CN106935043A - Tramcar priority control system and method - Google Patents
Tramcar priority control system and method Download PDFInfo
- Publication number
- CN106935043A CN106935043A CN201710182180.3A CN201710182180A CN106935043A CN 106935043 A CN106935043 A CN 106935043A CN 201710182180 A CN201710182180 A CN 201710182180A CN 106935043 A CN106935043 A CN 106935043A
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- China
- Prior art keywords
- tramcar
- frequency identification
- vehicle
- priority
- crossing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle
Abstract
Whether the present invention provides a kind of tramcar priority control system and method, and system includes radio frequency identification module and GPS dual-mode locating module, check the data link of radio frequency identification normal first, if data link is normal, performs radio frequency identification triggering priority acccess control pattern；If data link is abnormal, vehicle positioning triggering priority acccess control pattern is performed；Radio frequency identification triggering priority acccess control pattern uses wire transmission signal, and vehicle positioning triggering priority acccess control pattern uses wireless transmission signal.The free switching of both of which of the present invention, can be according to actual crossing traffic situation, it is ensured that realize the priority pass of tramcar, strengthens the flexibility of tramcar, effectively improves traffic efficiency, reduces the influence to public vehicles.
Description
Technical field
This patent belongs to the patent of invention of computer applied algorithm, is related to signal control technology field, more particularly to one
Plant implementation tramcar preferential control system and method.
Background technology
Urban development is rapid abroad for modern tram, is obtained extensively in 365 cities of more than 50 countries of the world
Using, ending 2015, operating line is a plurality of more than 400, and revenue kilometres reach 3000km, still have 100 a plurality of circuits in construction,
The important component of countries in the world urban track traffic is turned into.Development of Urban modern tram is listed by China in country
" 12 " planning outline, it is indicated that " first develop the friendship of the city rails such as public transport, advance to perfect order light rail, subway, tramcar
Open network is built ".The important component that tramcar priority control system is built as tramcar, its major function
For：Real-time detection electric car positional information, and controlled by the signal to crossing, ensure that electric car passes through prior-release during crossing.
Existing most of tramcar priority system, detection means is single, when detector data link breaks down,
It is standby without the second communication link, cause priority acccess control to interrupt, tramcar cannot continue priority pass.When part crossing sets
When being equipped with the current phase of special tramcar, control interruption can cause tramcar to be had a strong impact on normal through crossing
The operation of tramcar.Meanwhile, existing system mostly control method is single, it is impossible to the actual crossing traffic situation of reply, causes
The current of public vehicles is had a strong impact on during tramcar priority acccess control.
The content of the invention
Goal of the invention：In order to solve the problems, such as prior art, the traffic conditions at actual crossing are tackled and electric to rail
Car carries out priority acccess control, and the present invention provides a kind of tramcar priority control system and method.
Technical scheme：A kind of tramcar priority control system, including the rfid-transponder on tramcar
Device, vehicle-mounted Big Dipper GPS dual-mode locating module, vehicle-mounted data processing center, in-vehicle wireless communication module, installed in CORS base stations
Wireless communication module, the radio-frequency identification reader installed in crossing, the semaphore installed in crossing and control centre, the car
Carrying data processing centre is used to predict time of the tramcar by crossing, and the control centre is used to issue Priority Directive；Institute
State vehicle-mounted Big Dipper GPS dual-mode locating module to be electrically connected with vehicle-mounted data processing center, the radio-frequency identification reader is used to detect
Tramcar, radio-frequency identification reader and signal mechatronics, the vehicle-mounted data processing center and semaphore respectively with control
Center electrically connects.
A kind of tramcar priority acccess control control method, comprises the following steps：
(1) whether the data link of inspection radio frequency identification is normal, and the data link of the radio frequency identification is installed in crossing
Radio-frequency identification reader and semaphore between communication line and the communication line between semaphore and control centre, if number
It is normal according to link, perform step (2) and priority acccess control pattern is triggered using radio frequency identification；If data link is abnormal, step is performed
(3) priority acccess control pattern is triggered using vehicle positioning；
(2) when tramcar sails the detection zone of radio-frequency identification reader into, radio-frequency identification reader produces triggering letter
Number, and trigger signal is sent to semaphore, after semaphore receives trigger signal, transfer the traffic signal timing side at the crossing
Case, the traffic signal timing scheme is stored in semaphore, while gathering traffic lights color and the remaining time at the crossing；According to
Traffic signal timing scheme, traffic lights color and remaining time carry out prior-release to tramcar, and synchronous signal machine will be triggered to be believed
Number, the information of prior-release operation send to control centre, control centre's monitoring in real time and log history data are united for inquiry
Meter；
(3) vehicle-mounted Big Dipper GPS dual-mode locating module is positioned to tramcar, and location data is sent into Vehicular data
According to processing center, vehicle-mounted data processing center judges electric car position by location data, toggle area is preset, when tramcar is sailed
When entering default toggle area, gather the traffic lights color of the travel speed, platform berthing time and crossing of tramcar and remain
The remaining time, time of the electric car by crossing is predicted, triggering priority acccess control is asked to control centre, and control centre issues Priority Directive
To semaphore, prior-release is carried out to tramcar.
