102results about How to "Improve traffic congestion" patented technology

The invention relates to an automobile renting method and provides an automobile renting system and method convenient for returning an automobile. An information center is communicated with an onboard terminal and a mobile phone in real time, the information center loads parking data of the automobile to be rented to a GPS navigation map of the mobile phone of a user to guide the user to find a standby automobile nearby, the user to use the automobile only needs to close a non-contact radio-frequency card integrated with the mobile phone to an automobile door, and the automobile door is unlocked automatically. The legal user gets on the automobile and inputs a user ignition code into a GPS display of the onboard terminal, and then the automobile can be ignited and started after the code is certified as authentic, thus achieving convenient automobile taking at a parking space. In the driving process, the user can inquire a destination and available conditions of the parking spaces nearby along the line on an onboard GPS navigation instrument so as to park in the parking space in time. After parking and switching off a motor, the user can conveniently select returning and keeping of the automobile, and after the user leaves the rented automobile for certain distance, the automobile door is locked automatically.

The invention discloses an intelligent going-out and best carport navigation system and a navigation method of the navigation system. The intelligent going-out and best carport navigation system comprises an optimal path recommendation unit, a traveling car real-time positioning device, a parking guidance master controller, a wireless carport probe, a wireless network communication unit, a central processing unit (CPU) and a liquid crystal touch screen. The best running route is timely recommended on a liquid crystal display by the optimal path recommendation unit according to real-time road conditions, and the optimal path recommendation unit helps an owner to keep away from a blocking road section, so that the owner can arrive at the destination at the top speed. The parking guidance master controller can provide convenient parking lot carport information on the liquid crystal display, so that the owner can find an appropriate parking lot and the best carport with a nearest road in a short time, troubles of the owner for finding the carport are removed accordingly, parking time is saved, and parking speed is quickened. The intelligent going-out and best carport navigation system and the navigation method achieve car dynamic route guiding and carport best guiding functions, provide accurate and comprehensive traffic guidance information on the liquid crystal display, and improve traveling and parking efficiency and quality.

The invention discloses an urban road network path planning method for the non-global information and improves efficiency of the urban transportation network through balancing the traffic network flow. A path planning method in the prior art can only calculate the best path for a single vehicle or requires more information and assumptions. In response to the above problems, through periodically monitoring state changes of road segments, intelligently learning and evaluating current road segment congestion indexes and constructing a PST model, the A*R algorithm is utilized for path selection, so the road network state is made to be in a flow balancing state. The method is advantaged in that a large number of experiments show that the method can more effectively balance the traffic network flow and alleviate traffic congestion in the scene with relatively a large number of vehicles and has a good performance in reducing the average driving time and the average driving distance, in addition, the method can significantly improve traffic congestion even when relatively lots of vehicles in the road network do not accept path planning navigation.

A driving route planning system includes a data processing center for collecting real-time traffic information and storing the collected real-time traffic information in a database. The data processing center includes a transmission interface for emitting the stored real-time traffic information receiving requests. The system further includes an electronic device including an electronic route guiding program for planning driving routes, a communication interface for connecting to the data processing center to receive the traffic information transmitted from the data processing center and emit real-time traffic information updating request to the data processing center, and a storage unit for receiving the real-time traffic information received by the communication interface. The electronic route guiding program, when planning a driving route, compares an overlap situation between the real-time traffic information stored in the storage unit and the planned driving route, and takes the overlap situation as a basis to re-plan the driving route.

The invention discloses a real-time Android mobile terminal carpooling system and method based on SIP conversation and LBS positioning. According to the technical scheme, a user can inquire a carpooling group, a carpooling person and a driver related to the user online through an Android mobile terminal, an adjacent carpooling person, a related carpooling group and route information can be displayed on the Android mobile terminal through the LBS positioning technology, and the user can take part in or built a carpooling group. Meanwhile, multipart conversations can be initiated by means of the SIP communication technology, and the user can dynamically and midway take part in a carpooling group which is on the way. By means of the system and method, the problem of taxi shortage in a city can be effectively improved, road use resources are optimized again, city traffic congestion is improved, and traveling of passengers is convenient.

