CN108470455A - A kind of priority system and control method - Google Patents

A kind of priority system and control method Download PDF

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Publication number
CN108470455A
CN108470455A CN201810237678.XA CN201810237678A CN108470455A CN 108470455 A CN108470455 A CN 108470455A CN 201810237678 A CN201810237678 A CN 201810237678A CN 108470455 A CN108470455 A CN 108470455A
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China
Prior art keywords
bus
priority
buses
roads
signal lamp
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Granted
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CN201810237678.XA
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Chinese (zh)
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CN108470455B (en
Inventor
冯绍军
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Location Network (zhejiang) Co Ltd
Qianxun Spatial Intelligence Inc
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Location Network (zhejiang) Co Ltd
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Priority to CN201810237678.XA priority Critical patent/CN108470455B/en
Publication of CN108470455A publication Critical patent/CN108470455A/en
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Publication of CN108470455B publication Critical patent/CN108470455B/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/07Controlling traffic signals
    • G08G1/087Override of traffic control, e.g. by signal transmitted by an emergency vehicle

Abstract

The present invention provides a kind of priority system and control methods, signal lamp high in the clouds controller is mounted on signal lamp, signal lamp is controlled, high-accuracy position system is mounted on bus, the running route figure and timetable for the bus that high precision position for obtaining bus, public transport operation route and timetable database purchase public transport company have planned in advance.Signal lamp high in the clouds controller, high-accuracy position system, public transport operation route and timetable database are networked to high in the clouds, priority system obtains the state of all signal lamps by high in the clouds, the running route figure and timetable of the high precision position of all buses, all buses, and instruction is sent out to controller by high in the clouds public traffic in priority algorithm, real-time control is carried out to signal lamp, realize bus running on time.The present invention encourages the riding bus of citizen, weakens the demand gone on a journey to private car, slows down urban road congestion, reduces urban air pollution.

