129 results about "Bus rapid transit" patented technology

The invention relates to a rapid and intelligent public transportation three-dimensional monitoring and controlling device and an operating method thereof, which belongs to the technical field of public transportation. The device comprises a monitoring and controlling dispatching center, a vehicle mobile monitoring and controlling terminal and a platform fixed monitoring and controlling terminal, wherein, the vehicle mobile monitoring and controlling terminal and the platform fixed monitoring and controlling terminal are connected with the monitoring and controlling dispatching center through an Internet and a WiMAX network. The method comprises the following steps: the vehicle mobile monitoring and controlling terminal and the platform fixed monitoring and controlling terminal are set, the video information inside the bus, the video information for the platform environment and the passengers on the platform as well as the relevant GPS information are gathered in a real-time manner and transmitted based on the WiMAX network, and the vehicle mobile monitoring and controlling terminal performs the interactive function of intelligent bus stop announcement and scheduling information at the same time. By using the realized three-dimensional monitoring and controlling and dispatching, not only the security of bus running and the intelligence of bus stop announcement can be enhanced, but also the real-time grasping of the control center to the number of the passengers can be improved, and the allocation of the rapid bus vehicles can be performed according to the passenger flow volume, and the scheme and the support method are provided for the automation, the safety running and the management of the rapid bus system.

The invention discloses a quasi-periodic handoff triggering mechanism based on handoff invitation sending. The quasi-periodic handoff triggering mechanism based on handoff invitation sending comprises, according to the mobile line diagram and the moving speed of a mobile terminal as well as the localization information of the base station of a serving cell and the base station of a neighboring cell to structure a cell cluster and to determine the reference time, the basic period and the quasi-period for transmitting handoff invitation; transmitting the handoff invitation to the mobile terminal periodically through every substation in the cell cluster and accordingly triggering handoff. The quasi-periodic handoff triggering mechanism based on handoff invitation sending overcomes the shortcomings of traditional handoff triggering mechanisms based on signal strength receiving and enables handoff triggering to be timely, accurate and reliable, and meanwhile, shortens the executing time for handoff, improves the handoff speed and efficiency and avoids ping-pong handoff, thereby having a broad application prospect in wireless communication environments with relatively fixed mobile lines and relatively high moving speed such as high-speed railways, highways, urban BRT (bus rapid transit) and the like.

The invention discloses a bus rapid transit signal priority timing method under trunk line coordination control. The bus rapid transit signal priority timing method under the trunk line coordination control comprises the following steps that: 1, an annunciator judges whether a bus application is detected by a bus rapid transit vehicle detector, forecasts a moment t1 when a bus rapid transit vehicle reaches a stop line if the bus rapid transit vehicle detector detects the bus application, and otherwise, ends the judgment at the current moment; 2, if the bus rapid transit vehicle detector detects the bus application during phase green light coordination and the bus rapid transit vehicle reaches the stop line at an intersection during the phase green light coordination, the annunciator keepsthe original signal timing constant, and otherwise, performs green light prolonging control; and 3, if the bus rapid transit vehicle detector detects the bus application during phase red light coordination and the bus rapid transit vehicle reaches the stop line at an intersection during the phase green light coordination, the annunciator keeps the original signal timing constant and otherwise, performs green light in-advance turning-on control.

The invention belongs to the technical field of an ITS (intelligent traffic system), in particular to a device and method for controlling speed of a BRT (bus rapid transit) with a bus exclusive lane. The device comprises a vehicle-mounted GPS (global position system) positioning module, an RF (radio frequency) wireless transmission module, a signal period time meter, a vehicle-mounted MCU (micro control unit), a display screen and a voice prompt device; the running speed range of the BRT at green light time regions between two adjacent crossing roads is calculated through the vehicle-mounted MCU by using the device, and a driver is reminded of controlling the speed within a running speed range as so to pass a level crossing intersection smoothly within the green light running time. The green light is on all the way under the condition that the signal lamp cycle period at the crossing road is not interfered and the traveling orders of other vehicles at normal operation are not disrupted, the stand-by time at the crossing roads of the BRT is eliminated, the aim of high speed, large traffic volume and arrival on schedule of the BRT is realized, the running quality and efficiency of the BRT are optimized, the stoppage at an intersection is eliminated, environmental pollution and energy consumption caused by the set-up procedure are reduced.

