CN104008655B - Tramcar grade crossing signal method for controlling priority based on centralization differential GPS location - Google Patents
Tramcar grade crossing signal method for controlling priority based on centralization differential GPS location Download PDFInfo
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- CN104008655B CN104008655B CN201410241438.9A CN201410241438A CN104008655B CN 104008655 B CN104008655 B CN 104008655B CN 201410241438 A CN201410241438 A CN 201410241438A CN 104008655 B CN104008655 B CN 104008655B
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Abstract
The tramcar grade crossing signal method for controlling priority based on centralization differential GPS location that the present invention relates to, including: accurate position coordinates and its actual GPS location information with GPS reference station calculate and obtain differential corrections；The GPS of each row electric car is positioned information and carries out differential correcting, it is thus achieved that electric car service data；Urban traffic signal control system implements grade crossing signal priority acccess control according to electric car service data.The present invention can save level crossing tramcar detection equipment investment, improves the precision of tramcar location, it is achieved the intelligentized control method of tramcar level crossing signal lights；New generation of city traffic signal control system can be incorporated smoothly, it is achieved tramcar grade crossing signal priority acccess control；Highly versatile, it is adaptable to the public transit systems of any bus rapid transit form, and the train that general GPS is positioned can be used to carry out centralization differential GPS technology upgrading, improve positioning precision.
Description
Technical field
The present invention relates to a kind of tramcar grade crossing signal priority acccess control side based on centralization differential GPS location
Method, it is adaptable to urban track traffic runs and controls.
Background technology
In modern tram operation control system, it is to realize now that level crossing signal priority controls technology
For one of technology that the preferential right of way of tramcar is most important and crucial.Most of tradition tramcars run control
System uses two ways, Yi Zhongwei: set up special tramcar detection equipment near level crossing,
Make installation, mode and safeguard complicated and difficult, and owing to detection equipment general distance level crossing is relatively near,
From train being detected, carrying out level crossing signal lights priority acccess control to needs, time interval is shorter, easily
Road normal traffic vehicle is produced impact；Another kind is: use general differential GPS location technology,
Ask the GPS movement station being arranged on every train will receive differential corrections value, so can cause Train Management
Excessively complexity, the high cost of system.
Along with the appearance of new generation of city traffic signal control system, meet urban transportation to greatest extent
In various demands for control.Wherein interconnection type intelligent traffic signal controller by with traffic control center communication
Control machine connects, it is achieved data double-way real-time Transmission；Semaphore can report on-the-spot various traffic parameter in time
And duty；Central control system can real time down control command, carry out remote synchronization stepping remote control.
Wherein by expanding corresponding interface module, it is achieved public transit vehicle priority scheduling Special controlling mode, be its
One of key technology.
And existing tramcar road junction operation control method, it is impossible to meet new generation of city traffic signal control
The requirement of system processed, the most just cannot implement street railway message priority acccess control.
Summary of the invention
The technical problem to be solved is: overcome the problem that prior art exists, it is provided that Yi Zhongji
In the tramcar grade crossing signal method for controlling priority of centralization differential GPS location, new generation of city can be met
The requirement of traffic signal control system, it is achieved tramcar grade crossing signal priority acccess control.
The technical scheme that the present invention solves its technical problem is as follows:
Tramcar grade crossing signal method for controlling priority based on centralization differential GPS location, before and after electric car
Drivers' cab is respectively provided with GPS and 3G radio communication Vehicle mounted station；Train supervision center outside electric car
Be positioned at the GPS reference station the most accurately knowing position coordinates, train supervision center be provided with 3G communication access machine,
Computer, heart channel network and outside urban traffic signal control system communication connection in train supervision；
Control method comprises the following steps:
Before and after the first step, electric car, the GPS of drivers' cab receives gps signal respectively and resolves to GPS
Location information, is then compiled all GPS location information and this electric car vehicle by 3G radio communication Vehicle mounted station
Number information package is become packet and is sent to the 3G communication access at train supervision center by 3G wireless network
Machine；
Second step, train supervision center computer according to GPS reference station position coordinates and GPS benchmark
The actual GPS location information stood carries out Difference Calculation and obtains differential corrections；The meter at train supervision center
Calculation machine carries out differential correcting with drivers' cab GPS location information before and after this differential corrections electric car to receiving,
Calculate the service data of each row electric car；The service data of each row electric car is sent to city by train supervision center
City's traffic signal control system；
The service data of each row electric car is carried out at traffic control by the 3rd step, urban traffic signal control system
Formation signal control command after reason, and it is issued to the signal controlling machine at each road junction, complete electric car grade crossing signal
Priority acccess control.
The technical scheme that the present invention is the most perfect is as follows:
Preferably, train supervision center is additionally provided with electronic chart；In second step, the meter at train supervision center
Each row electric car service data is carried out Coordinate Conversion by calculation machine, and is shown on electronic chart.