Description

A kind of priority system and control method
Technical field
The present invention relates to urban traffic control technical fields, and in particular to a kind of priority system and control method.
Background technology
Urban public transport is very big to the influence on development of city political economy, culture and education, science and technology etc., is hundred An essential part in surname daily life is an importance of City's Construction And Development.But with the small vapour of household The growth of the quantity of vehicle causes urban traffic congestion, bus to be unable to running on time, and vicious circle causes road traffic accident to increase Mostly it is on the rise with pollutions such as urban air, noises.Ensure bus running on time, encourages citizen to be mostly used public transport and use private savings less Vehicle is to solve one of the important means of worsening urban traffic blocking and air pollution.
The present invention uses technological means, and all traffic lights in city and bus information are connected to one on the net, realized to institute There are real-time precise position information (track grade), the route of each bus and the schedule information of bus and each traffic lights The progress of status information acquires in real time, by cloud computing to being controlled with late bus institute's vehicle line traffic lights earlier System, it is ensured that bus each bus stop neither evening to also it is late walk.
The technical solution of public traffic in priority has following several at present:
Bus priority control system (number of patent application is formed by mobile unit and intersection equipment: 201410766510.X), mobile unit includes GPS, on-vehicle host and OBU, and GPS connection on-vehicle hosts, on-vehicle host and OBU are logical Letter, OBU are used to obtain information of vehicles in on-vehicle host, and intersection equipment includes RSU and priority requisition access device, RSU with OBU is communicated and for being obtained the information of vehicles in OBU, and RSU is additionally operable to information of vehicles being sent in priority requisition access device, Priority requisition access device is used to send out priority acccess control signal according to the information of vehicles received, and connection signal controller simultaneously will Priority acccess control signal is sent in signal controller, signal controller connection signal lamp and according to the display of priority acccess control signal lamp State.
The active electronic label (RFID) that orientation reader and public transit vehicle installation are installed by crossing forms (patent application Number:201310605961.0), when public transit vehicle is close to crossing, orientation reader is mutually echoed with the active electronic label on vehicle, And interacted with the traffic signal control system of traffic control center, the traffic lights by controlling crossing change, and carry out public transport Priority pass controls.
Bus priority control system is made of (specially signal control module, semaphore monitoring modular and public transport monitoring modular Sharp application number:201410821106.8).Signal control module is received and is analyzed from signal lamp monitoring modular, semaphore respectively The monitoring data of monitoring modular and public transport monitoring modular, signal control module judge whether public transit vehicle, signal lamp successively Whether whether consistent, beacon signal is all-clear to signal with semaphore signal.Signal control module adjusts signal lamp in due course Signal, it is preferential to ensure that public transit vehicle is let pass.
Public traffic in priority based on position and bus running timetable, London bus system are set using by vehicle-mounted Standby, crossing traffic lamp apparatus and bus running timetable form priority system scheme, the mobile unit with public traffic in priority Mainly by the radio communications system and operation data library (map, circuit, timetable of GPS positioning system and traffic lights contact Deng) composition, bus haves no right to send out override requests on schedule, and late bus is in the ability in next traffic lights certain distance Send out override requests.Crossing traffic lamp apparatus is made of communication device and control device, when not receiving public traffic in priority request, The switching of traffic lights is controlled by preset program.It, will be according to requested signal lamp after traffic lamp apparatus receives public traffic in priority request Current state determines to extend green time or red light is switched to green light, while ensureing that the signal lamp in other directions links with true Protect traffic safety.
The shortcomings that prior art, is as follows:
(1) other than the priority system of London, the way of other public traffic in priority is blindness, because of not every public affairs Vehicle is handed over to be required for preferentially at all crossings, the final purpose of public traffic in priority is to ensure bus running on time, is improved service quality, It allows passenger that can map out stroke, rather than bus is allowed to arrive in advance.
(2) current priority system is the interaction between bus and junction ahead traffic lights, cannot achieve single channel The mouth optimization of different directions public traffic in priority and the optimization of Multiple Intersections.When the multiple public transport of equidirectional or different directions occurs in some crossing When vehicle asks preferential simultaneously, current method is in a kind of disordered state, cannot be according to all late buses near crossing Quantity, late degree carry out decision optimization.Decision optimization can not be carried out according to the state of each bus follow-up crossing.Such as The serious traffic congestion of bus A subsequent sections, and another bus B subsequent sections are unimpeded, it is clear that priority pass is B rather than A.
(3) traffic lights at many crossings be divided lane control (such as:Left lateral road, left lateral and straight trip shared track, straight trip Road, straight trip right lateral shared track, right track), current priority system can not accomplish the traffic grade of track grade.
Invention content
The present invention provides a kind of priority system and control methods, are thrown the net using traffic lights and bus one, Entire city or region track grade traffic lights are realized in the interaction for realizing bus high-precision location technique and high in the clouds control traffic lights The global optimization of control, it is ensured that all bus running on time.
