136 results about "Urban transit" patented technology

A method of reducing congestion on a roadway is disclosed comprising dividing selected lengths of selected normal lanes of a roadway into two commuter lanes, providing distinctive lane markings to identify the commuter lanes, and dynamically designating selected lengths of selected lanes as either normal lanes or pairs of commuter lanes. In order to dynamically change lane configurations, a set of indicators can be provided as lane markers together with a control system to alter particular lane configurations between normal lanes and commuting lanes both cyclically according to a preprogrammed schedule and dynamically in response to sensed vehicle traffic volume, unusual events such as accidents, weather, and so on. Commuter lanes are designated cyclically and dynamically in response to traffic conditions to increase the capacity of the affected road. Normal lanes are designated at other times. To facilitate entry and exit from designated commuter lanes, transition zones can be provided where entering and exiting commuter lane traffic has right of way.

A commuter vehicle is disclosed for use on commuter lanes. A typical commuter vehicle weighs less than 650 lbs., has at least three wheels, an enclosed seating compartment, and a low center of gravity with at least one occupant. In one embodiment, occupants sit in a near-kneeling position to lower their center of gravity. In, an alternate embodiment also providing a low center of gravity, occupants sit in a recumbent position. A mechanism can be provided to raise and lower the seats to facilitate occupant entry and exit. Occupants can be position in-line, one behind the other. Embodiments with two, three, or more seats can be provided.

The invention provides a data syncretizing method for urban traffic circulation indexes, comprising the steps of: (1) data syncretizing for a crossing circulation index presented by an average delayed weighting expected value of vehicles from the various directions, (2) data syncretizing for a trunk line multi-crossing circulation index presented by an average travelling time delay for vehicles passing by the crossings of the trunk line, and (3) data syncretizing for a road network multi-crossing circulation index presented by an average travelling time delayed weighting expected value in each trunk line in the road network. The method of the invention realizes the optimizing control for traffic by acquiring traffic parameters to perform data syncretizing for urban traffic circulation indexes based on a traffic state acquiring technique of urban traffic. The invention has universality, comprehensiveness and flexibility.

The invention discloses a method for forecasting the passenger volume of urban rail transit under emergencies. The method comprises steps of S1: acquiring urban rail transit physical network information, train running information, passenger volume data and emergency information to determine the passenger volume distribution and affected passenger volume data of urban rail transit; S2: constructing a set of alternative travel plans for passengers under emergencies, updating the affected passenger volume data after the passengers select each alternative travel plan; and S3: calculating the passenger volume of all stations of urban rail transit based on unaffected passenger volume data. The method fully considers the impact of emergencies on the operation of urban rail transit and considers the characteristics of passengers' travel behaviors under emergencies to improve the accuracy of forecasting passenger volume distribution of urban rail transit under emergencies. The method provides a theoretical basis to formulate an effective emergency plan and operation management measures, can effectively divert passengers stranded due to emergencies to protect passenger travel safety, and can improve the service level of the subway operation department.

The invention discloses a crossway free-flowing type road structure and a traffic route thereof with urban traffic lights decontrolled, comprising the road structure and the traffic route. The invention is characterized in that: the ground traffic lanes which are adjacent and in opposite directions in the crossroad section are set as the straight traffic lanes in the direction, wherein a two-way straight viaduct which steps over the ground straight traffic lane of another intersected direction is set in the middle of one direction and is connected with the ground road in the direction. A motor vehicle left-face arcuate viaduct which takes the crossing centre axis of the crossroads as the circle center is set at the road intersection in all directions of the crossroads. Non-motor vehicles and pedestrian footbridges are arranged side by side on the lateral side of the motor vehicle left-face arcuate viaduct. The ground traffic lanes which are adjacent or in opposite directions in the crossroad section is set as the right curve, the left curve, the non-motor vehicle road and the sidewalk which are arranged successively towards the outside of the straight traffic lanes in all directions. The traffic routes within the section of the crossway free-flowing type road structure are set as follows: the straight moving vehicles travel on respective straight traffic lanes, the vehicles turning right travel on the right curve in all directions, the vehicles turning left travel along the right curve firstly, and travels along the right curve after passing through the left curve viaduct in the right direction, and then travels along the right curve after passing through the left curve viaduct in the opposite side to realize the left curve travelling by moving along the right curve.