The invention discloses a quick bus signal priority cooperative control method of primary and secondary crossings, and is applied to a BRT (Bus Rapid Transit) system. The method comprises the steps that a plurality of detectors are arranged at setting positions of primary crossings for predicting the arrival time of buses in advance, the corresponding signal phase lengths of the crossings are adjusted in proportion, and the signal lamps of the crossings are controlled; and simultaneously, for the secondary crossings, the bus stop delay is converted into a space length, and cooperative control is carried out by amending the space distance in a path section and calculating green time difference. The method overcomes the disadvantage that a traditional signal priority control method does not consider crossing cooperation, and the total traffic efficiency of main line can be enabled to be optimal.

The invention discloses a public transit exclusive lane resource sharing method and a resource sharing system for guaranteeing bus rapid transit (BRT) priority. On the premise of guaranteeing the BRT priority, a common transit bus can enter a BRT bus exclusive lane to run according to the following control rules: (1) a control flow that the common transit bus borrows the BRT bus exclusive lane: calculating a distance between the common transit bus on a non-BRT bus exclusive lane and a BRT bus and marking the distance as d according to geographic location information, setting a minimum value as d borrow, when d is more than or equal to d borrow, determining that the common transit bus is allowed to borrow the BRT bus exclusive lane and enabling the common transit bus to freely select whether to enter the exclusive lane or not, otherwise preventing the common transit bus from entering the exclusive lane; and (2) a control flow that the common transit bus returns the lane after borrowing the BRT bus exclusive lane: sending a lane-returning control instruction to the common transit bus in front of the BRT bus when the distance D between the common transit bus and the BRT bus is less than the minimum safe distance d save, and making the common transit bus to pull out from the BRT bus exclusive lane in set time T. The method and the system effectively improve the utilization ratios of bus lanes.

The invention discloses a system and method for enabling a bus rapid transit dispatch to be corrected to seconds at the time of a sudden change of weather or a road condition. When people dispatch a bus rapid transit vehicle, a rapid public traffic vehicle is used for being driven one time in advance at the speed under various weather conditions along a bus rapid transit line, wherein the bus rapid transit vehicle is provided with a vehicle-mounted GPS positioning unit. Position information of the vehicle-mounted GPS positioning unit at every second and at various speeds serves as reference positions in running schedules. In the actual driving process of the bus rapid transit vehicle, a GPS positioning module arranged on the bus rapid transit vehicle is used for obtaining actual position information of the bus rapid transit vehicle at the moment in a real-time mode. The actual position information is directly compared with reference position information. Through simultaneous starting of the running schedules under various weather conditions, the running schedule meeting the speed requirement under the current weather condition can be started within a second when the weather condition changes, and the system and method continue to meet the running dispatch precision which is corrected to seconds.

The invention aims at a bus rapid transit coming road which comprises a straight bus route besides a left-turn line. Meanwhile, an intersection is provided, wherein a bus rapid transit coming right road of the intersection has a medial strip, and the overall width of a motor vehicle lane plus the width of the medial strip is larger than or equal to 25 meters. The invention provides a left-turn bus rapid transit passing-through method, intersection design matched with the method and a signal control method, wherein the left-turn bus rapid transit passing-through method enables left-turn bus rapid transits to turn right and turn around to pass through the intersection according to a special phase indication or to turn left to pass through the intersection by utilizing a straight bus transit lane. According to the technical scheme, average delay time of the left-turn bus rapid transits passing through the intersection is shortened, the left-turn bus rapid transits can pass through the intersection in a signal cycle time period after reaching the intersection, and conflicts between the left-turn bus rapid transits and opposite straight social vehicles can be eliminated.