Based on this, the technical solution adopted by the present invention is as follows:
A kind of priority system, including:
Signal lamp high in the clouds controller:On signal lamp, signal lamp is controlled;
High-accuracy position system:On bus, the high precision position of bus is obtained in real time;
Public transport operation route and timetable database:The running route figure for the bus that storage public transport company has planned in advance And timetable;
Signal lamp high in the clouds controller, high-accuracy position system, public transport operation route and timetable database are networked to high in the clouds, Priority system obtains the state of all signal lamps by high in the clouds, the high precision position of all buses, all buses Running route figure and timetable, and by high in the clouds public traffic in priority algorithm to signal lamp high in the clouds controller send out instruction to signal lamp into Row real-time control realizes bus running on time.
Further, the high precision position refers to the geographical location that positioning accuracy reaches Centimeter Level.
Further, the high-accuracy position system determines bus by receiving navigation signal and control information Position, obtains the high precision position of bus.
Further, the navigation signal includes GPS and Big Dipper pseudorange and carrier phase observed quantity.
Further, such as fruit part road closed, the running route figure and timetable of bus are adjusted in real time, and in public transport Real-time update is carried out in running route and timetable database.
Further, high in the clouds controls signal lamp according to updated bus running route map and timetable, real Existing bus running on time.
A kind of priority system control method, includes the following steps:
Signal lamp high in the clouds controller is mounted on signal lamp, is controlled signal lamp;
High-accuracy position system is mounted on bus, obtains the high precision position of bus;
The running route figure for the bus that public transport operation route and timetable database purchase public transport company have planned in advance And timetable;
Signal lamp high in the clouds controller, high-accuracy position system, public transport operation route and timetable database are networked to high in the clouds, Priority system obtains the state of all signal lamps, the high precision position and direction of advance of all buses, institute by high in the clouds There are the running route figure and timetable of bus, and instruction is sent out to letter to traffic controller by high in the clouds public traffic in priority algorithm Signal lamp is controlled, and realizes bus running on time.
Further, the high in the clouds public traffic in priority algorithm is:
Priority system determines the running route figure and timetable of each bus, obtains the state of each signal lamp;
Judge bus whether running on time, if so, continue to determine the exact position of each bus, running route figure and Timetable;If not, obtaining the state of the next signal lamp of late bus traveling;
Judge whether crossing has bus override requests conflict, if so, bus passage priority is determined, to priority height Bus control belisha beacon successively and give bus priority pass, it is extensive that belisha beacon is controlled after the completion of priority acccess control It is multiple normal;If not, control belisha beacon gives bus priority pass, belisha beacon is controlled after bus is by crossing Restore normal.
Further, conflict if the roads A n buses have with the roads B m bus crossing priorities passage, determine bus Current priority specifically includes:
● judge whether the late time of the roads A n buses is more than the late time of the roads B m buses;If so, the roads A n Number bus priority is high;If not, the roads B m buses priority is high;Or
● obtain the running route figure that A roads n buses are planned in advance, determine next signal lamp whether traffic congestion, such as No, the roads A n buses priority is high;If so, the roads B m buses priority is high;Or
● obtain the running route figure that B roads m buses are planned in advance, determine next signal lamp whether traffic congestion, such as No, the roads B m buses priority is high;If so, the roads A n buses priority is high.
Further, there are override requests to conflict if the roads A n buses pass through with the roads B m buses crossing, determine public Vehicle passage priority is handed over to specifically include following steps:
Step 1, judge whether the late time of the roads A n buses is more than the late time of the roads B m buses, if so, Execute step 2;If not, executing step 3;
Step 2, the running route figure that the roads A n buses are planned in advance is obtained, determines whether next signal lamp is filled in Vehicle, if not, the roads A n buses priority is high;If so, the roads B m buses priority is high;
Step 3, the running route figure that the roads B m buses are planned in advance is obtained, determines whether next signal lamp is filled in Vehicle, if not, the roads B m buses priority is high;If so, the roads A n buses priority is high.
Further, the control belisha beacon gives bus priority pass and specifically includes following steps:
Obtain the high precision position of bus;
Track where determining bus;
Lane signal lamp where controlling bus.
The present invention uses high accuracy positioning, cloud computing and Internet technology, cooperate with the interaction of bus and traffic lights with it is excellent Change, realize city bus running on time, encourage the riding bus of citizen, weaken the demand gone on a journey to private car, reduces city Air pollution.The advantageous effects that the present invention can reach are as follows:
(1) exact position of all buses is obtained in real time;
(2) state of all signal lamps is obtained in real time;
(3) switching of all signal lamps of real-time control;
(4) according to all bus routes figures and Operational Timelines, by according to bus running state (position, whether On schedule) into runway grade traffic grade, city scope public transport operation global optimization is realized, ensure bus by scheduled circuit just Point operation;
(5) (such as road is surprisingly closed) under case of emergency, public bus network and timetable will can be in real time adjusted by prediction scheme, And real-time release is to passenger.
Description of the drawings
Fig. 1 is priority system Organization Chart of the present invention;
Fig. 2 is public traffic in priority algorithm flow chart in high in the clouds of the present invention;
Fig. 3 is that priority of the present invention determines method flow diagram;
Fig. 4 be the present invention give bus it is preferential when Signalized control flow chart.
