132results about How to "Improve traffic capacity" patented technology

The invention relates to a communication mode arrangement related to a road signal crossing management and control and control method thereof. The invention further discloses a conflict-free communication mode arrangement for road plane crossing. On the road plane crossing, dividing the road into four crossings of an N direction crossing, an S direction crossing, a W direction crossing and an E direction crossing according to relative orientation of the plan crossing. For S direction crossing, the S direction crossing further comprises a first left-turn queuing lane and a second left-turn queuing lane. The beneficial effects of the invention lie in: based on present signal crossing communication organization, conflict of left-turn vehicle and straightly driving vehicle, that of left-turn non-power-driven vehicle and power-driven vehicle and that of right-turn vehicle and left-turn vehicle, non-power-driven vehicle and pedestrian are solved in a more prefect way.

The invention discloses a coordination control method for a crossroad left-turning pre-signal and a straight-going successive signal, which comprises the steps that: a main signal lamp is arranged at first in the middle of a crossroad, left-turning pre-signal lamps are respectively arranged at first stop lines of four left-turning entrance lanes for left turning vehicles, straight-going successive signal lamps are respectively arranged in front of second stop lines of four exit lanes for straight-going vehicles; a main signal phase, a phase difference between the left-turning pre-signals and the straight-going successive signals, and a phase difference between the straight-going successive signals and the main signal are then configured, time allocation is prepared, the sum of key flow ratios of the phases is calculated, and the time for green light is finally allocated; according to the method disclosed by the invention, the contradiction in the aspect of time between the left-turning vehicles and the straight-going vehicles is thoroughly settled by means of the coordination control for the main signal, the pre-signals and the successive signals, thereby guaranteeing drive safety; the entire cycle for the coordination control only needs to be calculated once, which is fast and convenient, and the method effectively avoids that the adoption of traditional time allocation method is likely to lead to the jam of left-turning vehicles.

The invention relates to a control method for an electronic charging system without a stop of a vehicle. The control method comprises the following steps: step 1: a driveway controller communicates with a vehicle-mounted electronic tag responder to complete a withdrawing transaction, and the driveway controller stores vehicle data and the transaction record to a vehicle information storage unit; step 2: when a vehicle travels through an earth induction coil of an entrance, the driveway controller adds the vehicle data and the transaction record in the vehicle information storage unit to a vehicle queue storage unit, and sets up the status of an external executive equipment according to the data of the vehicle queue storage unit; step 3: when the vehicle approaches an earth induction coil of an exit, the driveway controller reads the data of the vehicle queue storage unit and sets up the status of transportation lights and the content of an information displaying screen according to the data; step 4: when the vehicle leaves the earth induction coil of the exit, the driveway controller writes in the passing record of the vehicle to a hard disk for storage, and sets up the status of the external executive equipment according to the data of the vehicle queue storage unit. The method of the invention has the advantages of good universality, is beneficial to nationwide networking management and enhances the using efficiency of highways.

The invention discloses a multi-functional toll collection lane controlling and managing system of toll roads. An industrial personal computer, a car controlled machine, an IC (integrated circuit) card reader, a toll special keyboard and a display screen at an entrance lane direction are arranged in a toll booth; an entrance lane IC card automatic card sender and an entrance lane full-automatic toll data wireless emitter/receiver are arranged at the right side of the toll booth; the industrial personal computer, the car controlled machine, the IC card reader, the toll special keyboard and the display screen at an exit lane direction are arranged in the toll booth; and an exit lane full-automatic toll data wireless emitter/receiver is arranged at the left side of the toll booth. The system of the invention can organically combine three functions of manual toll lane, ETC (electronic toll collection) lane and automatic card sending and reading lane, so that various of vehicles can pass through the entrance and exit lanes of the toll station in a short time; and the system can disperse the vehicles on the square to a maximum extent without building new lanes. The system is safe and quick. In addition, the system can accelerate vehicle traffic capacity and reduce labor intensity of the toll staff.

