38results about How to "Improve traffic management" patented technology

The invention discloses a cooperative control method of a left-opened-door bus special phase setting and social traffic flow, which comprises the following steps: setting a bus station and a stereo facility which help pedestrians to cross a street; detecting a bus; determining the running time of the bus; determining a signal phase of the bus which drives through an intersection; and setting the bus special phase and a cooperative control plan. According to the invention, the bus stations in two directions are combined and placed at a median strip of the intersection, so that not only the land is saved, but also the bus station points are easier to recognize, and meanwhile, a new concept for planning and constructing of a public transit network is provided, that is, the public transit network is connected based on the bus stations arranged at intersections. With the adoption of the method, the situation that the bus does not stop at an intersection without a bus station while stops at an intersection with a bus station can be basically realized, so that passengers waiting for a long time at an intersection with a bus station can be avoided, thereby shortening the whole driving time of the bus and improving the whole operation efficiency of the bus system. Moreover, the method is functioned as the cooperation of the social traffic flow, so that the passing efficiency of the whole intersections is guaranteed.

The invention provides a city signal control intersection traffic state detecting and evaluating system based on data characteristic and a method and an application thereof. The system comprises a vehicle state detection unit, a control state monitoring unit, a signal collecting unit, a microprocessing unit, a data transmitting unit, a data processing unit and a traffic state display unit, wherein, the vehicle state detection unit and the control state monitoring unit are connected with the signal collecting unit in parallel; then the signal collecting unit is also connected with the microprocessing unit, the data transmitting unit, the data processing unit and the traffic state display unit sequentially; the microprocessing unit is also connected with a real time data storage unit signal; and the control state monitoring unit is also connected with a traffic signal lamp signal. The method is applicable to various traffic engineering technology activities carried out by traffic real time data analysis, and the method has the advantages of intuition, easy application, high judgement accuracy and wide application range.

The real-time information investigating system for road traffic includes traffic information collecting system, geographic information system and data analysis and treatment system. The traffic information collecting system consists of information collecting terminal comprising vehicular positioning instrument, CCD camera installed in main road section and cross road, etc; communication server, etc. and the vehicular positioning instrument transmits upwards the vehicle position, speed and other real-time information to the communication server in the information center. The geographic information system and the data analysis and treatment system consist of magnetic disc array, geographic information server and data analysis server. The collected traffic information and the data of the geographic information system are merged to obtain real-time road traffic state data. The present invention can greatly raise the through rate of roads.

The invention relates to the technical field of vehicle damage assessment, and discloses a method and a system for assisting rapid damage assessment in a slight traffic accident, and the method comprises the steps: receiving a driving data sequence collected and sent by a vehicle-mounted information terminal after a vehicle-mounted device senses a collision, and receiving a picture of an accidentsite; Matching a corresponding vehicle brand and model in a preset vehicle information base according to the driving data sequence; Identifying a vehicle part to which the collision position belongs from the accident scene picture; Matching the replacement price of the vehicle part to which the collision position belongs in a preset vehicle part replacement price library according to the vehicle brand and model and the vehicle part to which the collision position belongs, and calculating the total replacement loss; And matching vehicles of two accident parties in the same traffic accident by utilizing the position of the vehicle and the accident occurrence time point, generating a slight traffic accident loss report and sending the slight traffic accident loss report. According to the method, the loss of the two vehicles can be quickly judged in the first time after a slight traffic accident, so that the two private vehicles do not compete for compensation money and stay on the scene for a long time.

The invention relates to the field of intelligent transportation systems, in particular to an ultrasonic electronic bayonet monitoring apparatus which comprises a central processor, a detection system and a shooting system, wherein the central processor is respectively connected with the detection system and the shooting system; the shooting system comprises a controller C, a camera, a flashlight and a support C, wherein the camera and the flashlight are respectively connected with the controller C; the controller C is connected with the center processor; and the detection system is an ultrasonic detection system which comprises a frame A, a frame B, a plurality of isometric ultrasound probes arranged on the top beam of the frame A, a plurality of the isometric ultrasound probes arranged on the top beam of the frame B, a controller A and a controller B. The invention has the beneficial effect that real-time detection and real-time shooting of violations of regulation, such as overspeed, superelevation and superwide of vehicles can be realized by the ingenious utilization of the ultrasound probes on the premises of low cost and freedom from counterreconnaissance.