The present application discloses a road traffic control system comprising a video traffic information analysis module configured to obtain traffic condition parameters of a road network from video traffic information, a traffic condition prediction module configured to predict traffic condition in a future time according to the traffic condition parameters and obtain a traffic situation prediction result, an actual traffic condition evaluation module for evaluating actual traffic conditions based on the traffic condition parameters according to a traffic condition evaluation model and obtainan actual traffic condition evaluation result, a traffic control decision module for determining a control scheme for controllable traffic elements via adoption of an optimization algorithm accordingto the traffic condition prediction result and the actual traffic condition evaluation result. Traffic conflicts between motor vehicles and the pedestrians as well as non-motor vehicles at intersections in the road network can be reduced, and therefore traffic congestion at the intersections in the road network can be effectively improved.

The invention discloses a ramp cooperative merging controlling method of an intelligent networking vehicle, and relates to the technical field of intelligent networking traffic. The number of vehiclesthat merge to the freeway from the ramp is determined and the merging sequence of the vehicles that merge from the ramp is optimized according to the freeway and the ramp vehicle state information acquired at the freeway entrance ramp in real time, so that the influence on the vehicles driven on the freeway is reduced, and the traffic capacity of the road section is improved. The invention further discloses a ramp cooperative merging controlling system of an intelligent networking vehicle. According to the ramp cooperative merging controlling system of an intelligent networking vehicle, the actual application of the intelligent networking technology in ramp cooperative merging is realized, and the traffic efficiency of the freeway system is improved.

The invention discloses a taxi sharing system and a method based on LBS (Location Based Service) and SNS (Social Network Service). The system comprises a service processing terminal, a client which is interconnected with the service processing terminal, wherein the service processing terminal comprises an LBS information optimization processing module, an SNS interconnection interaction and rights protection platform, an information receiving module and an information sending module, the information receiving module is respectively connected with the input terminal of the LBS information optimization processing module and the input terminal of the SNS interconnection interaction and rights protection platform, the information sending module is respectively connected with the output terminal of the LBS information optimization processing module and the output terminal of the SNS interconnection interaction and rights protection platform, and the client is respectively connected with the information receiving module and the information sending module. According to the taxi sharing system, taxi resource waste in the city is effectively solved, taxi idle seats are used to greatest extent and the purpose of energy saving and environmental protection is realized.

The invention discloses a vehicle dynamic path navigational system. The system consists of a traffic information acquisition subsystem, a communication subsystem, a traffic information comprehensive processing platform and a traffic information publishing subsystem, wherein the traffic information comprehensive processing platform processes and analyzes the traffic information data to obtain inducing information, the traffic information publishing subsystem publishes the inducing information to a site road, the communication subsystem is based on general packet radio service (GPRS) or code division multiple access (CDMA), the traffic information comprehensive processing platform is provided with a data analysis and forecast system and a dynamic path optimization and dynamic traffic flow balanced system. In the invention, the improved Dijkstra algorithm is utilized in the vehicle dynamic path navigational system, the road weight based on the travel time is considered, and the traveling path is optimized, the real-time traffic information and the inducing information are quickened to be published, thereby the traffic operating efficiency of a road network is effectively enhanced, the circumstance that the number of the vehicles exceeds the actual traffic capacity of the road is avoided, and the problem of traffic jam is improved.

The invention provides a single-point intersection signal timing parameter optimization method based on bayonet data. Existing urban intersection signal control is mostly based on profile data of an annular coil detector arranged behind a parking line, and if the detector is badly damaged, travel time, delay and other traffic flow evaluation parameters used for traffic control can not be obtained. According to the basic idea of the method, a bayonet electronic police system is used for obtaining vehicle license plate recognition data, travel time and delay of all phase traffic flow from an upstream intersection to a current intersection are obtained by matching upstream vehicle license plates and downstream vehicle license plates, a signal cycle is obtained through phase saturation degree optimization, and effective green light time of each phase is obtained through optimization according to delay change conditions of different phases. The method for intersection signal timing by means of existing electronic police data is provided, and accordingly investment for arranging intersection detectors can be reduced, and intersection traffic control efficiency is effectively improved.

The invention belongs the virtual simulation technical field, in particular to a macroscopic, mid-scope and microscopic multilevel urban parking demand prediction model integrated system, which comprises a system data module, an urban overall parking demand macroscopic prediction module, a comprehensive development sharing parking demand mid-scope prediction module and a parking garage entrance service level microscopic analysis module, wherein the system data module is used for importing and storing parking demand prediction data; the urban overall parking demand macroscopic prediction module is used for predicting the overall parking demand; the comprehensive development sharing parking demand mid-scope prediction module is used for predicting the largest parking demand of each block and is connected with the urban overall parking demand macroscopic prediction module; the parking garage entrance service level microscopic analysis module is used for predicting a parking garage entrance service situation; and the three prediction modules are respectively connected with the system data module. The macroscopic prediction module not only considers the parking demand of traveling vehicles, but also considers the parking demand of the vehicles which are not on trip, the mid-scope prediction module considers the shared parking demand of multi-nature buildings under the reachability situation of buses, bi-directional correction of the prediction results of the macroscopic, mid-scope and the microscopic modules can be realized, the system quantitatively predict the parking demand of different cities of different levels so as to provide important support for different parking researches.

