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192 results about "Traffic station" patented technology
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Traffic signals control system
ActiveUS20090322561A1Maximizes rewardControlling traffic signalsAnalogue computers for vehiclesTraffic signalControl system
A method of controlling traffic signals at a road intersection, which has a plurality of signal groups, each of which controls at least one direction of traffic within the intersection. The method comprises the steps of obtaining and utilising traffic data to calculate a current traffic state and the rate of change in the traffic state. The method further comprises formulating at least one action and the duration of the action in response to these calculations. Each action comprises switching at least one traffic signal. One or more policies based on the calculations and the action are resolved. A continuous decision making process is applied to evaluate a reward for the policies resolved and a policy that maximizes the reward is selected.
Owner:ROADS AND MARITIME SERVICES
Traffic management system
InactiveUS20110199231A1Arrangements for variable traffic instructionsBoardsWireless controlEngineering
A method and system for managing traffic via a plurality of traffic signs positioned sequentially along a stretch of roadway. Each traffic sign in the plurality of traffic signs is capable of displaying more than one different traffic message. The method comprises receiving at a first traffic sign in the plurality of traffic signs a wireless control signal indicative that the plurality of traffic signs are to display a new message, and then causing each traffic sign in the plurality of traffic signs to display a new traffic message. The new traffic messages displayed by the plurality of traffic signs provide information relating to a roadway condition downstream of at least the front-most traffic sign in the plurality of traffic signs.
Owner:LOISELLE VINCENT +1
Traffic signs recognition apparatus and method of outputing speed limit using the same
InactiveUS20150302747A1Arrangements for variable traffic instructionsTraffic sign recognitionComputer terminal
The present invention relates to a traffic sign recognition device configured to be capable of combining road information received from a navigation terminal with road information acquired through a camera so as to recognize and output a speed limit of a traffic sign to be suitable for a fluid road environment and travel environment on a road, and a method of outputting a speed limit using the traffic sign recognition device.
Owner:MANDO CORP
Automatic ticket checking device for performing passage detection based on depth image
ActiveCN102779359AReduce detectionReduce misjudgmentTicket-issuing apparatusIndividual entry/exit registersPasserTraffic station
The invention relates to an automatic ticket checking device which can be arranged at track traffic stations, docks, tourist attractions and the like. A depth image video camera 30 is used for shooting a depth image of a scene of a ticket checking channel 20 of the automatic ticket checking device, and a passer detection unit can judge and track the positions of passers and objects in the ticket checking channel according to the depth image. A master control unit is used for controlling a ticket checking port door 13 to open and close at appropriate time according to the positions of the passers and tracking information which are judged by the passer detection unit. Therefore, the invention provides the automatic ticket checking device which can accurately track the positions of the passers, eliminate error detection or error judgment and realize high reliability.
Owner:苏州雷格特智能设备股份有限公司
Computerized traffic signal system
InactiveUS20110080303A1Eliminate the problemIncrease awarenessControlling traffic signalsColor television detailsTraffic signalHome security
Traffic through a portion of a city formed of streets defining a grid includes clusters of traffic signs, each cluster being positioned at an intersection and having its own cluster process controller. The clusters also include cameras monitoring traffic through and at each intersection. The cameras provide information used locally or at remote localities to control traffic. The remote localities may include a traffic command center, fire / police stations or a home security office.
Owner:GOLDBERG ALLEN +1
User heterogeneous time value and traffic jam expense budget-based traffic distribution method
The present invention discloses a user heterogeneous time value and traffic jam expense budget-based traffic distribution method. According to the present invention, by adding the two traveler economic parameters of the time value and the traffic jam expense budget in a traffic distribution model, the more objective and reasonable road network flow is outputted. According to the present invention, an actual road network is simplified into an abstract traffic network, and a path selection and traffic distribution combined model considering the heterogeneous time value and the traffic jam expense budget is constructed. The time value is a parameter describing the boundary expense, namely, is the fund cost that the users are willing to save and pay for each unit time, and the traffic jam expense budget is the cash quantity that the travelers can dominate the traffic jam expense. Based on considering the traveler heterogeneity, the user travel target can change from the conventional shortest driving time to the minimum comprehensive cost after considering the traffic jam expense budget, namely, the minimum summation of the driving time and the traffic jam expense, so that, obviously, the travel behaviors of the users and the road network flow can be described more reasonably and objectively, and the reference is provided for the path planning and the traffic jam charging.