The invention provides an automobile-road cooperation-based intelligent networked automobile formation control method and device. According to the method and device, the technical superiorities of automobile-road cooperation are utilized, multi-source traffic information is acquired and analyzed in real time, a formation control algorithm calculates an optimal automobile speed, and therefore, automobiles can run at the optimal automobile speed according to instructions under a formation state. With the automobile-road cooperation-based intelligent networked automobile formation control method and device adopted, the parking and queuing phenomena of automobiles at the intersections can be avoided, road operation efficiency can be improved, and road passage capacity can be improved.

A traffic signal guiding device relates to a traffic control system. It consists of some mounting posts spacially arranged in a line in a distance near the crossroad, and some passing signal lights installed the said posts orderly to transmit passing signals and speed changing signals periodically. This invention raises efficience of road in use, increases traffic capancity and vehicle speed at the crossroad, reduces energy consumption and exhaust pollution of vehicle.

The invention discloses a method for acquiring traffic capacity of a stop on a bus lane. The method is characterized by comprising the following steps of: 1) surveying the number of passengers who get on and get off a bus from the most crowded bus door at the first stop position of the stop of the bus lane, the time interval for bus arrival, the stop time of the bus and the green signal ratio of the nearest intersection of the stop; and 2) computing the time for passengers to get on and get off the bus according to the number of passengers who get on and get off the bus from the most crowded bus door, the per capita time for getting on and getting off the bus from the most crowded bus door and the time for opening and closing the bus door; computing an arrival interval fluctuating coefficient according to the time interval for bus arrival; and computing a stop time fluctuating coefficient according to the stop time of the bus. By the method, the defects of the existing methods for determining the traffic capacity of the stop in China are overcome in a relatively good way and practicability and accuracy of the method are relatively ideal, so the method has very high practical value.

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 multi-level radio network-based self-adaptive signal lamp system and a control method thereof. The system is characterized by consisting of a management terminal, a gateway electronic control unit (ECU), a signal driving test ECU, and a vehicle detecting ECU; in the invention, the gateway ECU, the signal driving test ECU, and the vehicle detecting ECU arranged at each intersection are respectively taken as a coordinator, a router and a terminal node of ZigBee network for performing network and layout; the excellent characteristics of radio sensing network, such as self-organization, multi-hop routing, etc. are kept; the integral robustness, reliability and maintainability are improved; and the construction and electrical wiring are simplified. The global system for mobile communications (GSM) interface of the gateway ECU makes the management terminal and a plurality of intersections realize a green wave band coordination control function in short message internet manner. Based on a hierarchical control system of a multi-level network structure, the system can be used for handling overall traffic flow intelligence dispersion on a large scale, and has the characteristics of capability of independent running at a single intersection and keeping system intelligence even a management terminal network system fails.

The invention relates to an integrated design approach for urban public transport system based on the mode of one road, one line and direct movement, as well as a configuration method for urban road and public transport system, in particular to an integrated design approach for urban public transport system based on the mode of one road, one line and direct movement. The integrated design approach is characterized in that: the roads are arranged into a grid shape, and a direct-movement bus line is arranged at one road; a plurality of bus stops are arranged at the crossroads, furthermore, the bus stop is close to the crosswalk at the crossroad. The integrated design approach aims at providing the integrated design approach for urban public transport system based on the mode of one road, one line and direct movement. The integrated design approach for urban public transport system based on the mode of one road has the advantages that: the transport efficiency for urban ground public transport system can be improved significantly; the bus travel time can be reduced; the interference between the buses and social vehicles also can be reduced; the interference between passengers and the traffic flow can be less, moreover, the safety of the transportation system can be improved.