The invention discloses a traffic bottleneck identification method in a complicated traffic environment, mainly solving the problem of serous traffic congestion because the prior art cannot satisfy the current requirement for traffic. The implementation steps of the traffic bottleneck identification method are 1) using an undirected graph with weight to represent a complex network which abstracts a practical traffic network; 2) utilizing a tolerance flow allocation algorithm to perform balanced flow allocation for a user on the abstract network topological graph; 3) distributing a weight for each road segment in the network, wherein the weight is a zero flow impedance on each road segment; 4) according to the network after the weights are distributed, searching for a minimal spanning tree for the zero flow impedance; and 5) performing priority ranking for the degree of importance of the bottlenecks in the minimal spanning tree obtained from the step 5). The traffic bottleneck identification method in an urban traffic network can provide quantitative description for the degree of importance of the bottlenecks for a traffic management department to enable the traffic management department to accurately grasp the distribution characteristics of the traffic bottlenecks, reasonably plan the traffic network topology and match the traffic demand for each road segment of a road network with the traffic capacity, and can be applied to an integrated traffic dispersion system.

The invention discloses an intelligent projection zebra crossing control method and an intelligent projection zebra crossing device, wherein a stop line and the projection of a zebra crossing are controlled according to the lighting states of a pedestrian traffic light and a road traffic light, and the position of the stop line projected by a stop line projector is controlled to be far and near from the center of an intersection according to the number of waiting pedestrians in a pedestrian waiting area on the left side of the advancing direction of a road; the projection of the zebra crossing is divided into a first zebra crossing and a second zebra crossing, the first zebra crossing and the second zebra crossing are respectively indicated by forward arrows with opposite projection directions according to a rule of moving forward to the right, and the width of the first zebra crossing and the width of the second zebra crossing projected by a zebra crossing projector are controlled according to the number of people waiting in pedestrian waiting areas on the left side and the right side of the road in the forward direction. According to the invention, the zebra crossing projection mode and the transverse width are adjusted to shorten the time for the pedestrian flow to go across the road, so that a certain improvement and guidance effect is achieved on the traffic condition.

The invention discloses a public transport passenger flow monitoring and analyzing system and a method thereof, and belongs to the field of public transport. The system comprises a vehicle-mounted intelligent data module, a transfer station server, a passenger flow information data server, a comprehensive scheduling server and a public transport server, and the vehicle-mounted intelligent data module comprises a camera device, an intelligent POS machine, a vehicle-mounted intelligent AI terminal and a sound device. According to the method disclosed by the invention, the camera device and the intelligent POS machine collect the passenger data and transmit the passenger data to the vehicle-mounted intelligent AI terminal for analysis, the comprehensive scheduling server extracts and calls the data of the passenger flow information data server for analysis, and then the public server analyzes the data to obtain the public passenger flow information and sends the public passenger flow information to a background and the passengers. According to the public transport passenger flow monitoring and analyzing system and method, the transport capacity allocation of a public transport system,the decision adjustment of the government agencies and the passenger flow information mastering by passenger users are facilitated, the traveling is more intelligent, and the traffic jam condition isimproved.

The invention belongs to the technical field of information, and relates to a method of evaluating a public transport network by using public transport archives. The method comprises specific steps: public transport network data are collected, public transport network nodes and strengths of the nodes are drawn, a node strength value statistical distribution table is drawn, a core site and a node with a weak node strength in the public transport network are found out, the number of sites directly connected with any site is calculated, clustering coefficients are calculated, a clustering coefficient distribution table for the public transport network is drawn, a point with a weak clustering coefficient is found out, a node betweenness at each site is calculated, bottleneck sites in the public transport network of the city are found out, the current situation of the urban rail transit is analyzed to screen sites with strong competition for public transport sites, and the transport situation is finally adjusted correspondingly according to an evaluation result. In comparison with the prior art, the archive data can be acquired conveniently, the analysis method is scientific and reliable, the public transport efficiency and the utilization rate can be improved thoroughly, the application environment is friendly, and the market prospect is wide.