The present invention relates to a non-conflicting urban motor-vehicle road system. It is characterized by using ground road as basis, changing all the motor-vehicle road intersections into non-conflicting intersections and remaking the traditional urban-road system composed of high-speed road, main road, secondary road and branch road into a high-speed urban-road system so as to solve the problem of traffic block.

A method to improve traffic efficiency at intersections, which comprehensively considers the traffic of four common traffic elements in urban traffic, public vehicles, non-motorized vehicles, and pedestrians, and divides road sections into ordinary driving sections, internal diversion sections, and left-turning sections. There are four functional sections: the intersection section and the intersection diversion section. The intersection is divided into four parts: the intersection area of ​​left and right turning lanes at the corner, the intersection area of ​​central motor vehicle lanes, the non-motor vehicle passage area, and the pedestrian passage area. The traffic conflict at the intersection is decomposed into the central traffic conflict point of the intersection, the corner traffic conflict point, the internal conflict point of the road section, etc. Each serious conflict point is solved by two phases, and the phase time of different intersections overlaps as much as possible to realize the traffic flow in all directions as much as possible. Non-motor vehicles and pedestrians can pass at the same time without conflict, so as to achieve the purpose of improving traffic capacity, reducing waiting time and improving service quality.

The invention discloses a four-track traction power supply device for an urban transit. Two contact tracks are mounted on an overall insulating support in the vicinity of a vehicle walking track, andrespectively acted as a traction track and a backflow track which keep an insulation safe distance to each other. When a train runs, a traction shoe and a backflow shoes mounted on a vehicle steeringframe in an insulation manner are in contact running with corresponding traction track and the backflow track; a power anode of a traction substation, the traction track, the traction shoe, a vehicletraction main loop, the backflow shoe, a backflow track and a power cathode of the traction substation are formed to be a complete train traction power supply loop. The four-track traction power supply device adopts the installation method of the insulation combination of the traction track and the backflow track, thereby fundamentally removing the influence of long-term corrosion of stray currentby adopting the walking track backflow method and achieving the landscape requirements. Meanwhile, the four-track traction power supply device saves construction investment cost and has very obvioustechnical advantages and social benefits.

The invention provides an electronic police system of an urban traffic crossroad and belongs to the field of intelligent traffic and the technical field of automatic control. According to the electronic police system of the urban traffic crossroad, traffic video information is captured through a CCD camera, the information is processed, effective traffic information (such as the number of vehicles, vehicle speeds and rule violation situations of the vehicles) is extracted from a video, the effective traffic information is transmitted to an information management center, and the decisions such as traffic light switching are executed. According to the electronic police system of the urban traffic crossroad, an intelligent control system is introduced on the basis of an existing traffic light system, and the work of traffic police can be carried out by the electronic police system at the traffic crossroad.

The invention provides a city intersection traffic bridge or channel, belonging to the field of urban traffic facilities. The structure thereof comprises a first passing road surface and a second passing road surface which are intersected, wherein, the first passing road surface is a direct passing road surface, the second passing road surface is a runaround road surface, a guide bridge is spanned and arranged on the first passing road surface and both sides of the second passing road surface, or a guide channel is dug and arranged under the first passing road surface and both sides of the second passing road surface. The distance between the guide bridge or the guide channel and the passing road surface can be determined according to the width of the road and the actual situation of the building before construction. Compared with the prior art, the city intersection traffic bridge or channel not only solves the problems of direct vehicle movement, turning right, turning left and u-turn, but also solves the problems of large volume of the original overpass, a large quantity of buildings to be removed, difficult construction of common overpasses in crowded city intersections due to crowded buildings.