Preferably, the service data of each row electric car includes electric car position coordinates, speed, travel direction.
Preferably, in the 3rd step, when urban traffic signal control system and each road junction signal controlling machine it
Between occur communication abnormality or interrupt time, the signal controlling machine at each road junction control voluntarily, temporarily cease electric car
Grade crossing signal is preferential, until communication recovers normal.
The present invention can save level crossing tramcar detection equipment investment, improves tramcar location
Precision, it is achieved the intelligentized control method of tramcar level crossing signal lights；New generation of city can be incorporated smoothly
Traffic signal control system, it is achieved tramcar grade crossing signal priority acccess control；Highly versatile, it is adaptable to appoint
The public transit systems of what bus rapid transit form, and the train that general GPS is positioned can be used to concentrate
Differential GPS Technology is upgraded, and improves positioning precision.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.But the invention is not restricted to given
Example.
Embodiment
In the present embodiment, before and after electric car, drivers' cab is respectively provided with GPS and 3G radio communication is vehicle-mounted
Platform；Train supervision outside electric car is centrally located at the GPS reference station the most accurately knowing position coordinates, train
Surveillance center is provided with 3G communication access machine, computer, electronic chart, and in train supervision, heart channel network is with outer
Portion's urban traffic signal control system communication connection.
The tramcar grade crossing signal method for controlling priority that the present embodiment positions based on centralization differential GPS includes:
Before and after the first step, electric car, the GPS of drivers' cab receives gps signal respectively and resolves to GPS
Location information, is then compiled all GPS location information and this electric car vehicle by 3G radio communication Vehicle mounted station
Number information package is become packet and is sent to the 3G communication access at train supervision center by 3G wireless network
Machine；
Second step, train supervision center computer according to GPS reference station position coordinates and GPS benchmark
The actual GPS location information stood carries out Difference Calculation and obtains differential corrections；The meter at train supervision center
Calculation machine carries out differential correcting with drivers' cab GPS location information before and after this differential corrections electric car to receiving,
Calculate the service data of each row electric car, each row electric car service data is carried out Coordinate Conversion, and is shown in
On electronic chart；The service data of each row electric car is sent to urban traffic signal control by train supervision center
System；The service data of each row electric car includes electric car position coordinates, speed, travel direction etc..
The service data of each row electric car is carried out at traffic control by the 3rd step, urban traffic signal control system
Formation signal control command after reason, and it is issued to the signal controlling machine at each road junction, complete electric car grade crossing signal
Priority acccess control；Wherein, occur between the signal controlling machine at urban traffic signal control system and each road junction
When communication abnormality or interruption, the signal controlling machine at each road junction control voluntarily, temporarily cease tramway message
Number preferential, until communication recovers normal.
(selecting can by using centralization differential GPS navigation technology to eliminate SA in gps satellite signal for the present embodiment
By property) and the impact on positioning precision of other error source, make the positioning precision of tramcar be better than 5m, with
Time, by traffic control center urban traffic signal control system, by this tramcar positioning states information
As traffic control input signal, and the interconnection type intelligent traffic signal controller at road junction is used to realize
Rail electric car level crossing signal priority controls.
The present embodiment had both improved the degree of accuracy of modern tram monitoring position, also improved the modern times simultaneously
The integrated level of tramcar dispatching patcher, decreases substantial amounts of detection equipment, realizes flexibly in intersection
The traffic control of tramcar, public vehicles and pedestrian；The operation achieving modern tram controls
With the fusion of municipal intelligent traffic project, the most metropolitan popularization of modern tram can be accelerated, with
And under the influence of urban track traffic System Construction is improved in novel urbanization, make modern tram develop into
For China at present based on an important composition in the Rail Transit System of subway and light rail.
In addition to the implementation, the present invention can also have other embodiments.All employing equivalents or etc.
The technical scheme that effect conversion is formed, all falls within the protection domain of application claims.