Beneficial effect：A kind of tramcar priority control system that the present invention is provided, by radio frequency identification module and car
The cooperation of Big Dipper GPS dual-mode locating module is carried, two communication links are devised, wired monitoring means with wireless combination is to rail
Electric car position carries out picket surveillance, and row data communication is entered by two data links, it is ensured that system being capable of stable operation, it is to avoid
After one communication chain abnormal interrupt, tramcar cannot realize that priority pass even cannot be normal through the situation at crossing.
A kind of tramcar method for controlling priority that the present invention is provided, priority acccess control pattern is triggered by using radio frequency identification
With the setting of both patterns of vehicle positioning triggering priority acccess control pattern, priority acccess control pattern is preferentially triggered using radio frequency identification,
When radio frequency identification data link breaks down, switch to vehicle positioning trigger priority acccess control pattern, both of which free switching,
Ensure to realize the priority acccess control to tramcar, can ensure that tramcar is normal or excellent according to actual crossing traffic situation
First pass through crossing.Positioned using Big Dipper GPS dual-mode, and difference processing is carried out to location data, improve positioning precision.Self adaptation
Control method can strengthen the flexibility of tramcar, effectively improve traffic efficiency, reduce the influence to public vehicles.
Brief description of the drawings
Fig. 1 is the data link block diagram of tramcar priority control system.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Tramcar priority control system, including radio-frequency identification transponder, vehicle-mounted Big Dipper GPS on tramcar
Bimodulus locating module, vehicle-mounted data processing center, in-vehicle wireless communication module, the wireless communication module installed in CORS base stations,
Radio-frequency identification reader installed in crossing, the semaphore installed in crossing and control centre, in the vehicle-mounted data treatment
The heart is used to predict time of the tramcar by crossing that the control centre to be used to issue Priority Directive；The vehicle-mounted Big Dipper GPS
Bimodulus locating module is electrically connected with vehicle-mounted data processing center, and the radio-frequency identification reader is used to detect tramcar, radio frequency
Identification reader and signal mechatronics, the vehicle-mounted data processing center are electrically connected with control centre respectively with semaphore.Institute
State and pass through wire transmission signal between semaphore and radio-frequency identification reader.Vehicle-mounted Big Dipper GPS dual-mode locating module is by wireless
Pass through wireless transmission signal between communication module and CORS base stations.
Using the tramcar priority acccess control control method of the tramcar priority control system, comprise the following steps：
(1) whether the data link of inspection radio frequency identification is normal, and the data link of the radio frequency identification is installed in crossing
Radio-frequency identification reader and semaphore between communication line and the communication line between semaphore and control centre, if number
It is normal according to link, perform step (2) and priority acccess control pattern is triggered using radio frequency identification；If data link is abnormal, step is performed
(3) priority acccess control pattern is triggered using vehicle positioning；
(2) when tramcar sails the detection zone of radio-frequency identification reader into, radio-frequency identification reader produces triggering letter
Number, and trigger signal is sent to semaphore, after semaphore receives trigger signal, transfer the traffic signal timing side at the crossing
Case, the traffic signal timing scheme is stored in semaphore, while gathering traffic lights color and the remaining time at the crossing；According to
Traffic signal timing scheme, traffic lights color and remaining time carry out prior-release to tramcar, and synchronous signal machine will be triggered to be believed
Number, the information of prior-release operation send to control centre, control centre's monitoring in real time and log history data are united for inquiry
Meter；
(3) vehicle-mounted Big Dipper GPS dual-mode locating module is positioned to tramcar, and location data is sent to simultaneously
CORS base stations and vehicle-mounted data processing center, CORS base stations generate real time differential update information according to location data, then will be real-time
Differential corrections send back vehicle-mounted data processing center, and vehicle-mounted data processing center is according to Differential corrections to location data
Difference processing is carried out, electric car position is judged by the location data after difference processing, toggle area is preset, when tramcar is sailed into
During default toggle area, the traffic lights color and residue of the travel speed, platform berthing time and crossing of tramcar are gathered
Time, time of the electric car by crossing is predicted, triggering priority acccess control is asked to control centre, and control centre issues Priority Directive extremely
Semaphore, prior-release is carried out to tramcar.