The adaptive intelligent signal light controller of the intelligent traffic light control system generates 3D images based on the real-time traffic data collected by the rotating laser radar and solid-state laser radar erected above the intersection, and cooperates with the millimeter wave radar erected next to each traffic light , stereo cameras and other sensors to generate accurate real-time 3D image data at intersections, which can generate 120 3D images per second, and the operating system of the adaptive intelligent signal light controller will automatically analyze the traffic where it is based on the collected 3D image data The real-time environmental information of vehicles, pedestrians, and road surfaces at the intersection is calculated and analyzed. The adaptive intelligent signal light controller flexibly changes the traffic lights according to the real-time traffic conditions of vehicles and pedestrians at each intersection, which can efficiently guide vehicles and pedestrians at the intersection. Vehicles and pedestrians in the east-west direction will have passed through completely, and the north-south direction cannot be changed to green light in time, and the vehicles and pedestrians in the north-south direction can only wait for the red light to count down. It also improves the unnecessary congestion problem caused by the decrease of the actual traffic capacity of the intersection and the long delay time of vehicles passing the intersection due to the unsatisfactory control strategy of the current urban traffic lights.

The invention relates to a quick constructing method of a cross-line bridge. The method includes that a transportation and erection integrated trolley is adopted to move to a girder fabrication yard to carry a prefabricated cross-line bridge segment, carries the cross-line bridge segment to a specific location of a bridge installation site by adopting power of an additional trailer, is separated from the additional trailer; during carrying along a service road parallel to one side of a construction road, a suspension system rotates by 90 degrees; during carrying along an existing rod, the complete trolley rotates in place by 90 degrees, and then a rear suspension system rotates by 90 degrees; the transportation and erection integrated trolley jacks to allow the bottom of the cross-line bridge segment to be higher than cross-line bridge pier supports, and laterally moves to a position between elevated bridge cross-line piers; the transportation and erection integrated trolley descends to allow the cross-line bridge segment be supported on the cross-line bridge pier supports; the transportation and erection integrated trolley exits from the elevated bridge cross-line piers, acts repeatedly and returns to the girder fabrication yard. The method is quick in installation, and traffic of the existing road in the daytime is unaffected; quick bridge construction is realized in the true sense, impact on urban traffic is reduced to the lowest, and the method has remarkable social benefit.

The invention relates to a traffic facility, that is, a safety guardrail for an urban level crossing. The safety guardrail is composed of a main machine part compartment column 8 and an auxiliary machine part compartment column 1 as well as a base 15 and a guardrail belt 7 thereof. The safety guardrail is characterized in that the main machine part compartment column 8 and the auxiliary machine part compartment column 1 are connected into a whole part by the guardrail belt 7 provided with a conductor and linked with a traffic light, the guardrail belt 7 correspondingly raises, falls and stops with signal changes of the traffic light, thus realizing automatic no-passing and passing control of non-motor vehicles and pedestrians at the urban level crossing. The safety guardrail has the advantages of simple structure, easy assembly and disassembly, low maintenance cost, beautifulness, practicality and no safety hazard, can effectively reduce urban traffic accident rate, improve software level and hardware level of urban traffic facilities, facilitate to take away inelegant semaphore and tricing line phenomena of urban traffic wardens, and greatly improve traffic order of urban level crossings.