The invention discloses a traffic flow capacity increasing control method for a comprehensive waiting area at a road intersection, comprising the following steps: S1, adding a comprehensive waiting area, setting a primary stopping line and a secondary stopping line at the end of the comprehensive waiting area, and setting the distance between the primary stopping line and the secondary stopping line as the length of the comprehensive waiting area; and S2, adding a variable information board, pre-signal lamps and an induction coil buried under the road surface to the medial strip of the road opposite the comprehensive waiting area, wherein the pre-signal lamps include a pre-signal red lamp and a pre-signal green lamp, and the pre-signal red lamp goes on 10-12 seconds earlier than an original go-straight or turn-left traffic signal green lamp at the intersection. By adopting the method of the invention, the traffic capacity of the intersection is improved greatly, and the space resources of the intersection are prevented from lying idle.

The invention discloses a variable-expansion intersection lane. An open mouth is arranged at a place 30 to 100 m away from an intersection on a center line or halving zone and used as a exclusive lane for left-turn vehicles, and meanwhile, all the lanes at outlets of a same direction except an outermost lane are changed as left-turn waiting zones; an original exclusive left-turn entrance lane is provided with a left-turn stop line, and the front part of the original exclusive left-turn entrance lane is changed into a direct entrance lane; an LED display board is arranged at each driving direction of the intersection to control left-turn vehicles to enter or not to enter into the left-turn waiting zones; induction coils are buried beneath the left-turn waiting zones for communication connection with traffic indication signal lamps. According to the invention, exit lanes unoccupied in a short period of time are ingeniously used as temporary left-turn lanes, so the number of lanes for driving-out of vehicles from the intersection is increased in the period when a green light is on, so utilization efficiency during the period when the green light is on can be improved without great reconstruction of civil works, traffic capacity of the signalized intersection is enhanced, and traffic jam at the signalized intersection is effectively improved.

The invention relates to an access control device and a fast face recognition authentication access method of adopting the same. An access control system is arranged in an access control system installation device. According to the access control system, a user identity card is read by adopting a certificate reading device and matched with human face image information read by a human face recognition vidicon for user use registration, so that user and certificate-unified self-service registration is achieved and the user and certificate-unified identity card registration step is quickly and accurately completed. A human face recognition camera is adopted by the human face recognition vidicon, so that accurate and fast access is achieved, the human face recognition camera is suitable for large-people flow and multi-frequency access and the people flow in unit time is improved; and recognition is carried out according to the change of ambient light during human face recognition for adjusting supplemental lighting or shading, so that the recognition rate is improved. The problem of absence of a visitor record due to the fact that a user illegally passes through access control is reduced and the use security is greatly improved.

The invention relates to a method for situation-display and dispersion of urban road traffic, which adopts electronic displays to display indications for running directions of lanes at road intersections in real time. The method comprises the following steps: (1) collecting and summarizing the traffic-jam situations of all road sections of a city through a traffic information center; (2) adjusting the number of lanes into different roads according to the road-jam situations of the road intersections in different driving directions; (3) displaying the running directions of the lanes through the electronic displays hung above the intersections; and (4) displaying the traffic-jam situations of trunk roads in every driving direction through the electronic displays hung above the intersections. The method has the advantages of automatically controlling the number of vehicles entering a certain road from a certain direction, compulsively regulating traffic flow of different roads, leading the vehicles jamming the road sections to run from road sections with no jams and helping to ease traffic pressure.

The invention discloses a separated left turn lane design and related intersection channelization, signal phase and timing setting method. The method comprises the following steps: step 1, a separated left turn lane selection is adopted in the intersection; step 2, the separated left turn lane is designed; step 3, channelization and signal timing design are carried out on an upstream intersection; and step 4, channelization and signal phase design are carried out on a target intersection. The separated left turn lane design method can improve the passing efficiency at the intersection; compared with the traditional lane design method, the upstream intersection can be used for eliminating conflict between left turn traffic at the target intersection and reverse straight traffic, no new signal lamps need to be added, and the method can be flexibly applied to one or more lanes.