The invention belongs to the technical field of public transport dispatching and optimization, and especially relates to a BRT (bus rapid transit) combined dispatching method capable of achieving variable bus departure intervals. The method comprises the steps: determining the total number of stops and the total number of bus departure times, and obtaining the driving time of vehicles among stops, passenger flow information, the get-on time of passengers, the get-off time of passengers, and stopping time of vehicles; obtaining the number of get-on and get-off passengers at each stop, so as to determine the type of the stop as a BRT stop or common stop; taking a combination mode and a departure interval as decision variables; building a bus dispatching model, calculating the stop time and the number of get-on and get-off passengers of each vehicle at each stop, solving a target function expression, i.e., calculating the mean waiting time of passengers, the mean on-bus time of passengers, and the mean seating capacity of the vehicles; solving and obtaining a dispatching scheme through employing a particle swarm optimization algorithm, wherein the mean waiting time of passengers and the mean on-bus time of passengers are as short as possible in the scheme, the mean seating capacity of the vehicles are as large as possible in the scheme, and the scheme comprises a departure interval and a departure type.

The invention provides a fast bus stop delay time combination predicting method which is applied to a fast bus BRT system provided with bus lanes. Necessary traffic flow information of BRT buses and social vehicles at the same road section is collected through a traffic information collection device, the information is integrated into a time series, a linear autoregression prediction to a data series is conducted firstly, a nonlinear regression analysis prediction is conducted to the acquired initial residual error through a support vector machine method with optimized parameters through a genetic algorithm, and the two detections are superimposed to acquire the final BRT vehicle stop delay. According to the fast bus stop delay time combination predicting method, on the basis of a fast transit mode, the advanced traffic information collection technology of the BRT system is fully utilized, real-time operation parameters of the complex traffic system are combined closely, the advanced data processing method is utilized, accuracy prediction to the BRT bus stop delay is achieved, and a time basis is provided for the bus priority, so that the whole operation efficiency of the fast bus system is improved.

The invention discloses a bus rapid transit-oriented priority signal control system and a method thereof. The system comprises a central management platform used for remote management and maintenance of the whole system and the real-time monitoring of the bus rapid transit operation; a priority signal controller which is used for receiving arrival information of a bus in the bus rapid transit, outputting a priority signal which is analyzed and processed by corresponding priority algorithms to a signal, and outputting the processed related information to the central management platform; a vehicle identification device which is used for acquiring the arrival information and vehicle ID information of the bus in the bus rapid transit, and outputting the information to the priority signal controller; and the signal which is used for responding to a request of the priority signal according to the currently operating phase to cause the bus in the rapid transit to rapidly pass through a road junction. The system and the method have the beneficial effects of strong management, control and statistical capability, can improve the efficiency of processing the bus priority signal, and ensure punctuality of the bus rapid transit.

A fast public transit system with zero transfer is prepared as setting public transit stations at junction of two roads, setting junction to be two layer roads of top road and bottom road, stopping public transit bus at stations located at top road and bottom road and setting foot- bridge or escalator between stations on top road and bottom road for making zero transfer of passenger.

The invention discloses a bus chassis articulated system for a urban bus rapid transit system and a working method thereof. The bus chassis articulated system consists of a turntable device, a hydraulic system and a system control unit ECU, wherein the turntable device comprises a turntable connected between a front turntable frame and a rear turntable frame; the central position of the turntable is movably connected with a mandril positioned in a vertical center line of the turntable; the upper free end of the mandril is connected with an articulated angle sensor; the hydraulic system comprises a left hydraulic cylinder, a right hydraulic cylinder, a hydraulic integrated block, a hydraulic pump and an oil tank which are arranged on the rear turntable frame and rotate together with the rear turntable frame; hydraulic arms of the left and right hydraulic cylinders are respectively sleeved with a cylindrical helical compression spring; front and rear cavities of the left and right hydraulic cylinders are in crossed connection and oil ways are communicated through the hydraulic integrated block; and the system control unit ECU comprises a microprocessor CPU. The bus chassis articulated system provides a larger torque during large-angle turning, realizes the self-locking function on the maximum articulated angle, and prevents a second axle from laterally sliding and front and rear bus bodies from shearing.

The invention relates to a tramcar highway crossing signal priority control method based on concentrated differential GPS positioning. The method includes the steps that a differential correction value is obtained through calculation by means of accurate position coordinates of a GPS reference station and actual GPS positioning information; differential correction is carried out on GPS positioning information of each tramcar, so that operation data of each tramcar are obtained; a city traffic signal control system carries out highway crossing signal priority control according to the operation data of the tramcars. According to the method, investment of grade crossing tramcar detection equipment can be saved, positioning precision of the tramcars is improved, and intelligent control of tramcar grade crossing signal lamps is achieved. The method can be smoothly integrated with the new-generation city traffic signal control system, and tramcar highway crossing signal priory control is achieved; the method is high in universality and suitable for the public traffic system of any bus rapid transit mode, concentrated differential GPS technique upgrading can be carried out on the tramcars with a common GPS positioning function, and positioning precision is improved.