Owner:SHANGHAI JIAO TONG UNIV
System and method for realizing station-front turning-back of urban rail transit
The invention discloses a system and method for realizing station-front turning-back of a urban rail transit. The system comprises an island platform, wherein an upper direction rail main line and a lower direction rail main line are arranged at the two sides of the island platform; in front of the island platform, a first intersecting point on the upper direction rail main line is provided with a translation line connected with a second intersecting point on the lower direction rail main line; and a third intersecting point on the upper direction rail main line is provided with a connecting line connected with a fourth intersecting point on the lower direction rail main line. As the system has two independent turning-back access lines, trains can alternately use the two access lines for turning back without being interfered so as to improve the station turning-back capacity.
Owner:王冠军
System and method of doppler and local oscillator compensation in a TDMA system
InactiveUS20110176479A1Frequency errorMinimizes frequency errorTime-division multiplexRadio transmissionLocal oscillatorEngineering
System and method for determining an optimal transmission center frequency for a traffic station (30) in a satellite communication system (100) includes transmitting, by the traffic station (30) in a first uplink channel, a first burst of information in a first uplink TDMA frame to a satellite (10) and receiving, by the traffic station (30) in a first downlink channel, a downlink TDMA frame including a reference burst (210) and the first burst of information. A Doppler offset ratio is calculated based on a measured frequency shift of the received first burst of information. A local oscillator offset ratio is calculated based on a measured frequency shift of the reference burst and the Doppler offset ratio. An adjusted transmission frequency of a second uplink channel is calculated based on the Doppler offset ratio and the local oscillator offset ratio.
Owner:HARRIS CORP
Prompt method of traffic station based on mobile phone and mobile phone using the method
InactiveCN102280041ASave storage spaceRoad vehicles traffic controlSubstation equipmentComputer scienceElectronic map
The invention discloses a method for prompting a traffic station based on a mobile phone, which includes: inputting the name of the destination station and the bus route; downloading the map of the bus route corresponding to the bus route from the network; Destination address coordinate information; obtain current GPS positioning information; judge whether the current GPS positioning information is consistent with the destination address coordinate information, and send an arrival prompt message when the current address coordinate information is consistent with the current GPS positioning information; send a reminder based on the arrival prompt information . The invention further discloses a mobile phone. Through the above method, the technical solution provided by the present invention can provide an effective reminder when the mobile phone user arrives at the corresponding traffic station, and there is no need to store a large number of electronic maps in the mobile phone in advance, which can greatly save the storage space of the mobile phone.
Owner:HUIZHOU TCL MOBILE COMM CO LTD
Method for matching vehicle speed based on linear array CCD image
InactiveCN101206229AThe speed measurement method works wellHigh resolutionRoad vehicles traffic controlDevices using time traversedImage resolutionTime difference
The invention discloses a vehicle speed matching method based on linear array CCD image, including the following steps that: two linear array CCD video cameras are respectively arranged on two sections positioned on a road at intervals; both linear array CCD video cameras face downwards and are provided with infrared ray laser source; the frame rate of each CCD video camera is more than 1,000 frames per second, and the resolution is more than 1,024 lines; correlation matching computation of the image sequences obtained by both linear array CCD video cameras is carried out to obtain the time difference of the same object in two image sequences; finally, by means of the time difference and the distance between both cameras, the driving speed of an object vehicle can be obtained according to the velocity formula V=s / t. The invention is suitable for vehicle speed measurement at a traffic station, etc.
Owner:CHANGAN UNIV +2
Method and device for generating traffic travel scheme
ActiveCN103808325AImprove accuracyImprove convenienceInstruments for road network navigationGeneration processUser input
The invention discloses a method and a device for generating a traffic travel scheme, and relates to the internet technical field. Accuracy and convenience of the traffic travel scheme are improved. The method includes the steps of: acquiring starting point information and terminal point information inputted by a user; according to the acquired starting point information and the acquired terminal point information inputted by the user, determining a starting point information-corresponding starting point POI set and a terminal point information-corresponding terminal point POI set; acquiring starting point traffic stations of the periphery of the starting point POI set and terminal point traffic stations of the periphery of the terminal point POI set; and according to the starting point POI set, the terminal point POI set, the starting point traffic stations and the terminal point traffic stations, generating the traffic travel scheme which includes at least one traffic travel route. The method and the device are mainly applied to the generation process of the traffic travel scheme.