The invention relates to a safe and fast traffic law scheme which has a lower cost and is associated with city road construction, motor vehicles, non-motor vehicles, pedestrians, animals and the like. The scheme is characterized in that motor vehicle lanes are divided into low-speed lanes at levels 0, 1, 2 and 3, intermediate-speed lanes at levels 4, 5 and 6 and high-speed lanes at levels 7, 8, 9 or higher; and man-vehicle separation guardrails are arranged so that the occurrence of traffic accidents is greatly controlled by means of the man-vehicle separation. The roads at different levels are intersected, the roads at same level are not intersected, the roads at odd-even levels are intersected, the roads at odd levels are not intersected and the roads at even levels are not intersected; and simply constructed flyovers occupy small floor space and have lower height so that the security is enhanced and the construction cost is saved. The junctions are divided into three-road junctions, T-shaped junctions, crossings (with monitoring systems), annular junctions, junctions with five roads, six roads, seven roads, eight roads, nine roads and above, and the like. The traditional motor vehicle signal lamps, non-motor vehicle signal lamps and pedestrian crossing signal lamps are cancelled so that the time is saved and the efficiency is improved. At the T-shaped junctions and the crossings, the motor vehicles can run according to the arrival time; the right-turn motor vehicles allow the straight-through motor vehicles to run first; if two motor vehicles going straight arrive at a waiting line at the same time, the motor vehicle on the road at the lower level allows the motor vehicle on the road at the higher level to run first; therefore, the city traffic runs safely, orderly and rapidly. The non-motor vehicles, the pedestrians, the animals and the like advance on the non-motor vehicle lanes and the sidewalks and utilize skywalks and underground passages for crossing roads.

The invention relates to the field of Internet of Things and smart parking, and discloses an urban traffic guidance system. The system can effectively improve the urban traffic, reduce the road congestion and parking difficulty, and improve the resource utilization rate of the parking lot. The system comprises a road terminal, a user terminal, a cloud platform and a parking lot terminal. The roadterminal is used for receiving and exhibiting traffic guidance information issued by the cloud platform, and reporting state information thereof to the cloud platform. The user terminal is used for loading a terminal application, and is used for reporting current road condition information to the cloud platform and checking traffic guidance information pushed by the cloud platform to plan a properdriving route. The cloud platform is used for integrating the received various information and related traffic information established by an operator on the cloud platform, and is used for performingclassification and sending the information to a corresponding terminal which needs the guidance information, so as to provide the traffic guidance information for driving and parking for an user. Thecloud platform is further used for maintaining and managing related data information of the road terminal and the parking lot terminal. The parking lot terminal is used for detecting berth information of the parking lot and reporting the berth information to the cloud platform.

The invention discloses a base station position parameter calibration method and system based on mobile phone signaling data. The method comprises the following steps of calibrating base station position parameters c by using real-time mobile phone signaling data; calculating the most probable actual position information of a base station according to mobile phone real-time signaling data served by a mobile phone user by using the base station, and comparing the most probable actual position information with position information reported by the base station to obtain calibration position information of the base station or supplementary position information of the base station. The system comprises a data access module, a track extraction module, a switching chain extraction module and a base station position information calibration module. According to the invention, the problems of missed base station position parameter information and untimely data updating in application scenarios such as demographic statistics, urban traffic condition analysis, resident travel behavior analysis and the like based on mobile phone signaling data and base station position parameter information canbe solved.

The invention belongs to road technology field. The invention adopts on ground passage and underground passage to separate motor vehicles, passerby and non-motor vehicles to make them on multi-direction rapidly pass through the crossroad next to subway. The invention saves much time of the passerby and vehicles and adopts the method of diplex using the passages to increase the efficiency of the passages. The underground passages are on the same layer, have the approach grade, thus, can be propitious to the safe driving of the vehicles. And the invention cancels traffic lights and traffic police, saves cost.

A public transport system based on urban transport planning and a planning method are provided. The rapid development of social economy and the continuous expansion of urban scale bring great pressureto the urban public transport. However, the chaotic urban public transport will restrict the development of social economy and the urban planning. Therefore, the establishment of a rapid urban publictransport system is of great significance to the social economy and the urban development. The public transport system based on urban transport planning is composed of a master control module (1) anda slave control module (2). The master control module is connected with a GPS module (3), a GSM module (4), a sensor (5), a peripheral circuit (6), a GSM satellite positioning vehicle-borne system (7), a power supply module (8), an alarm module (9), a GPS satellite positioning vehicle-borne system (10) and the slave control module. The public transport system based on urban transport planning andthe planning method are applied to the field of transport planning.