The invention discloses a suspension single-track rapid public traffic system for realizing safe and reliable turnout reversing. The suspension single-track rapid public traffic system comprises a track, a pulley mechanism and a trolley, wherein the pulley mechanism slides on the track; the trolley is suspended below the track; the track comprises a lower track; a section of upper track is arranged above a track which is required to be branched; a lower track below an upper track at an entrance is provided with a lower slope section; the exit of the upper track is provided with a lower slope section; the pulley mechanism comprises a lower pulley, a lower pulley installation seat, an upper pulley, an upper pulley installation seat and an elevating support mechanism; during turnout separation, the elevating support mechanism is used for lifting the upper pulley installation seat, and the upper pulley slides on the upper track and is separated from the lower track; and during turnout combination, the upper pulley slides down through the lower slope section at the exit of the upper track, and the lower pulley is contacted with the lower track and slides on the lower track. The suspension single-track rapid public traffic system for realizing safe and reliable turnout reversing disclosed by the invention has the advantages of low construction cost, neat track network, accurate turnout separation, working reliability and the like.

The invention discloses a system and method for improving bus rapid transit dispatch precision and belongs to the field of intelligent transportation applied technologies. A bus rapid transit vehicle is used for driving one time in advance according to a bus rapid transit line, wherein the bus rapid transit vehicle is provided with a vehicle-mounted GPS positioning unit and a vehicle-mounted mileage counting unit. Position information determined by the vehicle-mounted GPS positioning unit and the vehicle-mounted mileage counting unit at every second serves as reference positions, and in the process of driving, the position information detected by the direct adoption of a GPS positioning sub-module serves as actual position information of the vehicle. When the vehicle is driven under a tunnel, a flyover and the like, a GPS signal is sheltered and position data can not be output, the system determines the current position of the vehicle through the mileage counting sub-module, so that bus rapid transit is corrected to seconds per second, and the situation that issued arrival information is corrected to seconds is further guaranteed.

The invention aims to provide a bus rapid transit system with high operating efficiency and carrying capacity. The system comprises vehicles, stations and roads, wherein the vehicles are modified common buses and double-body buses with ultrahigh passenger capacity; the stations are waiting stations in which station dispatching rooms are arranged; the roads are novel bus lanes and passenger boarding-disembarking passages; and an isolation belt is arranged in the middle of a two-way road, lanes on the two sides of the isolation belt are set as bus rapid transit lanes, the isolation belt opposite to the station is set as a boarding platform or a disembarking platform which is connected with the two sides of a crossing passage (underpass or overpass) through a boarding passage or a disembarking passage respectively, so that passengers are shunted through the boarding platform or the disembarking platform and get in and out of the carriage of the bus in one direction.

The invention discloses a bus rapid transit arrival information release system and method accurate to the second, and belongs to the technical field of intelligent transportation application. When bus rapid transit is dispatched, a bus rapid transit vehicle provided with a vehicle-mounted GPS positioning unit and a vehicle-mounted mileage counting unit is used for driving once in advance according to a bus rapid transit line, information determined every second by the vehicle-mounted GPS positioning unit and the vehicle-mounted mileage counting unit serves as reference, a current actual position of the vehicle is directly determined in an actual running process, under the conditions that the vehicle travels to a tunnel, below an overpass and the like, GPS signals are shielded, and position data can not be output, the system determines the current position of the vehicle according to traveling mileages read by a mileage counting submodule, and accuracy of bus rapid transit vehicle dispatching is greatly improved. An electronic information display unit on a platform displays the traveling position of the bus rapid transit vehicle and simultaneously displays arrival remaining time of a latest bus rapid transit vehicle, and the remaining time can be accurate to the second.