Owner:TENCENT CLOUD COMPUTING BEIJING CO LTD
Urban rail traffic station data validation method
InactiveCN103440349AGuaranteed validityGuaranteed availabilitySpecial data processing applicationsData validationData modeling
The invention discloses an urban rail traffic station data validation method which comprises the following steps of: (1) creating station data models by using a data modeling tool according to the station data model design principle; (2) compiling rule bases corresponding to the station data models by using scripting language according to the characteristics of the station data models and loading the station data models into a station data model validation tool; (3) selecting corresponding rules for the different models and validating the station data so as to generate a validation report; and (4) performing iterative validation on the data according to the validation report until the data is completely accurate. According to the whole method, the data is validated more strictly and efficiently from the syntax to the semantics, so that the data validity is effectively ensured; the working efficiency is improved; and the working progress is accelerated. Thus, the usability, the security and the reliability of the system data level are ensured.
Owner:NARI TECH CO LTD
Traffic station and entering and exiting method for magnetic navigation unmanned electric intelligent vehicle
InactiveCN104153603AAvoid confictOptimize schedulingPosition/course control in two dimensionsSmall buildingsTemporary StoppingEngineering
The invention relates to a traffic station and an entering and exiting method for a magnetic navigation unmanned electric intelligent vehicle. The traffic station comprises an entrance, an exit, a platform, a shielding barrier, a temporary stopping area, a trunk road, guiding magnetic nails and an arbitration terminal, wherein the trunk road comprises an entering road, an inverted storehouse road and an exiting road; the entrance is connected with the entering road; the entering road is connected with the temporary area; the temporary area is connected with the inverted storehouse road; the inserted storehouse road is connected with the platform; the platform is connected with the exiting road; the shielding barrier is arranged on the platform; the guiding magnetic nails are paved on the entering road, the inverted storehouse road and the exiting road; the arbitration terminal is arranged in the platform; and the platform comprises a platform stall. Compared with the prior art, the traffic station has the advantages that the magnetic navigation unmanned electric intelligent vehicle can be guided to enter the station or exit from the station correctly and efficiently; the work efficiency of a traffic system of the magnetic navigation unmanned electric intelligent vehicle is improved; and the human intervention degree and the whole cost are reduced.
Owner:TONGJI UNIV
Mixed traffic flow running method used in intelligent network connection environment
The invention belongs to the field of urban intelligent traffic, and discloses a mixed traffic flow running method used in an intelligent network connection environment, which comprises the following steps: researching and analyzing the characteristics of a mixed traffic flow; and determining a mixed traffic flow operation strategy in the intelligent network connection environment, wherein the mixed traffic flow operation strategy comprises an intermittent bus lane passing strategy at a common road section and an intermittent bus lane passing strategy at a traffic station. On the basis of intelligent network connection environment traffic flow characteristic analysis and intermittent bus special lane research, the intermittent bus special lane passing method in the intelligent network connection environment is provided, intelligent network connection vehicles are reasonably distributed to bus lanes, the road traffic flow operation efficiency and application conditions in the method are researched, the utilization rate of the bus lane is effectively improved while relative priority of buses is guaranteed.
Owner:SOUTHWEST JIAOTONG UNIV
Traffic station flow prediction method based on space-time multi-graph convolutional network
PendingCN111489013AImprove forecast accuracyConvenient travel arrangementsForecastingNeural architecturesTraffic predictionAlgorithm
The invention provides a traffic station flow prediction method based on space-time multi-graph convolution. The traffic station flow prediction method is used for solving the problems that in the prior art, the feature capture capacity and prediction precision of traffic station flow prediction are not high. The traffic station flow prediction method comprises the following steps: firstly, constructing a neighbor graph and a circulation flow graph, respectively constructing convolution components and capturing spatial and temporal feature output of station flow , mapping the spatial and temporal feature output into flow values with the same shape as a to-be-predicted result, and fusing the two components to obtain a spatial and temporal multi-graph convolution network model based on context gating; constructing training and testing data according to the station access flow data, obtaining a mature space-time multi-graph convolutional network model, and completing station flow prediction is completed. According to the method, multi-graph convolution is applied to deep mining of traffic station flow data, spatial-temporal characteristics of traffic station flow are fully captured from spatial dimensions and time dimensions, various factors used for predicting traffic station in-out flow are comprehensively considered, and traffic station flow prediction precision is improved.