Disclosed is a steel box type composite beam forming method. A split type processing method is utilized in a bottom box and a plug welding technology and an anti-deformation technology are utilized to effectively solve the problems of positioning of force transmission ribs, deformation of the bottom box and the like, and the prefabrication efficiency of steel-concrete composite bridges is improved by reasonably adjusting production processes. The adopted technical scheme of the steel box type composite beam forming method comprises utilizing steel plates as raw materials, leading the raw materials to be subjected to top plate forming, bottom box forming and wave plate forming, and performing assembling and welding to form a prefabricated steel box type composite beam. According to the steel box type composite beam forming method, assembly line production is utilized and large-scale processing and assembling of bottom boxes can be achieved in factories.

The invention discloses a vehicle dynamic path navigation method for obtaining road condition video information in real time. The method comprises a navigation device firstly calculating at least one navigation path from the starting point to the destination according to the topological relation of the road nodes in navigation data; then, matching traffic camera information to the navigation path, calculating the path distance from each traffic camera point to vehicle current point, and meanwhile, carrying out ranking based on the path distance from each traffic camera point to the vehicle current point; and at last, obtaining and displaying real-time dynamic traffic video pictures. The invention also discloses a vehicle dynamic path navigation device for obtaining the road condition video information in real time. The device comprises a path programming module, a traffic camera data matching module, a dynamic traffic video displaying module and a comprehensive control module. Therefore, the traffic circulation efficiency of a road network can be effectively improved, and the problem of traffic jam is greatly improved.

The invention relates to a variable lane real-time control system and method. The system comprises an equipment monitoring subsystem, a lane state studying and judging subsystem, a scheme studying andjudging subsystem and a scheme decision-making subsystem. The variable lane real-time control system and method not only solve a timing switching control mode of a traditional variable lane signal lamp / lane guide plate in the market, but also realize the self-adaptive change according to the real-time traffic flow condition of the intersection, the real-time road right distribution is more reasonable, the utilization rate of road resources is obviously improved, the traffic capacity of the intersection is obviously improved, the urban traffic jam condition can be better improved compared withan old-fashioned timing switching mode, and a wider application range is realized.

The invention discloses a parking lot management system for a mobile terminal navigation vehicle route and a method of the parking lot management system. The method includes the following steps that a radio frequency transmitter is arranged in an induction card got by a driver, and radio frequency devices are arranged on all crossings in a parking lot, wherein the radio frequency devices can receive radio frequency signals transmitted by the radio frequency transmitter in the induction card; a stall occupation detector detects whether a vehicle is parked on a stall or not and transmits the information showing whether the stall is occupied or not to a parking lot controller in real time; the parking lot controller collects vehicle information of all the crossings according to the stall occupation information sent by the stall occupation detector and the information, sent by the radio frequency devices, of vehicles on roads of the parking lot and generates an optimal route for arriving at the route destination; the parking lot controller sends the optimal route to the corresponding mobile terminal number, and the optimal path for arriving at the nearest stall is displayed on the mobile terminal. By means of the system and the method, congestion caused when vehicles are staggered in the parking lot is avoided, time is saved, and the utilization efficiency of the parking lot is improved.

The invention discloses a vehicle periodic lease system and method facilitating vehicle taking and returning. The lease system comprises a vehicle-mounting terminal and a corresponding GPS / GPRS positioning communication module and operation background; the operation background is provided with a data collection device, a database and an application program server. The lease method comprises the steps that information such as a name of a user is filed and registered on the operation background, the operation background collects positioning information of leased vehicles through the corresponding GPS / GPRS positioning communication module, after the user leases a vehicle, the operation background activates cellphone remote control authorization, the leased vehicle is unlocked, and the vehicleis used; after the leased vehicle stops at the specified parking place, it is determined that the vehicle is returned through a vehicle returning key, and an automatic billing system is entered. Thevehicle periodic lease system facilitating vehicle taking and returning is simple and reasonable in structure and convenient to implement, and the corresponding lease method facilitates vehicle taking, using and returning.

The invention discloses a large-scale road network group traffic induction task decomposing method, and belongs to the field of smart traffic, in particular to a large-scale road network group trafficinduction task decomposing method capable of changing signal timing dial. In a conventional path induction, a single function is difficult to describe a mutual relation among a plurality of variables. A plurality of target functions are established for optimal processing. The problem is solved by adopting an immune genetic algorithm, and the immune genetic algorithm is combined with an optimal heuristic search algorithm which adopts an immune theory and a genetic algorithm, and the advantages of the two kinds of algorithms are kept. The problem that the genetic algorithm is lost in local optimal solution is solved, the immune genetic algorithm has search feature, the optimal self-adaptive feature is solved by using a target function, and over-quick local convergence is avoided. A large-scale road network is decomposed into a plurality of induction cells, an induction strategy based on a tree structure chart is adopted, and an induction task is decomposed layer by layer for building aroad network to serve as a specific example for verifying the effectiveness and superiority of the method.