Wherein, positioned using Big Dipper GPS dual-mode, and difference processing is carried out to location data, positioning precision can be improved.
Wherein, the traffic lights color at step (2) collection crossing and remaining time, step (3) gathers the traffic lights face at crossing
Color and remaining time, the travel speed of tramcar, platform berthing time can be acquired by sensor.
The self adaptation mode of priority is used to tramcar prior-release, including inserted tramcar clearance phase, extended green
Lamp, one or more for terminating in advance in red light, ensure that tramcar is smooth current.Can be according to actual crossing traffic feelings
Condition, ensures that tramcar normally or preferentially passes through crossing.The control method of self adaptation can strengthen the flexibility of tramcar, have
Effect improves traffic efficiency, reduces the influence to public vehicles.
Both the above control model, radio frequency identification triggering priority acccess control mode classes highest, answers real-time inspection radio frequency identification
Data link it is whether normal, when data link is abnormal, automatically switch to vehicle positioning triggering priority acccess control pattern；Work as data
After link-recovery is normal, then switch to radio frequency identification triggering priority acccess control pattern.Using wired monitoring means with wireless combination
Picket surveillance is carried out to tramcar position, two data links can ensure communication security, it is ensured that system stable operation, keep away
After exempting from a communication chain abnormal interrupt, tramcar cannot realize that priority pass even cannot be normal through the situation at crossing.
Claims (6)
1. a kind of tramcar priority control system, it is characterised in that including the rfid-transponder on tramcar
Device, vehicle-mounted Big Dipper GPS dual-mode locating module, vehicle-mounted data processing center, in-vehicle wireless communication module, installed in CORS base stations
Wireless communication module, the radio-frequency identification reader installed in crossing, the semaphore installed in crossing and control centre, the car
Carrying data processing centre is used to predict time of the tramcar by crossing, and the control centre is used to issue Priority Directive；Institute
State vehicle-mounted Big Dipper GPS dual-mode locating module to be electrically connected with vehicle-mounted data processing center, the radio-frequency identification reader is used to detect
Tramcar, radio-frequency identification reader and signal mechatronics, the vehicle-mounted data processing center and semaphore respectively with control
Center electrically connects.
2. tramcar priority control system according to claim 1, it is characterised in that the semaphore and radio frequency identification
Pass through wire transmission signal between reader.
3. using the control method of tramcar priority control system as claimed in claim 1, it is characterised in that including following
Step：
(1) whether the data link of inspection radio frequency identification is normal, and the data link of the radio frequency identification is penetrating installed in crossing
Communication line between frequency identification reader and semaphore and the communication line between semaphore and control centre, if Data-Link
Road is normal, performs step (2) and triggers priority acccess control pattern using radio frequency identification；If data link is abnormal, performs step (3) and adopt
Priority acccess control pattern is triggered with vehicle positioning；
(2) when tramcar sails the detection zone of radio-frequency identification reader into, radio-frequency identification reader produces trigger signal, and
Trigger signal is sent to semaphore, after semaphore receives trigger signal, the traffic signal timing scheme at the crossing is transferred, it is described
Traffic signal timing scheme is stored in semaphore, while gathering traffic lights color and the remaining time at the crossing；According to signal lamp
Timing scheme, traffic lights color and remaining time carry out prior-release to tramcar, and synchronous signal machine is by trigger signal, preferential
The information for operating of letting pass is sent to control centre, and control centre monitors in real time and log history data are for query statistic；
(3) vehicle-mounted Big Dipper GPS dual-mode locating module is positioned to tramcar, and location data is sent at vehicle-mounted data
Reason center, vehicle-mounted data processing center judges electric car position by location data, toggle area is preset, when tramcar sails pre- into
If toggle area when, gather the traffic lights color of the travel speed, platform berthing time and crossing of tramcar and it is remaining when
Between, time of the electric car by crossing is predicted, triggering priority acccess control is asked to control centre, and control centre issues Priority Directive to letter
Number machine, prior-release is carried out to tramcar.