Owner:BEIJING JIAOTONG UNIV
Checkpoint traffic information-based method for judging traffic violation of long-distance passenger vehicles
ActiveCN104408920AActively know the driving routeGuaranteed credibilityDetection of traffic movementTraffic violationEngineering
Owner:TRAFFIC MANAGEMENT RES INST OF THE MIN OF PUBLIC SECURITY
Method for creating post engineering information model for railway and urban railway traffic station
The invention relates to a method for creating a post engineering information model for a railway and urban railway traffic station. Rail traffic engineering construction involves a plurality of fields and has complex links and a large amount of information, the entire process is perfected continuously with the addition and optimization of all engineering information, and the requirement on total planning of the entire process is high. The method comprises the following steps: making a single functional department create an information model of the department and establish a working set of the department; gathering the working sets of all departments onto the same working platform by sharing elevation and a shaft screen to integrate into a project working set; embedding plant feature information, design information and construction information into a system to form completion data for an operator; gradually separating the information, and constructing task flow in real time according operation for loading and outputting; and releasing cache after finishing output, and recording a log file. According to the method, various types of relevant information in a project are integrated reasonably through a parameter information model, and the created information model is shared and transmitted in a full life cycle process, so that the engineering progress is effectively optimized.
Owner:CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
Clean free lamp box type sign frame for public traffic station
InactiveCN1503206AEasy to seeCompletely remove image damageIlluminated signsBoardsTectorial membraneSolar battery
A free of cleaning lamp box bus stop signboard frame is composed of a body of a master frame, a door, a lamp 4 in the body a cleaning film and a protection film. A vacuum cavity 15 is on the body similar to the size and shape of 4, when lighting the sign board 4 and a power supply system are right in 15, and a lamp is also on a frame 38, a solar battery plate and a shelter for lamp and billboard on the top, a protection film and a cleaning film are adhered on outside of a displaying with billboards and bus number board inside, a reel 56 for renewing cleaning film 5 with frame 11 and a reel 55 for renewing a protection film 3 with frame 50 are mounted on a protection frame, stamping steel, ribbons, glues and screws fix the drum body on the earth with a base frame.
Owner:李京岐
Traffic communication-integrated system
InactiveUS20140172393A1Road vehicles traffic controlDesign optimisation/simulationGraphicsGraphical user interface
Provided is a user interface for implementing a traffic communication-integrated simulation based on a vehicle communication system. The traffic communication-integrated system comprises a traffic simulator which performs a traffic simulation and calculates a link passage time of a vehicle; a communication simulator which performs a communication simulation and simulates a communication between a communication between vehicles and a communication between a vehicle and an infrastructure; and a user interface, wherein the user interface includes an interface server which provides a simulation platform interfacing in real time in a synchronous way the traffic simulator and the communication simulator; and a graphic user interface unit which outputs a result of the simulations.
Owner:THE KOREA TRANSPORT INSTITUTE
Traffic system monitoring method based on cloud architecture, and control center cloud servers
The embodiment of the invention provides a traffic system monitoring method based on a cloud architecture, and control center cloud servers. The method is characterized in that the control center cloud servers determine service units for each monitoring domain, and each monitoring domain is responsible for monitoring traffic stations in the monitoring domain; for each monitoring domain, the service units acquire running status information of the traffic stations in the monitoring domain, and the working statuses of the service units are determined according to the running status information; and if the running status information comprises inter-domain status information, the service units for each monitoring domain send the inter-domain status information to the service units for the associated domain(s). The method provided by the embodiment of the invention has the advantages that through deployment of the control center cloud servers, monitoring of the traffic stations is virtualized into the monitoring domains which are centralized on the control center cloud servers, and communication among the monitoring domains is available, so that owner investments can be greatly reduced, and business data sharing among the traffic stations can be achieved.