Claims (2)
1. tramcar grade crossing signal method for controlling priority based on centralization differential GPS location,
It is characterized in that, before and after described electric car, drivers' cab is respectively provided with GPS and 3G channel radio
Letter Vehicle mounted station；Train supervision outside described electric car is centrally located at the most accurately knows position coordinates
GPS reference station, described train supervision center is provided with 3G communication access machine, computer, described
Heart channel network and outside urban traffic signal control system communication connection in train supervision；
Described control method comprises the following steps:
Before and after the first step, described electric car, the GPS of drivers' cab receives gps signal also respectively
Resolve to GPS and position information, then by 3G radio communication Vehicle mounted station by all GPS location letter
Breath and this electric car car number information package are become packet and are sent to by 3G wireless network
The 3G communication access machine at train supervision center；
Second step, described train supervision center computer according to GPS reference station position coordinates with
And the actual GPS location information of GPS reference station carries out Difference Calculation and obtains differential corrections；
The computer at described train supervision center is with driver before and after this differential corrections electric car to receiving
Room GPS location information carries out differential correcting, calculates the service data of each row electric car；Respectively arrange electricity
The service data of car includes electric car position coordinates, speed, travel direction；In described train supervision
The service data of each row electric car is sent to urban traffic signal control system by the heart；
The service data of each row electric car is carried out by the 3rd step, described urban traffic signal control system
Formation signal control command after traffic control process, and it is issued to the signal controlling machine at each road junction,
Complete electric car grade crossing signal priority acccess control；Letter when urban traffic signal control system Yu each road junction
When communication abnormality occurring between number control machine or interrupts, the signal controlling machine at each road junction control voluntarily
System, temporarily ceases electric car grade crossing signal preferential, until communication recovers normal.
Tramcar road junction based on centralization differential GPS location the most according to claim 1
Signal priority control method, is characterized in that, described train supervision center is additionally provided with electronic chart；
In second step, each row electric car service data is carried out coordinate by the computer at described train supervision center
Conversion, and be shown on electronic chart.
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| CN201410241438.9A CN104008655B (en) | 2014-05-30 | 2014-05-30 | Tramcar grade crossing signal method for controlling priority based on centralization differential GPS location |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104240525B (en) * | 2014-08-28 | 2016-03-16 | 公安部交通管理科学研究所 | There is the road traffic signal controller system of tramcar priority control function |
| CN104670267A (en) * | 2015-03-23 | 2015-06-03 | 苏州富欣智能交通控制有限公司 | Rail transit crossing priority control system and control method thereof |
| CN105427636A (en) * | 2015-11-30 | 2016-03-23 | 深圳市华宝电子科技有限公司 | Traffic signal lamp control method, apparatus, and system |
| CN105575139B (en) * | 2016-01-06 | 2018-02-16 | 中车南京浦镇车辆有限公司 | Tramcar crossing special signal lamp control method |
| CN105539523B (en) * | 2016-01-06 | 2017-07-18 | 中车南京浦镇车辆有限公司 | Tramcar crossing special signal lamp control system |
| CN106935043A (en) * | 2017-03-24 | 2017-07-07 | 南京莱斯信息技术股份有限公司 | Tramcar priority control system and method |
| CN107045793B (en) * | 2017-05-12 | 2019-11-05 | 北方工业大学 | Tramcar's level crossing cooperative control system |
| CN107067769B (en) * | 2017-05-12 | 2019-08-09 | 北方工业大学 | Cooperative priority control method for single tramcar level crossing |
| CN107274715B (en) * | 2017-07-31 | 2020-09-01 | 南斗六星系统集成有限公司 | Large parking lot parking management system and method |
| CN111739311A (en) * | 2020-06-30 | 2020-10-02 | 湖南中车时代通信信号有限公司 | Intelligent rail train intersection priority system with redundancy arrangement |
| CN114475369A (en) * | 2021-12-30 | 2022-05-13 | 威海南海数字产业研究院有限公司 | Urban rail transit contact rail system with noise reduction function |
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| US5699986A (en) * | 1996-07-15 | 1997-12-23 | Alternative Safety Technologies | Railway crossing collision avoidance system |
| JP2001043476A (en) * | 1999-07-28 | 2001-02-16 | Hitachi Denshi Ltd | Control system for road traffic |
| JP3889651B2 (en) * | 2002-03-28 | 2007-03-07 | 財団法人鉄道総合技術研究所 | Level crossing road traffic signal control system and level crossing road traffic signal control method |
| JP2008143476A (en) * | 2006-12-13 | 2008-06-26 | Toyota Motor Corp | Air resistance reducing device |
| CN101968928A (en) * | 2010-10-19 | 2011-02-09 | 北方工业大学 | Remote traffic signal control method |
| CN202541584U (en) * | 2012-05-14 | 2012-11-21 | 济南三鼎电气有限责任公司 | Comprehensive automatic early warning system at railway crossing |
| CN202904890U (en) * | 2012-11-07 | 2013-04-24 | 江苏大为科技股份有限公司 | GPS-based bus signal priority control system |
| CN203126891U (en) * | 2013-01-11 | 2013-08-14 | 沈海峰 | City tramcar safety guaranteeing system |
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Address after: 210031 Nanjing province high tech Industrial Development Zone, Taishan Park, North Pearl Road, No. 68 Patentee after: CRRC NANJING PUZHEN CO., LTD. Address before: 210031 Nanjing province high tech Industrial Development Zone, Taishan Park, North Pearl Road, No. 68 Patentee before: CSR NANJING PUZHEN Vehicles Co., Ltd. |