The invention provides an optimized-bus matching multidimensional traffic network. The optimized-bus matching multidimensional traffic network comprises two layers: 1, a matching multidimensional traffic network; and 2, an optimized bus. The matching multidimensional traffic network is divided into an intermediate section, an initial side section and a terminal side section, wherein the intermediate section has a small network distance, and the initial side section and the terminal side section on the two sides have large network distances, so that network roads are matched in supply and demand. Due to optimized buses, urban buses achieve purposes of maximum traffic volume and higher speed, and completely change the current situation that the urban buses are incompatible in supply and demand. According to the optimized-bus matching multidimensional traffic network, the public transport has the advantages of high capacity, fastness, punctuality, convenience in transfer, good accessibility and the like, the characteristics of the public transport are further better than those of the modern urban transport mode utilizing the subway as the axes, and once ordered subversive road and bus generation shift on the human history is achieved; and currently, automobiles can be upgraded, but roads are indispensable. The invention creates advantages for popularization of new-energy automobiles, provides hardware guarantee for intelligent transport, provides technical supports for development of about a half of urban underground area, and achieves global urban sustainable development.

The invention discloses a communication decoupling method for an urban traffic signal control system, which comprises the following steps of: (1) setting the communication link between the traffic signal control system and a signal machine into a communication mode of '' a central system, a central system data gateway, a communication network, a local data gateway and an intersection signal machine''; and (2) based on a protocol of the traffic signal control system, decomposing application layer data and increasing an SID (service ID) data packet to form an SID data packet-based special traffic signal control system network communication protocol, wherein the SID data packet performs unique service coding and packing on the instructions transmitted by the central system and the data uploaded by the signal machine, and the coding position is in front of the application data of the traffic system. The communication decoupling method for the urban traffic signal control system can implement remote control on different intersection traffic signal machines.

The invention, which relates to the technical field of signal traffic lights, discloses a signal traffic light convenient to adjust for urban traffic. The signal traffic light comprises a light post;a guide groove is formed in the left side of the light post; a mounting rod is fixedly mounted at the top of the light post, and a moving rod is slidably connected into the guide groove. A light bodyis fixedly mounted on the left side of the moving rod, two sliding grooves are formed in the front surface of the light body, the interiors of the two sliding grooves are slidably connected with a cleaning brush, and the left side of the cleaning brush communicates with two spray heads. According to the signal traffic light, a miniature water pump in a water storage barrel pumps water in the waterstorage barrel into the cleaning brush communicating with the water pipe, the water is sprayed out through the spray heads to clean the surface of the light body; meanwhile, an electric push rod is matched to push the cleaning brush to move in the sliding grooves to clean the surface of the light body, so that manual cleaning and maintenance are avoided, and the daily maintenance cost is reduced.

The invention relates to a three-dimensional traffic road without passage obstacles, which belongs to the field of urban road and road traffic. The purpose of the invention is to solve the problems that the prior urban traffic is severely jammed, highways with high energy consumption and large capacity cannot run crossingly and change tracks, the speed of the conventional road is low and the safety is poor, the land use is large and the cost is high. The technical proposal denies the traditional principle of the running on double-directional roads in the opposite directions on the same plane, and adopts the principle of the running on two layers of roads in which the upper layer and the lower layer roads are single-directional roads; the upper layer and the lower layer of roads are communicated by four slopes at the four corners at the crossing of the main roads; the running straight up, turning right, turning left, turning around of all lines are completed without interfering with one another with the cooperation of all layers of roads; the roads are freely converted, so as to realize the whole-process smoothness of crossings without stopping, so that the non-motor vehicles and the pedestrians take the own roads. The three-dimensional traffic road has the advantages of eliminating road functional passage obstacles to realize smoothness so that the three-dimensional traffic road has all functions required by modern traffic; safety; great energy saving, emission reduction and land saving; and developing traffic with low cost, at high speed, with large capacity and in high efficiency.