Owner:QINGDAO HISENSE TRANS TECH
Traffic sign transmitting end and traffic sign recognition system
ActiveCN105788326AImprove recognition accuracySolve technical problems with low recognition rateRoad vehicles traffic controlTraffic sign recognitionComputer network
The embodiment of the invention discloses a traffic sign transmitting end and a traffic sign recognition system. The traffic sign transmitting end comprises a processing module, a data storage module and a wireless transmitting module, wherein the data storage module is used for storing identity information of a traffic sign related to the traffic sign transmitting end; the wireless transmitting module is used for transmitting the identity information to the surrounding environment in a wireless mode; and the processing module is used for reading the identity information stored in the data storage module and controlling the wireless transmitting module to transmit the identity information. According to the technical scheme of the invention, through building the traffic sign recognition system comprising a general control end, the traffic sign transmitting end and a traffic sign receiving end, the technical effect that the traffic sign receiving end acquires the sign content through receiving the identity information of the traffic sign can be realized, the problem of low recognition rate of the traffic sign recognition technology based on image recognition is solved, and the traffic sign recognition accuracy is improved.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
Subway monitoring system and monitoring method
PendingCN108282540AImprove resource utilizationSave resourcesRailway traffic control systemsTransmissionResource utilizationDistributed control system
The invention discloses a subway monitoring system and monitoring method. A resource utilization rate of devices configured in the monitoring system can be improved, and resources are saved. The subway monitoring system comprises a cloud server, wherein the cloud server supports a cloud protocol in a distributed control system protocol and is used for managing at least one service unit deployed onall lines of the subway, monitoring the at least one service unit according to operation data of traffic stations provided for the cloud server by the at least one service unit, and providing a working policy for the at least one service unit; the at least one service unit which is used for obtaining the operation data of the corresponding stations, uploading the operation data to the cloud server, receiving the working policy and control information sent by the cloud server for each service unit, and scheduling the stations; and a switch which is used for establishing connection between thecloud server and the at least one service unit, wherein the cloud server and the at least one service unit are located in a subway local area network through the switch.
Owner:GUANGZHOU METRO DESIGN & RES INST
Road intersection traffic signal system control method
ActiveCN105489018AImprove control accuracyImprove accuracyControlling traffic signalsDetection of traffic movementTraffic signalRoad crossing
The invention discloses a road intersection traffic signal system control method. The method comprises the following steps that 1, a road intersection queuing length model is built, and the road intersection queuing length is calculated through the road intersection queuing length model; 2, the position of a single-entrance-lane saturation point is determined according to the formula (1), and the position of a single-entrance-lane spill point is determined according to the formula (2); 3, the traffic state of single entrance lanes is determined according to the position of the saturation point and the position of the spill point in the second step, and the traffic state of a road intersection is determined according to the traffic state of each entrance lane of the road intersection; 4, a traffic signal system of the road intersection is controlled according to the determination result of the traffic state of the road intersection in the third step. According to the road intersection traffic signal system control method, the queuing length can be more accurately calculated, the traffic state of the road intersection is determined, and the traffic signal system control accuracy is improved.
Owner:苏州六头牛信息科技有限公司
Control system for shielding barrier and safety gate of rail transit platform
InactiveCN102561880ARealize the control functionSolve technical bottlenecksRailway componentsPower-operated mechanismProgrammable logic controllerControl system
The invention relates to a control system for a shielding barrier and a safety gate of a rail transit platform, which is connected with field gate equipment via electric signals and comprises a data acquisition unit, a central control unit and a monitoring unit. The data acquisition unit, the central control unit and the monitoring unit are connected sequentially via electric signals; the data acquisition unit is connected with the field gate equipment via electric signals; the data acquisition unit acquires data of the field gate equipment, transmits the data to the central control unit, and receives commands of the central control unit to control and set the field gate equipment; and the central control unit receives the data of the field gate equipment, transmits the data to the monitoring unit and transmits control commands issued by the monitoring unit to the field gate equipment. A common programmable controller in the present market is technically innovated, process requirements are met, various control functions of the shielding barrier and the safety gate are realized, technical bottlenecks of the programmable logic controller applied to the shielding barrier and the safety gate are broken through, and an industrial control product can be really used as a control core component on the shielding barrier and the safety gate.
Owner:SHANGHAI JIACHENG RAILWAY TRANSPORTATION SAFETY SYST
Rail transit station connection facility supply and demand balance optimization and adjustment method
The present invention discloses a rail transit station connection facility supply and demand balance optimization and adjustment method. The method comprises the steps of: obtaining traffic connectiontravel demand passenger flow prediction amount according to the get-in passenger flow and exit passenger flow in peak hour of each characteristic year of a predicted rail transit station, and according to the land controlled planning around the stations, determining the connection land total amount; constructing a resident distribution model and each travel mode network; solving the travel probability of each travel mode of each circle layer and the travel probability of each circle layer; solving the connection passenger flow volume of each travel mode and lands required by each travel modeconnection facility; and performing connection facility configuration optimization and adjustment according to the connection facility loading rate of each travel mode, the connection passenger flow volume, the connection facility land, the planning land, the footpath width, the number of bus lines and the number of non-motor vehicle parking stalls. The rail transit station connection facility supply and demand balance optimization and adjustment method makes up the technical defects that a current connection facility is difficult to perform quantitative optimization and adjustment to guide the rail transit designers to quantitatively adjust the connection facility supply or optimize the traffic travel network.
