CN114148384A - Tramcar operation control system - Google Patents
Tramcar operation control system Download PDFInfo
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- CN114148384A CN114148384A CN202111360060.0A CN202111360060A CN114148384A CN 114148384 A CN114148384 A CN 114148384A CN 202111360060 A CN202111360060 A CN 202111360060A CN 114148384 A CN114148384 A CN 114148384A
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- tramcar
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- 238000004891 communication Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000006731 degradation reaction Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 101000879675 Streptomyces lavendulae Subtilisin inhibitor-like protein 4 Proteins 0.000 description 1
- 101000880160 Streptomyces rochei Subtilisin inhibitor-like protein 2 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/028—Determination of vehicle position and orientation within a train consist, e.g. serialisation
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a tramcar operation control system, which comprises a turnout control subsystem, a vehicle-mounted subsystem and a control center, wherein the turnout control subsystem is connected with trackside equipment and used for realizing tramcar position tracking, tramcar route control, trackside equipment control and state supervision in a turnout area and providing a crossing priority control function through communication with a road traffic signal system; the vehicle-mounted subsystem is provided with a vehicle-ground communication unit, an autonomous positioning module and a safety protection module, real-time wireless communication is carried out between the vehicle-ground communication unit and the turnout control subsystem, vehicle positioning is realized through the autonomous positioning module, and safety protection is provided through the safety protection module; and the control center is used for controlling the turnout control subsystem and the vehicle-mounted subsystem. According to the technical scheme, the train-ground communication is always kept in the running process of the tramcar, and the full-line safety protection is carried out on the tramcar.
Description
Technical Field
The invention belongs to the technical field of rail transit, and particularly relates to a tramcar operation control system.
Background
The existing tramcar operation control system consists of a control center subsystem, a vehicle-mounted subsystem, a turnout control subsystem and an intersection priority control subsystem. The control center subsystem and the vehicle-mounted subsystem are communicated through a wireless network to monitor the running state of each electric car; the method comprises the following steps that monitoring and displaying of the state of trackside equipment by a control center are achieved based on a ground fixed network mode; the vehicle-mounted subsystem communicates with the turnout control subsystem and the intersection priority control subsystem through a vehicle-ground communication loop and the like, so that the safe operation of the tramcar is realized.
The existing tramcar operation control system can establish train-ground communication after the tramcar reaches the corresponding positions of the intersection and the turnout, the train-ground communication is not continuous, the tramcar can only acquire the information of the current communication area, and the tramcar cannot perform full-line safety protection on the tramcar.
Disclosure of Invention
The invention aims to provide a tramcar operation control system to realize the full-line safety protection of tramcars.
In order to solve the technical problems, the invention adopts the following technical scheme:
a tram operation control system comprising:
the switch control subsystem: the turnout control subsystem is connected with the trackside equipment and used for realizing trolley position tracking, trolley route control, trackside equipment control and state supervision in a turnout area and providing a crossing priority control function through communication with a road traffic signal system, and comprises a turnout control unit and a crossing control unit;
a vehicle-mounted subsystem: the vehicle-mounted subsystem is provided with a vehicle-ground communication unit, an autonomous positioning module and a safety protection module, real-time wireless communication is carried out between the vehicle-ground communication unit and the turnout control subsystem, vehicle positioning is realized through the autonomous positioning module, and safety protection is provided through the safety protection module;
the control center: and the control center is used for controlling the turnout control subsystem and the vehicle-mounted subsystem.
Preferably, in the intersection priority control mode, the vehicle-mounted subsystem sends intersection advance notice information and approach information to the turnout control subsystem in an intersection area according to the position of the tramcar, the turnout control subsystem applies for intersection priority passing right to the road traffic system, and indicates the tramcar to run according to a priority signal given by the road traffic signal control system, so that the tramcar is guaranteed to pass preferentially;
and when the electric car drives in and out of the intersection area, the turnout control subsystem receives the occupation information and the clearance information sent by the vehicle-mounted subsystem and forwards the occupation information and the clearance information to the road traffic system, so that normal traffic control of the intersection is recovered.
Preferably, the positioning module uses a speed integration algorithm in combination with a beacon as a first positioning mode, and uses GPS and beidou dual-mode satellite positioning as a second positioning mode.