4. the control method of tramcar priority control system according to claim 3, it is characterised in that in step (3),
Location data is sent to CORS base stations and vehicle-mounted data processing center, CORS bases by vehicle-mounted Big Dipper GPS dual-mode locating module simultaneously
Stand according to location data generate real time differential update information, then by real time differential update information send back vehicle-mounted data treatment in
The heart, vehicle-mounted data processing center carries out difference processing according to Differential corrections to location data, by determining after difference processing
Digit is it is judged that electric car position.
5. the control method of the tramcar priority control system according to claim 3 or 4, it is characterised in that step
(2) the self adaptation mode of priority, is used in (3) to tramcar prior-release, including is inserted tramcar clearance phase, is extended green
Lamp, one or more for terminating in advance in red light.
6. the control method of the tramcar priority control system according to claim 3 or 4, it is characterised in that inspection in real time
Whether the data link for testing radio frequency identification is normal, when data link is abnormal, automatically switches to vehicle positioning triggering priority acccess control
Pattern；After data link recovers normal, then switch to radio frequency identification triggering priority acccess control pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710182180.3A CN106935043A (en) | 2017-03-24 | 2017-03-24 | Tramcar priority control system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710182180.3A CN106935043A (en) | 2017-03-24 | 2017-03-24 | Tramcar priority control system and method |
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| Publication Number | Publication Date |
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| CN106935043A true CN106935043A (en) | 2017-07-07 |
Family
ID=59425908
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| CN201710182180.3A Pending CN106935043A (en) | 2017-03-24 | 2017-03-24 | Tramcar priority control system and method |
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Cited By (9)
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| CN107351866A (en) * | 2017-07-13 | 2017-11-17 | 北方工业大学 | Tramcar intersection cooperative control method considering platform stop time |
| CN107622680A (en) * | 2017-09-25 | 2018-01-23 | 中铁二院重庆勘察设计研究院有限责任公司 | A kind of tramcar level crossing complex control system |
| CN108010348A (en) * | 2017-12-27 | 2018-05-08 | 中车株洲电力机车研究所有限公司 | The crossing signals priority system and method for a kind of intelligence rail train |
| CN108146470A (en) * | 2017-12-19 | 2018-06-12 | 卡斯柯信号有限公司 | A kind of double Y crossing priority control methods of tramcar |
| 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 |
| CN111815949A (en) * | 2020-03-26 | 2020-10-23 | 同济大学 | Branch vehicle afflux early warning system for main road traffic vehicles |
| CN113570874A (en) * | 2021-09-07 | 2021-10-29 | 深圳市捷顺科技实业股份有限公司 | Parking detection method, device and equipment and vehicle detector |
| CN117576928A (en) * | 2024-01-15 | 2024-02-20 | 中铁一局集团电务工程有限公司 | Traffic signal control method and system for trolley bus |
| CN117576928B (en) * | 2024-01-15 | 2024-05-03 | 中铁一局集团电务工程有限公司 | Traffic signal control method and system for trolley bus |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351866A (en) * | 2017-07-13 | 2017-11-17 | 北方工业大学 | Tramcar intersection cooperative control method considering platform stop time |
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| CN107622680A (en) * | 2017-09-25 | 2018-01-23 | 中铁二院重庆勘察设计研究院有限责任公司 | A kind of tramcar level crossing complex control system |
| CN108146470A (en) * | 2017-12-19 | 2018-06-12 | 卡斯柯信号有限公司 | A kind of double Y crossing priority control methods of tramcar |
| CN108010348A (en) * | 2017-12-27 | 2018-05-08 | 中车株洲电力机车研究所有限公司 | The crossing signals priority system and method for a kind of intelligence rail train |
| CN111815949A (en) * | 2020-03-26 | 2020-10-23 | 同济大学 | Branch vehicle afflux early warning system for main road traffic vehicles |
| 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 |
| CN113570874A (en) * | 2021-09-07 | 2021-10-29 | 深圳市捷顺科技实业股份有限公司 | Parking detection method, device and equipment and vehicle detector |
| CN117576928A (en) * | 2024-01-15 | 2024-02-20 | 中铁一局集团电务工程有限公司 | Traffic signal control method and system for trolley bus |
| CN117576928B (en) * | 2024-01-15 | 2024-05-03 | 中铁一局集团电务工程有限公司 | Traffic signal control method and system for trolley bus |
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Application publication date: 20170707 |