Owner:JIANGSU PROVINCIAL COMM PLANNING & DESIGN INST +1
Route inquiry method and system
InactiveCN104516907AAccurate queryPrecise positioningSpecial data processing applicationsInformation findingThe Internet
Owner:TENCENT TECH (SHENZHEN) CO LTD
Method for predicting inbound and outbound passenger flow of urban rail transit station
ActiveCN108694463AEffectively predict travel volumeImpact Effective AnalysisForecastingTraffic forecastBuilt environment
The invention discloses a method for predicting an inbound and outbound passenger flow of an urban rail transit station. The method comprises the steps of firstly, counting an average inbound and outbound passenger flow of an existing rail transit station on weekdays according to an automatic ticketing system; then, respectively obtaining built environmental elements within the range of 500 m at peripheries of the existing rail transit station and new rail transit station; establishing a regression model of the average inbound and outbound passenger flow data of the existing rail transit station on weekdays and the built environmental elements within the range of 500 m at the periphery of the existing rail transit station, and substituting the built environmental elements within the rangeof 500 m at the periphery of the new rail transit station into the regression model to obtain an average inbound and outbound passenger flow prediction value of the new rail transit station on weekdays. By use of the method for predicting the inbound and outbound passenger flow of the urban rail transit station, an influence of built environments at the periphery of the station on inbound and outbound passenger flows can be effectively analyzed, and further the passenger flow of the new rail transit station is predicted based on the influence.
Owner:SOUTHEAST UNIV
Wide-passage shear type door mechanism for automatic ticket checking machine
ActiveCN101418651AImplement security blockingControl the SqueezeTicket-issuing apparatusWing handlesEngineeringRail transit
The invention relates to an automatic ticket checker entrance guard, especially a scissor-like door with wide passage for automatic ticket checker in track traffic station. The door comprises a leaf door swing arm and a large leaf door driven by the leaf door swing arm, and is characterized in that the large leaf door is in hollow sandwich structure and is provided with a small leaf door pivot, the small leaf door is arranged in the hollow sandwich, and one end of the small sandwich is fixed on the small leaf door pivot and can rotate around the small leaf door pivot. The technical scheme of the invention can realize the safe obstruction of the wide passage by arranging a telescopic small scissor-like door in a large scissor-like door.
Owner:SHANGHAI HUAMING INTELLIGENT TERMINAL EQUIP
Method for transmitting traffic information about a traffic obstruction
InactiveUS6861960B2Improve accuracyAnalogue computers for vehiclesArrangements for variable traffic instructionsLocation dataTraffic station
The method of transmitting traffic information about a traffic obstruction on a traffic way with digital coded messages includes coding a coded location contained in a location data bank, which amounts to an approximate position of the traffic obstruction on the traffic way, and a section part of the traffic way between the coded location and an actual position of the traffic obstruction on the traffic way in a traffic message and then transmitting the traffic message. In addition the length of the traffic obstruction can be included in the traffic message. In a preferred embodiment the traffic message is a TMC traffic message coded with ALERT-C protocol. In which the section part is coded in label 12 and the length in label 2.
Owner:ROBERT BOSCH GMBH
Traffic signal control method in urban traffic management
InactiveCN102693638AStrong dependenceReduce dataControlling traffic signalsTraffic signalTraffic intensity
The invention relates to a traffic signal control technology and aims to provide a traffic signal control method in urban traffic management. The method comprises the steps of: judging crowding conditions through a loop detector, and triggering demand control if traffic intensity parameters and inflow and outflow rate parameters reach the preset threshold values; screening a reasonable path from each node to crowded section according to a road network topological structure, and obtaining a demand control phase; and calculating an inflow and outflow rate of the crowded section, and determining a compression ratio of the demand control phase. According to traffic signal control method, few data is required, only flow data and occupancy data are required, and the method is low in dependency of the road network topological structure and suitable for a road network with any topological structure. The traffic demand is controlled, so that the traffic flow entering the crowded section is equal to traffic flow pulling out, and the phenomenon that the traffic state of the road section is not worsened can be fundamentally ensured.
Owner:ZHEJIANG UNIV
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