Preferably, the tramcar route control comprises central automatic/manual control, vehicle-mounted automatic/manual control and trackside manual control, wherein the central automatic/manual control and the vehicle-mounted automatic control are in a conventional control mode, the vehicle-mounted manual control mode is a degradation control mode, and the trackside manual control mode is a backup control mode;
the central automatic route control mode: after the ATS applies for the access control authority, the control center automatically processes access for the tramcar according to the tramcar position report and the tramcar operation plan;
the central artificial route control mode is as follows: after the ATS applies for the access control authority, a control center dispatcher selects and arranges an access by operating and issues an access request command to a turnout control subsystem;
vehicle automatic control mode: the control center issues an operation plan to the vehicle-mounted subsystem, and the vehicle-mounted subsystem autonomously applies for access to the turnout control subsystem according to the position of the tramcar and the state of the signal machine;
vehicle-mounted manual control mode: the driver selects the advance direction of the tramcar and presses the confirmation key according to the position of the tramcar and the prompt information, and applies for corresponding access to the turnout control system;
and (3) a track side manual control mode: and carrying out local manual operation on the turnout.
Preferably, the safety protection provided by the safety protection module comprises:
when the speed of the electric car exceeds the speed limit specified by a fixed position in the running process of the electric car, the vehicle-mounted TOD gives out sound and light alarm to prompt a driver to decelerate; when the speed of the electric car exceeds a set threshold value, outputting unreleasable emergency braking to the electric car, transmitting overspeed alarm information to a control center, and alarming and reminding the control center;
if the front is a prohibition signal, the turnout control subsystem transmits signal prohibition information to the vehicle-mounted subsystem, and the vehicle-mounted subsystem prompts a driver to decelerate to ensure that the vehicle stops before the prohibition signal; if the electric car emits a signal, the vehicle-mounted subsystem immediately outputs an unreleasable emergency braking instruction, and simultaneously transmits the information of the emitted signal to the control center to alarm and remind the control center.
Preferably, the safety protection module comprises an obstacle detection device for detecting an obstacle in front of the vehicle.
By adopting the technical scheme, the invention has the following beneficial effects:
1. the tramcar-mounted subsystem and the turnout control subsystem are always in communication through a wireless network, and the tramcar-mounted subsystem acquires the state of trackside equipment in real time and provides full-line safety protection such as speed protection, imposition protection and anti-collision protection.
2. The tramcar route control comprises central automatic/manual control and local control (including vehicle-mounted automatic/manual control and trackside manual control), so that multiple modes of route control are realized, and a turnout control system is compatible with a crossing priority control function and does not need to be provided with independent crossing priority control system equipment.
3. The vehicle-mounted subsystem accurately positions the tramcar by adopting two modes of a speed integral algorithm and dual-mode (GPS and Beidou) satellite positioning. Therefore, the train position is autonomously positioned by the vehicle-mounted system, and other train position detection equipment is not required to be arranged in the intersection area.
The following detailed description of the present invention will be provided in conjunction with the accompanying drawings.
Drawings
The invention is further described with reference to the accompanying drawings and the detailed description below:
fig. 1 is a schematic structural diagram of a tramcar signal system according to the present invention.
Fig. 2 is a schematic view of the positioning of the tramcar assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a tramcar operation control system based on wireless communication, which can complete the functions of tramcar position tracking, route control, safety protection, trackside equipment control, state supervision and the like.
The specific implementation scheme is as follows:
a tram operation control system, as shown in fig. 1, comprising:
the switch control subsystem: the turnout control subsystem is connected with the trackside equipment and used for realizing trolley position tracking, trolley route control, trackside equipment control and state supervision in a turnout area and providing a crossing priority control function through communication with a road traffic signal system, and comprises a turnout control unit and a crossing control unit;
a vehicle-mounted subsystem: the vehicle-mounted subsystem is provided with a vehicle-ground communication unit, an autonomous positioning module and a safety protection module, real-time wireless communication is carried out between the vehicle-ground communication unit and the turnout control subsystem, vehicle positioning is realized through the autonomous positioning module, and safety protection is provided through the safety protection module;
the control center: and the control center is used for controlling the turnout control subsystem and the vehicle-mounted subsystem.
The turnout control subsystem adopts a safety framework of two-by-two-out-of-two, the overall safety level is SIL4, and the turnout control subsystem is designed according to a centralized station mode. The turnout control unit controls the communication between the main machine and the related system to realize the 'failure-safety' function and is configured redundantly; the intersection control unit multiplexes the main cages of the turnout control unit, and no redundancy is provided. The switch control subsystem is connected with trackside equipment such as a route indicator, a shaft counter, a point switch, a dynamic beacon and the like and an ATS. And provides intersection priority control function through the interface between the road traffic signal system and the road traffic signal system.
