether the intelligent driving vehicle is on the running path or not, and if the intelligent driving vehicle is on the running path, controlling the intelligent driving vehicle to adopt an yielding measure to yield to the special vehicle. According to the control method for automatically yielding special vehicles and the vehicle-mounted system, disclosed by the embodiment of the invention, drivers can identify and automatically yield to the special vehicle in time, and meanwhile, requirements of laws and regulations are satisfied, and the traveling efficiency of the special vehicles are enhanced.

The invention relates to an underground traffic passenger guidance system based on a smart city, and is suitable for the field of city traffic. According to the underground traffic passenger guidancesystem, through a technical means, the passenger number and the crowding degree of subway compartments are grasped in real time, and passengers are guided to take a subway effectively and comfortably.The underground traffic passenger guidance system is mainly composed of a passenger flow information collection part, an information network transmission part, an information management platform partand a passenger guidance information display part. The passenger flow information collection part collects the passenger number and the crowding degree inside each section of subway compartment and sends the passenger number and the crowding degree to the information management platform through network transmission; the information network transmission part is responsible for information transmission between platforms and sends the compartment crowding degree information to the passenger guidance information display part of the next platform through a network; and the passenger guidance information display part accurately displays the crowding degree to the waiting passengers at a corresponding waiting area in real time, and guides the passengers to choose the waiting areas with the low compartment crowding degree to wait for getting on the subway. The underground traffic passenger guidance system belongs to an intelligent traffic system. Through the underground traffic passenger guidance system, real-time statistics of the number of people in all the subway compartments can be effectively achieved, the passengers are guided to take the subway efficiently, the subway traffic transportation efficiency is improved, and the passenger take experience is improved.

The invention provides a travel planning method and system based on a mobile terminal and the mobile terminal. The method specifically comprises the following steps: obtaining by the mobile terminal a departure place and a destination of the current travel and a travel date to generate ticket information in a corresponding preset format; automatically generating a travel matter list according to the ticket information, and adding a calendar task with a preset time in advance to carry out corresponding prompting; when it is detected that the calendar task is started, controlling to prompt a user to confirm the travel matter list item by item through a prompt menu, and prompting the user to pick up the ticket and wait for a bus or train / wait for a flight according to the ticket information; and if it is detected that the user has arrived at the destination, automatically activating the bus / subway system of the destination, and automatically displaying corresponding traffic information of the destination. According to the invention, related information involved in the travel is collected, integrated and intelligently interacted, and prompts are provided according to the collected ticket information in accordance with nodes, thereby facilitating the check of the user and improving the travel efficiency of the user.

The invention discloses a road-vehicle fusion urban road global perception method based on 5G. The method comprises vehicle side environment perception data processing, road side environment perception data processing and road-vehicle global perception data processing. Through the technical scheme of the invention, the obstacle information (position, speed and category), signal lamp information and traffic event information of a vehicle driving area or a predicted arrival area can be obtained, and more accurate and richer global perception information is provided while low delay is ensured.

The invention discloses a vehicle controlling method for guaranteeing public transport vehicle priority passing. The vehicle controlling method comprises the following steps: step 10) collecting traffic flow data of a crossing, road information and public transport vehicle running information; step 20) laying a road surface; step 30) determining an initial signal timing plan; step 40) measuring and calculating compressible green light signal duration of each signal phase; step 50) monitoring an operation state of a public transport vehicle in real time; step 60) judging whether the public transport vehicle priorly passes is needed, if so, entering step 70), and if not, entering step 80); step 70) responding a public transport vehicle priority passing request; step 80) judging and processing other public transport vehicle priority passing requests; and step 90) at the moment, returning to step 50), monitoring the operation state of the public transport vehicle; and at the moment, public transport vehicle priority passing control on the crossing is finished. With the adoption of the vehicle controlling method, the public transport vehicle can be enabled to priorly pass the crossing to a large extent, and the running efficiency of a public transport vehicle system and the going out efficiency of passengers are promoted.

The invention provides a rail vehicle emergency braking safety loop circuit and a rail vehicle. The rail vehicle emergency braking safety loop circuit comprises a power supply, a negative terminal, aprimary safety line and a backup safety line arranged between the power supply and the negative terminal, the primary safety line penetrates through the head car and the tail car of the rail vehicle,the backup safety line penetrates through the head car and the tail car of the rail vehicle, and the primary safety line and the backup safety line are switched and connected through the first mode switch, so as to realize the emergency braking operation to the rail vehicle through the primary safety line or the backup safety line. According to the technical proposal provided by the invention, theredundancy, stability and reliability of the emergency brake safety loop circuit are effectively increased, the probability of vehicle rescue due to minor fault is reduced, the smoothness and smoothness of vehicle operation is improved, the cost of rescue and vehicle maintenance are reduced and prevented, and is beneficial to the traveling passengers and improves the efficiency of subway operation and passenger travel.