The invention provides a planning and network distribution method of exclusive lanes for urban public transportation and belongs to the field of the urban public transportation, aiming at solving the problems that an existing public transportation exclusive lane is low in service level and a public transportation trip proportion is influenced. The planning and network distribution method comprises the following steps: determining an urban public transportation passenger flow and an public transportation operation speed, establishing a requirement set of the exclusive lanes for the urban public transportation, establishing a public transportation exclusive lane supply set, reallocating urban transportation OD quantity predicted according to urban transportation requirements based on the change of a road impedance function of urban roads after setting an initial public transportation exclusive lane; calculating to obtain the quantity of passengers transported by each road section in a road network in unit time and average trip time of passengers in the road section after reallocating the OD transportation quantity; establishing a connection road section set of a public transportation exclusive lane network, planning road sections in a set R into public transportation exclusive lanes, and communicating the public transportation exclusive lanes to form a network. The method provided by the invention considers the factor that starting and terminal points of the public transportation exclusive lanes can become bottleneck road sections, so that the capability of transporting the passengers by buses is improved, the attraction of the public transportation is increased and the urban traffic jam is relieved.

Embodiments of the invention provide a traffic light control system and method, the system comprises a vehicle sensor, a communication unit, a logic processor, and traffic lights. The vehicle sensor is used for obtaining traffic condition information, and sending the traffic condition information to the communication unit, and the communication unit is used for sending the received traffic condition information to a cloud server, receiving a cloud instruction from the cloud server, and sending the cloud instruction to the logic processor. The logic processor is used for processing the cloud instruction to obtain a traffic light control instruction, and sending the traffic light control instruction to the traffic lights. According to the embodiment of the invention, the system can obtain the traffic conditions of a road in real time through the vehicle sensor. The system achieves the processing of the traffic road condition information through the logic processor and the cloud instruction, and achieves the control of the traffic lights. The system can achieve the planned control of the traffic lights according the real-time traffic conditions and through combining with the cloud instruction, thereby enabling the control of the traffic light to be more flexible, and reducing the traffic congestion.

The invention discloses an intelligent parking method based on an internet of vehicles, and belongs to the application field of the internet of vehicles. The method comprises the following steps: destination information is sent to an internet-of-vehicle service platform through a mobile terminal; the internet-of-vehicle service platform sends parking space information of a parking lot recommended according to the destination information to the mobile terminal; the mobile terminal selects a parking space according to the parking space information of the recommended parking lot; the mobile terminal enables a vehicle to be navigated to the recommended parking lot; a parking lot management system allows the vehicle to enter the parking lot; the mobile terminal enables the vehicle to be navigated to the parking space; and the vehicle drives away from the parking lot. Through coordinative operation among the intelligent terminal, the internet-of-vehicle service platform and the parking lot management system, parking space finding efficiency of each user going out is improved more intelligently, going-out cost of the user is saved, and traffic jam problem in a city is improved; and meanwhile, the method is low in implementing cot, is wide in popularization range and can save manpower resources effectively.

The invention belongs to the technical field of intelligent driving, and discloses a driving assistant device and a driving assistant method. The device comprises a conventional information processingmodule (M1), an instant message acquisition module (M2), an event information processing module (M3) and an information projection unit (1); the conventional information processing module (M1) is suitable for presetting conventional display information and updating time, and projecting the conventional display information on a road through the information projection unit (1) when the updating time is satisfied; the instant message acquisition module (M2) is suitable for collecting real-time traffic information; and the event information processing module (M3) is suitable for performing priority comprehensive ordering for the conventional display information and the real-time traffic information, projecting the information with high priority on the road through the information projection unit (1), and adding the information with high priority to the previously projected conventional display information or substituting the previously projected conventional display information. With thedevice and the method provided by the invention, social total cost of the driving assistant device can be reduced, driving assistant information utilization rate is improved, and driving safety and driving efficiency are improved.