The invention provides an emulsified asphalt thin paste mixture penetration type asphalt pavement construction technology which can achieve an effect that tracks cannot be generated on an asphalt pavement prepared by the technology. The construction technology comprises the steps of adhering gravels playing a main supporting role to a lower bearing layer according to a layer spreading method, penetrating a stirred emulsified asphalt thin paste mixture into clearances among the gravels, performing preservation I, preservation II and preservation III, and rolling to form the asphalt pavement. During implementation of the construction technology, all sets of equipment are a small amount of conventional mechanical equipment which are small in size and simple; the construction technology is simple, easy to master, low in consumption, environment-friendly, healthy and safe; the construction technology disclosed by the invention can be used for maintaining new constructed pavements and constructed pavements, and the asphalt pavement can be also used as a protection layer, an abrasion layer and an antiskid layer and used for paving a bridge surface, beautifying the environment or avoiding noise and the like; the construction technology can be used for filling the tracks and is particularly suitable for climbing roads on expressways, exclusive BRT (bus rapid transit) roads and guide roads and positions, at which deeper tracks are generated, on the middle layer or the lower layer of a multi-layer asphalt pavement.

The Flow Boulevard concepts provide a system of transportation improvement for urban and suburban existing development and or new development. The system provides the optimization of vehicular capacity and level of service for at grade interrupted flow facilities without the widening of streets. The system is comprised of single and couplet street configurations that allow corridors and networks to be developed that have vehicles flowing without stopping throughout the corridor or network. Benefit of true bus rapid transit is attained by removing the necessity to stop at signals and with only stopping for boarding and alighting of bus riders. Consolidation of population increases in low density settings by introducing medium density corridors can dramatically reduce vehicular miles traveled in suburban locations to conserve resources and reduce greenhouse gases. The system of improvement is both inexpensive by using existing streets and has little impact on existing development by not widening streets.

The invention discloses an autonomous sectional type quick bus signal priority control method. The method comprises the following step of through the real-time response of the change of the traveling requirement of bus passengers, autonomously correcting a quick bus signal grouping and priority control scheme, so as to realize the quick bus signal priority control. The method has the advantages that for the running features of a quick bus system, the influence of multiple external factors on the bus signal priority control is fully considered, the priority of the crossed signal of a quick bus is realized in a sectional way through the real-time sensing of the quick bus running states and the autonomous adjustment of a cross signal control scheme, the running efficiency of the quick bus and the traveling efficiency of the passengers are improved, and the unnecessary bus stop and the signal lamp time loss are reduced.

The invention relates to a screen-signal-system-based vehicle lane borrowing and returning realizing method for a bus-rapid-transit (BRT) dedicated lane. The method comprises: step one, an SSL is usedfor issuing vehicle lane borrowing and returning information; step two, BRT vehicle position information is collected through a vehicle infrastructure integration (VII) unit and the vehicle lane borrowing and returning information is sent to a screen signal lamp; step three, when a BRT is driven on the dedicated lane and approaches a lane borrowing region, a screen signal lamp corresponding to the lane borrowing region displays that vehicles that are driven on the borrowed lane in the dedicated lane region are forbidden to run on the lane, vehicles driven on the lane adjacent to the dedicatedlane pay attention to the vehicles returning to the lane, and drivers of the vehicles borrowing the dedicated lane are instructed to perform the lane returning operation in a lane returning region; and step five, after end of the lane returning, the step two is carried out again, the drivers determine whether the lane can be borrowed again based on the new instruction of the screen signal lamp.

The invention discloses an on-street bus rapid transit with efficient transfer. The bus rapid transit comprises a bi-directional bus lane, a road medial strip, bus stops and an underground passage entrance and exit. The bi-directional bus lane is arranged in the middle of the road medial strip and at the same side of the road medial strip; the bus stops are arranged at two sides of the underground passage entrance and exit; and the bus stops and the underground passage entrance and exit are arranged in the middle of the bi-directional bus lane. By adopting the bus rapid transit, the road medial strip is reasonably utilized, the bilateral bus stop of a single bus stop is realized, the problem of overly occupying social vehicle road resource caused by the traditional bus rapid transit is solved and the transfer efficiency is improved. By virtue of the communication of the underground passage entrance and exit and sidewalks, the interference of pedestrians to road buses and social vehicles is lessened and the safety of crossing streets of pedestrians is ensured.