The invention discloses a road network passing efficiency change rate calculation method facing a traffic manager. The method comprises the steps of: selecting and calculating a road network average travel speed and road network transportation efficiency in unit time; carrying out grouped processing the average travel speed and the road network transportation efficiency according to the number of road network running vehicles, and determining a mapping relation of both the average travel speed and the road network transportation efficiency with the road network running vehicle number; defining a road network passing efficiency grouping comprehensive change rate and calculating a weight value; calculating the road network passing efficiency comprehensive change rate before and after implementing a control scheme according to the averaged travel speed, the road network transportation efficiency and an index weight, and performing contrastive analysis on the change of the passing efficiency. According to the invention, the defect that the influence of the alternating quantity cannot be eliminated in the original calculation of the road network passing efficiency change rate is overcome, comprehensive comparison and evaluation of the urban road traffic road network passing efficiency are facilitated, the potential of the policy and measures is excavated deeply, and the data support and decision basis for improving the traffic management level and the road network passing efficiency are provided.

The invention discloses a tunnel double-line tidal lane management and control system based on computer information technology control, mainly relating to the field of information technology and traffic technology. The system includes tidal lanes, with variable directions; The monitoring system comprises a field detection part and a network data part. Road traffic data obtained by the field detection part and the network data part are fed back to the control system. An isolation system having an isolation structure capable of moving a position between traffic lanes on both sides of a tidal lane; The control system includes a power supply module, a PLC module, a wireless communication module, and a manual control module, and initiates an automatic lane change operation or a manual control operation once a congestion condition exceeds a predetermined upper limit threshold. The control system includes a power supply module, a PLC module, a wireless communication module, and a manual control module. The invention has the beneficial effects that the timeliness and the safety of the lane changing are remarkably improved, and the traffic management is smoother and more efficient.

The invention relates to a ground road traffic real-time information issuing system. The issuing system comprises a GIS spatial data module, a traffic information database module, a data acquisition module, a spatial data management module, a data processing module, a data monitoring module, a data service module and a traffic information management module, wherein the spatial data management module carries out data maintenance management on the GIS spatial data module; the road flow data acquired by the data acquisition module is sent to the traffic information database module. the GIS spatial data module provides GIS basic data services for the data acquisition module, the data processing module, the data monitoring module and the data service module; the traffic information database module provides real-time traffic information services for the data processing module, the data monitoring module and the data service module; and the traffic information management module makes a traffic decision response according to the data of the traffic information database module. The issuing system improves the existing road capacity so as to help to solve the problem of traffic congestion by issuing traffic information to the public.

The invention relates to an intelligent traffic rod and an intelligent road system. The intelligent traffic rod includes a main pole composed of a hollow tube, a cantilever fixedly connected with themain pole, a lighting device arranged on the cantilever, an inspection door which is arranged at a lower part of the main pole and is internally provided with a control circuit board equipped with a central control system, and a first sensing system which is fixed on the main pole through a fixing mechanism, wherein an illumination sensor and a precipitation sensor are integrated into one body, the illumination sensor is used for detecting brightness of the road, the precipitation sensor is used for detecting the precipitation around the road, and the central control system is used for automatically adjusting brightness of the lighting device according to the brightness and precipitation data detected by the first sensing system. The intelligent traffic rod is advantaged in that the intelligent road system is provided with the multiple intelligent traffic rods as described above disposed on one side or both sides of the road and a cloud platform, based on various detection data from the multiple intelligent traffic rods, corresponding processing is performed, and the related data or the indication information are distributed to corresponding departments.