The vehicle-mounted subsystem is composed of a vehicle-mounted display, a vehicle-mounted host (control unit), an operation button panel, a vehicle-mounted industrial switch, a speed sensor, a satellite positioning device, a vehicle-ground communication unit, a beacon host, a beacon antenna, a passenger counting device, an obstacle detecting device, a power supply and the like.
The vehicle-mounted subsystem adopts a single-end 2-out-of-2 structure, and is not redundant from head to tail. A single end is provided with an OPG. The mode of beacon + GPS + OPG is adopted for positioning, and the whole vehicle-mounted subsystem is SIL2 level.
The vehicle-mounted subsystem realizes the control of the turnout through the information such as the trackside equipment state, the remote control turnout request and the like provided by the turnout control subsystem; the control system and the turnout control system realize the priority control of the level crossing; the protection of the running safety of the electric vehicle comprises speed control, overspeed protection, intrusion protection and the like, and can correspond to a dispatching instruction from the ATS. Meanwhile, the functions of detecting obstacles and counting passengers of the electric car are realized through the active driving protection system of the electric car and the passenger counting device.
The dispatching control center comprises an application server, an interface server, a communication server, a database storage device, a human-computer interface, an offline schedule editing workstation, a large-screen interface workstation and a dispatching work station.
The main functions of the control center subsystem include remote monitoring and control of the turnout control subsystem, registration and tracking of vehicles running on the main line, dynamic editing of timetables, running monitoring and the like.
Under the intersection priority control mode, the vehicle-mounted subsystem sends intersection advance notice information and approach information to the turnout control subsystem in an intersection area according to the position of the tramcar, the turnout control subsystem applies for intersection priority passing right to the road traffic system, and indicates the tramcar to run according to a priority signal given by the road traffic signal control system, so that the tramcar is guaranteed to run preferentially;
and when the electric car drives in and out of the intersection area, the turnout control subsystem receives the occupation information and the clearance information sent by the vehicle-mounted subsystem and forwards the occupation information and the clearance information to the road traffic system, so that normal traffic control of the intersection is recovered.
As shown in fig. 2, the autonomous positioning module uses a velocity integration algorithm in combination with a beacon as a first positioning mode, and uses GPS and beidou dual-mode satellite positioning as a second positioning mode. The first positioning mode is used as a main positioning mode, and the second positioning mode is used as an auxiliary backup positioning mode. The working principle of the above two positioning modes can refer to the prior art.
The tramcar route control comprises central automatic/manual control, vehicle-mounted automatic/manual control and trackside manual control, wherein the central automatic/manual control and the vehicle-mounted automatic control are in a conventional control mode, the vehicle-mounted manual control mode is a degradation control mode, and the trackside manual control mode is a backup control mode;
the central automatic route control mode: after the ATS applies for the access control authority, the control center automatically processes access for the tramcar according to the tramcar position report and the tramcar operation plan;
the central artificial route control mode is as follows: after the ATS applies for the access control authority, a control center dispatcher selects and arranges an access by operating and issues an access request command to a turnout control subsystem;
vehicle automatic control mode: the control center issues an operation plan to the vehicle-mounted subsystem, and the vehicle-mounted subsystem autonomously applies for access to the turnout control subsystem according to the position of the tramcar and the state of the signal machine;
vehicle-mounted manual control mode: the driver selects the advance direction of the tramcar and presses the confirmation key according to the position of the tramcar and the prompt information, and applies for corresponding access to the turnout control system;
and (3) a track side manual control mode: and carrying out local manual operation on the turnout.
The safety protection provided by the safety protection module comprises:
when the speed of the electric car exceeds the speed limit specified by a fixed position in the running process of the electric car, the vehicle-mounted TOD gives out sound and light alarm to prompt a driver to decelerate; when the speed of the electric car exceeds a set threshold value, unreleasable emergency braking is output to the electric car, overspeed alarm information is transmitted to a control center, and alarm reminding is carried out on the control center.
If the front is a prohibition signal, the turnout control subsystem transmits signal prohibition information to the vehicle-mounted subsystem, and the vehicle-mounted subsystem prompts a driver to decelerate to ensure that the vehicle stops before the prohibition signal; if the electric car emits a signal, the vehicle-mounted subsystem immediately outputs an unreleasable emergency braking instruction, and simultaneously transmits the information of the emitted signal to the control center to alarm and remind the control center.