The invention discloses a traffic signal phase position configuration system, which includes a road junction canalization image module, a lamp group module, a driveway-lamp group correlation chart, a lamp group setting module and a phase position configuration module, wherein the road junction canalization image module is provided with one or more types of road junction canalization images, and each road junction canalization image includes a driveway; the lamp group module is provided with a plurality types of lamp groups; the driveway-lamp group correlation chart includes a driveway identifying code, a lamp group type identifying code and a lamp group priority and correlation state; the lamp group setting module is used for receiving a lamp group selection command from a user and outputting a lamp group setting information of a road junction; and the phase position configuration module is used for receiving a traffic signal phase position configuration operating command from the user, so as to perform traffic signal phase position configuration of a road junction selected by the user and output lamp group states of main phases of sequence numbers at the road junction. The traffic signal phase position configuration system provided by the invention combines the traffic sign control and road junction canalization images, truly realizes the traffic signal phase position configuration through configuring driveway discharging state on the road junction canalization image, and is intuitional and convenient.

The invention discloses a method for realizing an electronic fee collection on a multilane free flow by a one-dimension phased array antenna, which comprises that step 1: vehicle detection and electronic fee collection transaction, step 2: vehicle position matching and validity verification, and step 3: background data treatment. In step 1, an uplink signal is received and scanned by a vehicle-road communication and electronic tag positioning sub-system with an one-dimension linear array radiation unit of an antenna, an angular offset of the vehicle electronic tag relative to the antenna is detected, the position of the vehicle electronic tag is calculated, a contour of the vehicle is detected by the vehicle detection and positioning sub-system, information on time and position of the vehicle passes a station is provided, and a picture snapping is triggered; and the picture snapping of the vehicle and a number plate identification are carried out by a picture snapping and number plate identification sub-system. In step 2, the positions of the vehicle electronic tag and the vehicle are matched by a lane logic coordination controlling system to find legal and illegal vehicles. In step 3, subsequent treatments are carried out on the result of positions matching in step 2, and the results of the electronic fee collection transaction without vehicles stop, the picture snapping of vehicles and the number plate identification by a background data treatment system.

A wireless mesh network is formed by nodes having a regular active schedule for transmitting and receiving messages, and a fast active schedule mode that is locally activated when a demand exists for transmission of a larger number of messages. As each node transmits a message to another node, the transmitting node includes a message buffer queue parameter that indicates the number of messages in the transmitting nodes, pending message queue. The receiving node determines, based upon the message buffer queue parameter received and its own capacity, whether to continue on the regular schedule, or to activate the fast active schedule. If the fast active schedule is activated, the receiving node sends a special acknowledge message back to the sending node, so that both nodes will transmit and receive messages over a fast active schedule link until the message buffer of the sending node has been reduced and the fast active schedule can be deactivated in favor of the regular active schedule.

The invention discloses a method for optimizing signal timing of a single intersection based on a genetic algorithm. The method comprises the following steps of: S1, inputting a traffic data flow collected by a camera; S2, building an initial population and initiating a first generation of individuals; S3, calculating the adaptation value of the population; S4, judging whether the adaptation value reaches the iterative maximum value of the population, executing a step S8 if yes, and otherwise executing steps S5-S7; S5, adopting a roulette selecting method and applying an optimal retention strategy; S6, adopting arithmetic crossover to generate two subgeneration individuals; S7, adopting uniform mutation, substituting gene values on each loci in chromosomes with mutation probabilities, and returning to execute the step S3; and S8, stopping operation and outputting the current optimum individual. The method has the advantages that an optimization model is solved by the genetic algorithm, so that the delay time of vehicles is shortened, and the robustness of the signal timing optimization model is improved.

This invention relates to traffic information deliver method based on digit video broadcasting or digit audio radio, which comprises the following steps: a, the traffic monitoring management center makes the information got from road sensor, road monitor or human method with different color representing different jam states form the whole traffic status; b, deliver the traffic information of the whole city through the digit video broadcasting or audio digit broadcasting system; c, each car loaded user fixes the multi-media terminal.