Specific implementation mode
The present invention uses technological means, and all traffic lights in city and bus information are connected to one on the net, realized to institute There are real-time precise position information (track grade), the route of each bus and the schedule information of bus and each traffic lights The progress of status information acquires in real time, by cloud computing to being controlled with late bus institute's vehicle line traffic lights earlier System, it is ensured that bus each bus stop neither evening to also it is late walk.
Hereinafter, the present invention is further elaborated in conjunction with the accompanying drawings and embodiments.Priority system of the present invention refer to for Ensure bus on schedule, adopts various measures with location ensure friendship of the bus prior to other vehicle pass-throughs in due course Logical management system.Fig. 1 is priority system Organization Chart of the present invention, is based on cloud control signal lamp and high precision position temporal information, It is constituted including following four part:
(1) signal lamp high in the clouds controller
Signal lamp high in the clouds controller is mounted on signal lamp (traffic lights), and signal lamp high in the clouds controller is general using Internet of Things It reads and existing traffic light controller is networked to high in the clouds, increase high in the clouds control function and degenerated to original if network is problematic Control model.
(2) high-accuracy position system
High-accuracy position system be mounted on bus on, high-accuracy position system can receive satellite navigation system GPS and Big Dipper pseudorange and carrier phase observed quantity carry out the ability of centimeter-level positioning with single-point standard setting and using enhancement information.
(3) public transport operation circuit and timetable database
Public transport operation circuit and timetable database purchase bus running line map and timetable, bus running line Road figure and timetable planned in advance by public transport company, for example, No. 10 buses from the first bus to last bus in each public transport Station arrives and departs from timetable, and each bus operated on 10 routes will be real-time by information when leaving starting point It is stored in database, therefore each bus travelled on 10 routes has the time for being destined to and leaving each station Table.If fruit part road is closed according to schedule, circuit will be changed and be updated in the database.As fruit part road is closed as interim Close, part on the way travel bus needs change its course temporarily, such case lower part bus will need special circuit with Timetable, these are needed by public transport company dispatcher in time in the database according to prediction scheme real-time update.Bus driver With high in the clouds algorithm all on the basis of the information of database, bus driver drives according to emergent route, and emergent route is pressed in high in the clouds Optimize the control to traffic lights with new timetable, realizes bus running on time.
(4) high in the clouds public traffic in priority algorithm
High in the clouds public traffic in priority algorithm obtains the running route figure of all buses as shown in Fig. 2, priority system startup With the state of timetable, the high precision position of all buses and direction of advance, each signal lamp.
Priority system determines the running route figure and timetable of each bus, judges whether bus is transported on schedule Row, if so, continuing to determine exact position, running route figure and the timetable of each bus;If not, obtaining late public transport garage The state for the next signal lamp sailed.
Judge whether crossing has bus override requests conflict, if so, bus passage priority is determined, to priority height Bus control belisha beacon successively and give bus priority pass, it is extensive that belisha beacon is controlled after the completion of priority acccess control It is multiple normal;If not, control belisha beacon gives bus priority pass, belisha beacon is controlled after bus is by crossing Restore normal.
Conflict if the roads A n buses have with the roads B m bus crossing priorities passage, it is true that following method may be used Determine bus passage priority, specifically includes:
● judge whether the late time of the roads A n buses is more than the late time of the roads B m buses;If so, the roads A n Number bus priority is high;If not, the roads B m buses priority is high;Or
● obtain the running route figure that A roads n buses are planned in advance, determine next signal lamp whether traffic congestion, such as No, the roads A n buses priority is high;If so, the roads B m buses priority is high;Or
● obtain the running route figure that B roads m buses are planned in advance, determine next signal lamp whether traffic congestion, such as No, the roads B m buses priority is high;If so, the roads A n buses priority is high.
Conflict if the roads A n buses pass through to have with the roads B m buses crossing, it is thus necessary to determine that bus passes through preferential Grade, Fig. 3 is that a kind of priority provided in this embodiment determines method, as shown in figure 3, including the following steps:
Step 1, judge whether the late time of the roads A n buses is more than the late time of the roads B m buses, if so, Execute step 2;If not, executing step 3;
Step 2, the running route figure that the roads A n buses are planned in advance is obtained, determines whether next signal lamp is filled in Vehicle, if not, the roads A n buses priority is high;If so, the roads B m buses priority is high;
Step 3, the running route figure that the roads B m buses are planned in advance is obtained, determines whether next signal lamp is filled in Vehicle, if not, the roads B m buses priority is high;If so, the roads A n buses priority is high.
Fig. 4 be give the roads A n buses it is preferential when Signalized control embodiment, specifically include following steps:
Obtain the high precision position of the roads A n bus buses;
Track where determining the roads A n buses bus;
Lane signal lamp where controlling the roads A n buses bus.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any ability Field technique personnel without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this Inventive technique scheme makes possible variation and modification, therefore, every content without departing from technical solution of the present invention, according to this hair Bright technical spirit belongs to the technology of the present invention side to any simple modifications, equivalents, and modifications made by above example The protection domain of case.