The invention provides a method and a system for traffic analysis and management. The method comprises the following steps: for each of at least two geographic areas, generating a first graph based ontraffic data related to traffic behaviors in the geographic area; obtaining a first similarity indicator for any two geographic areas in the at least two geographic areas through a graph accounting method, the first similarity indicator measuring similarity between first graphs of any two geographic areas in the at least two geographic areas; grouping the at least two geographic regions into at least two groups based on a first similarity indicator; and for each of the at least two groups: identifying at least one characteristic traffic type of the group; a policy is associated for the set tofacilitate or limit traffic behavior of the at least one characteristic traffic type of the set. Through the method, the traffic management strategy can be formulated according to the similarity of traffic conditions among different cities, so that the traffic management effect is improved.

Embodiments of the invention relate to the field of intelligent transportation, and especially relate to a link travel time calculating method and a link travel time calculating device based on big data. After the single-vehicle time taken by each vehicle passing a link i in an mth period is acquired, the initial travel time value of the link i in the mth period is determined according to the single-vehicle time of each vehicle; abnormal vehicles are determined according to the single-vehicle time of each vehicle and the initial travel time value; and finally, the link travel time value of the link i in the mth period is determined according to the single-vehicle time of the vehicles after elimination of abnormal vehicles. Thus, the quality of data is ensured, the link travel time can be calculated out accurately according to collected traffic flow information and based on the big data technology, real-time traffic information service is provided, a decision-making basis is provided for traffic managers to optimize the traffic organization and ease the traffic congestion, and the level of traffic management is raised.

The invention provides a rotary type vehicle-mounted antenna for a Big Dipper navigation system and relates to a dipole antenna. The rotary type vehicle mounted antenna is provided with four pairs of dipole arms, a support bracket and a coaxial feed cable metallic reflection plate, wherein the four pairs of dipole arms are divided into two groups; the front end of each group of rotary type dipolearms is provided with feeding points; a feed cable is provided with internal and external leads; the feeding points of positive arms are connected with the internal lead, and the feeding points of negative arms are connected with a coaxial-cable outer conductor; the feeding points in each group of dipole arms are arranged in the same plane; angles of elevation are formed by four dipole arms and the plane; a distance exists among planes in which the feeding points are arranged and the distance also exists between the planes and a ground plane; the two groups of rotary type dipoles are used forreceiving and transmitting Big Dipper signals respectively; the internal lead is connected with a vehicle-mounted navigation system and the external lead is connected with the reflection plate; and the reflection plate is fixed on a vehicle body. The vehicle-mounted antenna has the advantages of good gain performance, large bandwidth, low return loss and omnidirectional radiation characteristic; in addition, the transmitting signal frequency can cover 1600+/-100MHz, and the receiving signal frequency can cover 2500+/-80MHz.

The invention discloses a road section traffic flow time-varying flow prediction method for vehicle-road cooperation. The method comprises the following steps of constructing a road section initial motorcade based on a prediction time span; calculating road data acquisition section motorcade operation characteristic parameters; calculating an operation characteristic initial value of the road control section reordering fleet; calculating fleet operation characteristic parameters of a traffic flow driving-out and driving-in control section; and predicting the road section traffic flow time-varying flow. According to the prediction method provided by the invention, the traffic flow condition of the road section can be accurately calculated under the condition of considering the traffic flow time-varying characteristics, so that the capability of accurately sensing the traffic flow time-varying flow of the road section is improved, and the road traffic management level is improved.

The invention relates to the technical field of traffic lights and the like, and particularly discloses a multifunctional LED traffic light and a control system. The multifunctional LED traffic lightcomprises an LED screen body assembled on a lamp bracket, wherein the LED screen body displays traffic light information and traffic information, a cross bar is assembled below the LED screen body, and a plurality of monitoring device are arranged on the cross bar. The control method of the multifunctional LED traffic light comprises a monitoring workstation, a control center and a controller, wherein the controller is directly connected with the monitoring device, the controller is connected with the traffic light by means of a programmable controller; and the controller can be connected withthe LED screen body in a wired or wireless manner, and the LED screen body is internally provided with a receiving card. The multifunctional LED traffic light and the control system have the advantages that information requirements of people on the road can be satisfied, the data can be seamlessly connected with the existing traffic command system, the intellectualization and smartness of trafficmanagement can be realized, and data information satisfying requirements is provided for the acquisition, processing, cloud computing and the like of traffic big data in future.