A land-air integrated vehicle networking system and a method for realizing navigation thereof belong to the technical field of the vehicle networking. The problem of traffic congestion can be alleviated, the route of cars can be quickly planned, and the transportation efficiency and the capacity of the existing road network can be improved. The application of the aerial photography of the small unmanned aerial vehicle of the present invention obtains vehicle location information within a certain range through aerial photography and positioning, and sends the information to the vehicle-mounted terminal and data center in real time through the wireless transmission system. The on-board processor judges the running status of the vehicle according to the calculated acceleration value, and the data center obtains the vehicle location information, judges the road congestion within a certain time range, and sends the appropriate driving route to the on-board terminal. The invention is suitable for use as car navigation.

The invention relates to a signal control system and signal control method based on traffic simulation. The signal control system comprises a data acquisition module, a simulation and forecast merging module, an intelligent traffic signal lamp control module and a traffic guidance module. The data acquired by a last intersection acquisition module are sent to the simulation and forecast merging module, the traffic flow data of a current intersection and the data acquired at the last intersection are sent to the intelligent traffic signal lamp control module to carry out self-adaptation traffic control, accordingly, a detector set at the current intersection is replaced, half detectors in a road section can be replaced and removed, the purchasing and maintaining cost are greatly saved, the intersections of upstream and downstream are corelated, the signal timing dial is uniformly coordinated and adjusted, the intercommunication of a road network is enhanced, a scheme capable of improving the traffic capacity of the road section can be designed, and the problem of traffic jam in cities at present can be relieved.

The invention relates to an interference-free urban road transportation network facility and a running method thereof, in particular to an interference-free urban road transportation network facility which formed by connecting an interference-free urban transportation trunk road network facility and a plurality of interference-free region road transportation network facilities and a running method thereof. The conventional urban road network facility has a grid shape of crossing the trunk with branch roads, and has dense crossed intersections and extremely low running capacity so as to cause severe traffic jam. The invention changes the conventional urban road network facility structure, employs the technology of turning around, one-way running, running on the left, designing annular lanes and interference-free interaction of the trunk network and an area network, provides the urban road transportation network facility with the advantages of novel structure, no running conflict node, interference-free and uninterrupted running of the vehicles and no traffic light, and the running method thereof, and has the advantages of high vehicle running efficiency, low manufacturing cost, and capacity of modification on the basis of the conventional urban road network facility.

The invention discloses a road ETC (Electronic Toll Collection) and MTC mixed lane system and a control method thereof. The system comprises an MTC lane controller, a rear end fee display, a barrier, and a vehicle detector, and is characterized by comprising an ETC lane controller, a lane antenna, and a front end feed display; the MTC lane controller is connected with the ETC lane controller; the ETC lane controller is further connected with the lane antenna, the front end fee display, the rear end fee display, the barrier and the vehicle detector. The lane system in the scheme can select the ETC lane controller or MTC lane controller to provide corresponding toll processing service for the vehicle according to the position and trading state of the vehicle based on the condition that the MTC lane controller is connected with the ETC lane controller. The same lane can support two trading modes of the ETC and MTC, and the lane utilization rate and the traffic capacity are greatly improved.

The invention discloses a vehicle game lane changing cooperation method in an Internet of Vehicles environment. The method comprises the following steps: 1, determining action spaces of a lane changing vehicle and a rear vehicle; 2, identifying a lane changing type, if the lane changing type of the lane changing vehicle is free lane changing, executing the step 3, and if the lane changing type ofthe lane changing vehicle is forced lane changing, executing the step 4; 3, selecting the revenue functions of the lane changing vehicle and the rear vehicle in the free lane changing, and then executing the step 5; 4, selecting the revenue functions of the lane changing vehicle and the rear vehicle in forced lane changing, and then executing the step 5 ; 5, calculating the revenue functions, andconstructing a revenue matrix; 6, for the constructed revenue matrix, solving all Nash equilibrium decision combinations; and 7, outputting a cooperation scheme. According to the invention, lane changing cooperation among drivers is guided, the lane changing efficiency of vehicles is improved on the premise of ensuring traffic safety, the traffic capacity of road sections is further improved, anda theoretical basis and a feasible scheme are provided for constructing a lane changing driving auxiliary system.