Claims (10)

1. a kind of priority system, which is characterized in that including:
Signal lamp high in the clouds controller:On signal lamp, signal lamp is controlled;
High-accuracy position system:On bus, the high precision position of bus is obtained;
Public transport operation route and timetable database:The running route figure of bus that storage public transport company has planned in advance and when Between table;
Signal lamp high in the clouds controller, high-accuracy position system, public transport operation route and timetable database are networked to high in the clouds, public transport Priority system obtains the state of all signal lamps, the operation of the high precision position of all buses, all buses by high in the clouds Route map and timetable, and signal lamp is controlled by high in the clouds public traffic in priority algorithm, realize bus running on time.
2. a kind of priority system as described in claim 1, which is characterized in that the high precision position refers to positioning accuracy Reach the geographical location of Centimeter Level.
3. a kind of priority system as described in claim 1, which is characterized in that the high-accuracy position system passes through reception Navigation signal and control information position bus, obtain the high precision position of bus.
4. a kind of priority system as described in claim 1, which is characterized in that the navigation signal includes GPS and the Big Dipper Pseudorange and carrier phase observed quantity.
5. a kind of priority system as described in claim 1, which is characterized in that such as fruit part road closed, adjust in real time The running route figure and timetable of bus, and carry out real-time update in public transport operation route and timetable database.
6. a kind of priority system as claimed in claim 5, which is characterized in that transported according to the bus of real-time update in high in the clouds Walking along the street line chart and timetable control signal lamp, realize bus running on time.
7. a kind of priority system control method, which is characterized in that include the following steps:
Signal lamp high in the clouds controller is mounted on signal lamp, is controlled signal lamp;
High-accuracy position system is mounted on bus, obtains the high precision position of bus;
The running route figure of the bus that public transport operation route and timetable database purchase public transport company have planned in advance and when Between table;
Signal lamp high in the clouds controller, high-accuracy position system, public transport operation route and timetable database are networked to high in the clouds, public transport Priority system obtains the state of all signal lamps, high precision position and direction of advance, the Suo Yougong of all buses by high in the clouds The running route figure and timetable of vehicle are handed over, and instruction is sent out to letter to signal lamp high in the clouds controller by high in the clouds public traffic in priority algorithm Signal lamp carries out real-time control, realizes bus running on time.
8. a kind of priority system control method as claimed in claim 7, which is characterized in that the high in the clouds public traffic in priority is calculated Method is:
Priority system determines the exact position of each bus, running route figure and timetable, obtains each signal in real time The state of lamp;
Judge bus whether running on time, if so, continuing to determine exact position, running route figure and the time of each bus Table;If not, obtaining the state of the next signal lamp of late bus traveling;
Judge whether crossing has bus request collision, if so, determining bus passage priority, the bus high to priority Control belisha beacon gives bus priority pass successively, and belisha beacon is controlled after the completion of priority acccess control and restores normal; If not, control belisha beacon gives bus priority pass, belisha beacon is controlled after bus is by crossing and is restored just Often.
9. a kind of priority system control method as claimed in claim 8, which is characterized in that if the roads A n buses with The roads B m bus crossing priorities passage has conflict, determines that bus passage priority specifically includes:
Judge whether the late time of the roads A n buses is more than the late time of the roads B m buses;If so, the n public transport of the roads A Vehicle priority is high;If not, the roads B m buses priority is high;Or
Obtain the running route figure that A roads n buses are planned in advance, determine next signal lamp whether traffic congestion, if not, the roads A n Number bus priority is high;If so, the roads B m buses priority is high;Or
Obtain the running route figure that B roads m buses are planned in advance, determine next signal lamp whether traffic congestion, if not, the roads B m Number bus priority is high;If so, the roads A n buses priority is high;Or.
Step 1, judge whether the late time of the roads A n buses is more than the late time of the roads B m buses, if so, executing Step 2;If not, executing step 3;
Step 2, obtain the running route figure that A roads n buses are planned in advance, determine next signal lamp whether traffic congestion, such as No, the roads A n buses priority is high;If so, the roads B m buses priority is high;
Step 3, obtain the running route figure that B roads m buses are planned in advance, determine next signal lamp whether traffic congestion, such as No, the roads B m buses priority is high;If so, the roads A n buses priority is high.
10. a kind of priority system control method as claimed in claim 8, which is characterized in that the control crossing signals Lamp gives bus priority pass and specifically includes following steps:
Obtain the high precision position of bus;
Track where determining bus;
Lane signal lamp where controlling bus.
CN201810237678.XA 2018-03-21 2018-03-21 Bus priority system and control method Active CN108470455B (en)

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CN110055843A (en) * 2019-05-31 2019-07-26 刘建峰 A kind of accessible public transport roadnet
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