The invention discloses an unmanned shuttle bus and an intelligent networking service system of the unmanned shuttle bus, and the unmanned shuttle bus comprises a bus body, an automatic pilot system,a new energy power supply system, an intelligent vehicle terminal and a wireless communication end, wherein the unmanned shuttle bus further comprises a video call system and a passenger identity identification module; the intelligent networking service system of the unmanned shuttle bus comprises a client mobile terminal application APP, an intelligent vehicle terminal of the unmanned shuttle bus, fixed shuttle station and terminal of the unmanned shuttle bus, a could server and an attendant center, wherein the intelligent networking service system further comprises a wireless communication network of the service system. The implementation of the technical solution can give play to the capacity of urban road space to the utmost extent, significantly improve traffic congestion in cities, create richer passenger travel service scenes, and provide various efficient, convenient, personalized and scenarized brand new riding experience for the passengers.

The invention belongs to the urban elevated road traffic diversion dredging field and especially relates to an elevated-road-section traffic-jam critical value calculating method based on a basic traffic diagram. The method comprises the following steps of 1) taking an elevated bridge road which connects adjacent exit and entrance ramps as one elevated road section; acquiring traffic flow data and each vehicle running speed data on each elevated road section; 2) calculating a traffic flow and an average speed of vehicles on each road section in each acquisition period; 3) taking a sample set; 4) drawing a scatter diagram of the basic traffic diagram; 5) calculating and acquiring a road average critical vehicle speed Vm at a maximum traffic flow and an unblocked vehicle speed Vf of the elevated road section. The method fits a current elevated-road actual dynamic change road condition of a current city. High accuracy of calculating data is ensured. An accurate basis can be provided for a traffic manager to carry out on-line traffic diversion so that unblocked performance of the traffic on the elevated road is finally guaranteed.

The present invention relates to a public transport platform, especially to an intelligent public transport platform. The platform comprises a support and a station board. The station board comprises a plurality of public transport line boards. The station board is fixed on the support, a top plate is arranged at the top portion of the support, a solar panel mechanism and a light sensor are arranged at the top plate, the solar panel mechanism comprises a solar panel, a frame and a bracing piece, a rotary table is connected with the lower end of the bracing piece, the rotary table is connected with a motor arranged on the top plate, the solar panel is arranged in the frame, the upper end of the bracing piece is hinged with the frame, a cylinder is arranged on the bracing piece in an inclination mode, and the driving bar of the cylinder is hinged with the frame. According to the technical scheme, the intelligent public transport platform can perform statistics and display of number of people waiting for buses of public transport lines and can remind a bus driver whose bus is arriving whether there are people waiting for this public transport line or not through different colors displayed on an indicator light.

The invention discloses crossroad lanes and a passing method. The passing method comprise setting of traffic signal lights and traffic markings, wherein the set lanes sequentially comprises a right-turn special lane, a left-turn special lane, a left-turn lane, a straight special lane, a straight lane and a right-turn lane from left to right; the right-turn special lane, the left-turn special laneand the straight special lane are reverse-driving lanes; pre-left-turn signal lights are arranged on positions where the straight special lane and the left-turn special lane are away from a front crossroad by a certain distance; a rear lane, corresponding to the pre-left-turn signal light, of the left-turn lane is a reverse-driving straight lane; a rear lane, corresponding to the pre-left-turn signal light, of the straight special lane is a forward-driving left-turn lane. When a car stops at a red lightlamp, no gaps of vehicles on each reverse-driving lane occur, and the car drives through thecrossroad lanes in a manner of matching corresponding traffic light control, so that a red light period is shortened, the vehicle passing quantity in the period is increased, the problem of a conflict of a left turning car and a straight driving car can be solved preferably, the traffic passing capacity of the crossroad is improved, and the traffic jam phenomenon of conventional crossroads is relieved.

The invention relates to a vehicle formation control system and method in an Internet of Vehicles environment, and belongs to the field of Internet of Vehicles. The method comprises an information system and a control system. The control system is in wired connection with the information system and the vehicle physical system, receives information of the information system and executes a control instruction, and comprises a speed controller and an angle controller. On the basis of establishing a pilot following model and a system error model, a Lyapunov stability theory is proposed to design a pilot following speed controller with a time-varying following distance, so that formation vehicles can keep stable following at different distances at different speeds. The method and system have the advantages that the structures of the vehicle information system and the control system are comprehensively considered, the pilot following control model is optimized, the formation driving control problems of formation forming, linear driving, curve driving, vehicle entering and leaving and the like can be solved, and the universality is high. The safety and stability of the formation can be ensured, and the flexibility of the formation and the traffic capacity of roads are improved.