Further, reference may also be made to the safety protection technology of existing trams, the safety protection module comprising obstacle detection means for detecting obstacles in front of the vehicle. The obstacle detection device detects that obstacles (electric cars, social vehicles, pedestrians and the like) exist in front of the electric cars, sends obstacle information and the degree of harm to safe operation of the electric cars to the vehicle-mounted subsystem, and the vehicle-mounted subsystem sends alarm information to remind drivers of attention.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in other forms without departing from the spirit or essential characteristics thereof. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (6)
1. A tram operation control system, comprising:
the switch control subsystem: the turnout control subsystem is connected with the trackside equipment and used for realizing trolley position tracking, trolley route control, trackside equipment control and state supervision in a turnout area and providing a crossing priority control function through communication with a road traffic signal system, and comprises a turnout control unit and a crossing controller;
a vehicle-mounted subsystem: the vehicle-mounted subsystem is provided with a vehicle-ground communication unit, an autonomous positioning module and a safety protection module, real-time wireless communication is carried out between the vehicle-ground communication unit and the turnout control subsystem, vehicle positioning is realized through the autonomous positioning module, and safety protection is provided through the safety protection module;
the control center: and the control center is used for controlling the turnout control subsystem and the vehicle-mounted subsystem.
2. A tram operation control system according to claim 1, characterised in that: under the intersection priority control mode, the vehicle-mounted subsystem sends intersection advance notice information and approach information to the turnout control subsystem in an intersection area according to the position of the tramcar, the turnout control subsystem applies for intersection priority passing right to the road traffic system, and indicates the tramcar to run according to a priority signal given by the road traffic signal control system, so that the tramcar is guaranteed to run preferentially;
and when the electric car drives in and out of the intersection area, the turnout control subsystem receives the occupation information and the clearance information sent by the vehicle-mounted subsystem and forwards the occupation information and the clearance information to the road traffic system, so that normal traffic control of the intersection is recovered.
3. A tram operation control system according to claim 1, characterised in that: the positioning module uses a speed integration algorithm combined with a beacon as a first positioning mode and uses GPS and Beidou dual-mode satellite positioning as a second positioning mode.
4. A tram operation control system according to claim 1, characterised in that: the tramcar route control comprises central automatic/manual control, vehicle-mounted automatic/manual control and trackside manual control, wherein the central automatic/manual control and the vehicle-mounted automatic control are in a conventional control mode, the vehicle-mounted manual control mode is a degradation control mode, and the trackside manual control mode is a backup control mode;
the central automatic route control mode: after the ATS applies for the access control authority, the control center automatically processes access for the tramcar according to the tramcar position report and the tramcar operation plan;
the central artificial route control mode is as follows: after the ATS applies for the access control authority, a control center dispatcher selects and arranges an access by operating and issues an access request command to a turnout control subsystem;
vehicle automatic control mode: the control center issues an operation plan to the vehicle-mounted subsystem, and the vehicle-mounted subsystem autonomously applies for access to the turnout control subsystem according to the position of the tramcar and the state of the signal machine;
vehicle-mounted manual control mode: the driver selects the advance direction of the tramcar and presses the confirmation key according to the position of the tramcar and the prompt information, and applies for corresponding access to the turnout control subsystem;
and (3) a track side manual control mode: and carrying out local manual operation on the turnout.
5. A tram operation control system according to claim 1, characterised in that: the safety protection provided by the safety protection module comprises:
when the speed of the electric car exceeds the speed limit specified by a fixed position in the running process of the electric car, the vehicle-mounted TOD gives out sound and light alarm to prompt a driver to decelerate; when the speed of the electric car exceeds a set threshold value, outputting unreleasable emergency braking to the electric car, transmitting overspeed alarm information to a control center, and alarming and reminding the control center;
if the front is a prohibition signal, the turnout control subsystem transmits signal prohibition information to the vehicle-mounted subsystem, and the vehicle-mounted subsystem prompts a driver to decelerate to ensure that the vehicle stops before the prohibition signal; if the electric car emits a signal, the vehicle-mounted subsystem immediately outputs an unreleasable emergency braking instruction, and simultaneously transmits the information of the emitted signal to the control center to alarm and remind the control center.
6. A tram operation control system according to claim 1, characterised in that: the safety protection module comprises an obstacle detection device for detecting obstacles in front of the vehicle.
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| CN202111360060.0A CN114148384A (en) | 2021-11-17 | 2021-11-17 | Tramcar operation control system |
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| CN202111360060.0A CN114148384A (en) | 2021-11-17 | 2021-11-17 | Tramcar operation control system |
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Cited By (2)
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| CN115195830A (en) * | 2022-08-25 | 2022-10-18 | 马鞍山钢铁股份有限公司 | Automatic early warning method and system for unmanned crossing |
| CN115465330A (en) * | 2022-08-29 | 2022-12-13 | 通号万全信号设备有限公司 | Tramcar signal red light forward judging method and device |
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