The invention relates to a regional controlled intelligent traffic light control system, comprising a regional controlled traffic control center and a plurality of crossing control systems communicated with the regional controlled traffic control center; wherein the crossing control system comprises a microprocessor used for controlling on/off action of a traffic light, the microprocessor is provided with a manual input device, a forced switch device, an intelligent detection device and a telecommunication module, and the microprocessor receives a traffic light parameter modifying instruction from the intelligent controller and an instruction from the regional controlled traffic control centre to modify the traffic light control parameters according to a preset control mode or control function. The control system can automatically adjust the traffic light control parameters according to traffic flow variation in different directions and traffic condition of the whole region, thus improving pass efficiency of the crossing and realizing regional traffic optimization.

The invention discloses a multifunctional wireless charging belt system which can support wireless multimode automatic charging, automatic positioning, automatic navigation and automatic driving for an electric vehicle during driving and combine intelligent traffic control and communication entertainment as a whole. The system comprises micro blocks and a positioning and navigation technology, wherein the micro blocks divide a road surface into blocks of fixed shapes and are arranged according to sequence numbers; and according to the positioning and navigation technology, the position of the vehicle is determined according to the position of a micro block where a vehicle tire is, and the driving speed and the direction of the vehicle are determined according to the distance between micro blocks and the numbers of the micro blocks passed by the vehicle in a unit time. A technology and a method of sending and receiving information while charging is carried out through electromagnetic resonance or an electromagnetic coupling charging system are also provided. Through the system, the vehicle can be automatically charged; the vehicle can automatically acquire real-time road traffic information, road traffic light information and front-rear vehicle information; the vehicle can automatically select the best way, regulate the best speed and arrive at a destination safely along a road guiding line indication lamp on the road.

The invention discloses a method for arranging a non-motor vehicle stop-in-advance line at a two-phase signal-controlled intersection. According to the method for arranging the non-motor vehicle stop-in-advance line at the two-phase signal-controlled intersection, the feasibility of the arrangement of the stop-in-advance line is judged primarily by inputting the actual geometrical characteristic of the intersection, the flow of motor vehicles and the flow of non-motor according to the characteristics such as the time for the motor vehicles to catch up the non-motor vehicles; a decision rule is set according to the target that the traffic capacity at the intersection is maximized, the fact whether it is suitable to arrange the stop-in-advance line at the intersection is judged through calculation, and the distance between the stop-in-advance line and the intersection and the feasibility that the signals are trigged in advance are calculated; a stop line at the position of an entrance lane of the intersection is re-designed according to the characteristic information of the two-phase intersection, and thus optimization of the motor vehicle and not-motor vehicle comprehensive traffic capacity is achieved.

A road system with man-bicycle -motor vehicle separation is prepared as setting slow-traffic lane to be two layers structure being completely separated to motor vehicle road, making two layers slow-traffic lane be all weather road and using one layer as walkway and another layer as bicycle lane.

The invention belongs to the technical field of motion control, and discloses a multi-motion-mode movable parallel mechanism. The mechanism comprises an upper platform and a lower platform which are of a parallelogram structure, the upper platform and the lower platform are arranged in parallel, a plurality of chains are arranged between the upper platform and the lower platform, and the chains are arranged in parallel. Each chain comprises three rotating pairs and a moving pair, the tail ends and the front ends of the rotating pairs and the moving pairs are connected with the upper platform and the lower platform through steering engines, and the axial center lines of rotating shafts of all the rotating pairs are parallel to each other and are parallel to the same side of the upper platform or the lower platform. The invention further discloses a control method of the multi-motion-mode movable parallel mechanism. The steering engines are used for controlling the rotation of the corresponding first and second rotating pairs to drive the corresponding third rotating pairs to rotate, so that the corresponding chains are controlled to be continuously bent and straightened, alternate landing of the upper platform and the lower platform is realized, and then a rolling mode of the movable parallel mechanism is achieved.