The present invention provides a less-stopping, zero-transferring and conveniently-riding rapid public transport system, belonging to the urban road traffic field. It is characterized by that every bus stop platform can be set on the separating strip of motor-vehicle lane and is set in the position where the bus can be stopped to wait traffic lights at crossroads, between two bus stop platforms which are respectively belonged to two mutually-crossed motor-vehicle lanes an overhead slow lane and stairs are set, said overhead slow lane can be extended into the residential district or nearby region of object building group, and on the slow lane the sunshading and rain-proofing awning can be mounted.

The invention discloses a forecasting method of the traffic capacity of a bus rapid transit system. The forecasting method comprises the following steps of: (1) calculating the traffic capacity of the bus rapid transit system according to a formula; (2) comparing the calculated value of the traffic capacity of the bus rapid transit system with an expected value to obtain a difference value; (3) adjusting parameters in the formula according to the difference value; (4) calculating the traffic capacity of the bus rapid transit system after the adjustment; and (5) correspondingly formulating a measure for improving the traffic capacity of the bus rapid transit system according to the calculated traffic capacity of the bus rapid transit system and various parameter set values during calculating the traffic capacity of the bus rapid transit system. According to the method disclosed by the invention, the traffic capacity of the bus rapid transit system can be accurately and quickly forecasted, and various factors influencing the traffic capacity of the bus rapid transit system are accurately and quantitatively determined so as to be used as an important reference for perfecting the planning and the design of the bus rapid transit system and optimizing and promoting the operation efficiency of the bus rapid transit system.

The invention discloses a prior control method for a bus rapid transit signal during traffic peak duration. By comprehensively considering prior traffic requirements of bus rapid transit vehicles and basic traffic constraints of non-prior motor vehicles, non-automatic vehicles and pedestrians, the prior traffic of the bus rapid transit vehicles is realized on the basis of guaranteeing normal operation of intersections. The specific method comprises the steps of firstly, collecting basic data including rapid bus route information, intersection traffic flow and flow direction information, intersection canal design and signal timing plans and the like; secondly, constructing a non-prior phase minimum green light requirement time and signal prior control model; and finally, according to the time of reaching the intersections of a bus rapid transit, calculating real-time green light time of each phase and generating a bus rapid transit signal prior control scheme. The method is simple and practical, great in stability and wide in application range and can be widely applied to engineering practice.

The invention discloses a novel bullet train pure electric BRT (Bus Rapid Transit) road train structure which consists of a guide train head (1) and one or more groups of power carriage assemblies (2), wherein each group of power carriage assembly (2) consists of two sections of single carriages; the guide train head (1) is of a double-axle structure; each group of power carriage assembly (2) is provided with two axles; the two axles are respectively arranged at the centers of the two sections of single carriages; a front axle (4) of the guide train head is a steering axle; a rear axle (5) of the guide train head is a driving axle; at least one axle of the two axles of each group of power carriage assembly (2) is the driving axle; the guide train head (1) and the power carriage assemblies (2) are connected by single ordinary traction hinge plates (9); every two adjacent groups of power carriage assemblies (2) are connected by the single ordinary traction hinge plates (9); the middles of all the groups of power carriage assemblies (2) are connected by upper hinge plates (10) and lower hinge plates (11); the power carriage assembly structure is in central symmetry and can drive in two ways; the length of the structure can be adjusted according to the demand of different traffic amount; the width of a turning channel circle is greatly reduced; in addition, during turning, the traveling tracks of wheels are consistent.

The invention discloses a BRT rapid public transportation system gate safety passage management system and a method. The system comprises fee charging area outbound gates and non-fee charging area inbound gates. Output of a passenger outbound monitoring unit is connected with a signal processing module. The outputs of the signal processing module and a card reader are respectively connected with a master control unit. The output of the master control unit is respectively connected with a displayer, an alarm device, an indicating lamp and a door driving unit. The master control unit is also connected with a fee charging module, a timer and a single ticket recycling module respectively. The output of a passenger inbound monitoring unit is connected with the signal processing module. The outputs of the signal processing module and a ticket card reading module are respectively connected with the master control unit. The output of the master control unit is respectively connected with the displayer, the alarm device, the indicating lamp and the door driving module. Various passage behaviors and states of passengers can be detected and identified so that the behaviors of intrusion, following, retrograding and staying of the passengers in gate channels can be effectively avoided and identified.