CN101513887A - Method for competition type hot standby switching of intelligent automatic train monitoring system - Google Patents
Method for competition type hot standby switching of intelligent automatic train monitoring system Download PDFInfo
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- CN101513887A CN101513887A CNA2008102081455A CN200810208145A CN101513887A CN 101513887 A CN101513887 A CN 101513887A CN A2008102081455 A CNA2008102081455 A CN A2008102081455A CN 200810208145 A CN200810208145 A CN 200810208145A CN 101513887 A CN101513887 A CN 101513887A
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Abstract
The invention relates to a method for the competition type hot standby switching of an intelligent automatic train monitoring system. The method comprises the following steps that: two redundancy units are connected with a hot standby controller through a serial port; a master control right is competed for or given up by setting an RTS signal; the master control right is maintained by continuously sending data to the serial port after the obtaining of the master control right; the hot standby controller responds a CTS enabling signal to an RTS request signal; the hot standby controller continues and maintains the CTS signal to the RTS signal; the hot standby controller sets up a serial data channel between the two redundancy units; and the redundancy units are connected with an external interface through the data channel provided by the hot standby controller. Compared with the prior art, the method achieves dual computer hot-standby of a key equipment unit and the dynamic redundancy of the external system interface so as to obtain sufficient system reliability and support uninterrupted operation.
Description
Technical field
The present invention relates to railway and urban track traffic automation control area, relate in particular to the method for the competition type hot standby switching that is used for intelligent automatic train monitoring system.
Background technology
High reliability is a basic demand of urban track traffic ITS system.The reliability of system depends on the various piece of composition system, the ITS system has used computer equipment in a large number, the inefficacy of its hardware device and software system inevitable unusually, in order to obtain higher reliability and non-failure operation time, except adopting more stable hardware device and failure-free software system more, the use redundancy also is a kind of effective terms of settlement.By redundancy, the ITS system can realize the two-node cluster hot backup of key equipment.ITS system and interlock system, guide passenger, the equipment connection that platform is dispatched a car other systems such as indicating device also can realize that unperturbed switches by the interface redundancy technology, to reach the purpose that runs without interruption with on-line maintenance.
Summary of the invention
Purpose of the present invention is exactly in order to overcome the defective that above-mentioned prior art exists, a kind of method of the competition type hot standby switching that is used for intelligent automatic train monitoring system of highly effective to be provided.
Purpose of the present invention can be achieved through the following technical solutions: be used for the method for the competition type hot standby switching of intelligent automatic train monitoring system, it is characterized in that this method comprises:
(1) two redundance unit links to each other with hot preparation controller by serial ports: two redundant each other equipment are connected to hot preparation controller by serial ports;
(2) by the competition of RTS signal being set or abandoning ownership: two redundant each other equipment are by being provided with the RTS high level signal of serial ports, check cts signal then, if CTS is a high level, then obtain ownership, if CTS is a low level, then keep heat to be equipped with state, the main control equipment that detects internal fault certainly can be abandoned ownership by the RTS low level signal is set;
(3) pass through constantly to send data to keep ownership to serial ports after obtaining ownership: main control equipment continues to send data to serial ports in predetermined distance, to keep its major state, in case stop to send data, hot preparation controller will be a low level at rearmounted its cts signal of pitch time;
(4) hot preparation controller allows signal to RTS request signal response CTS: hot preparation controller is being controlled the cts signal of two redundant each other equipment, only being provided with wherein at one time, one tunnel cts signal is a high level, another road is a low level, to indicate it whether to obtain ownership, try to be the first and import a road of RTS signal high level, it is high level that hot preparation controller is provided with its cts signal, and another road is a low level;
(5) hot preparation controller keeps cts signal to RTS signal continuity: hot preparation controller is therein behind one tunnel input RTS signal high level, it is high level that continuity keeps the cts signal on this road, up to behind predetermined distance, no longer detecting this serial ports has data to send, and still keeps its cts signal low level after receiving the RTS signal high level on another road therebetween;
(6) hot preparation controller is built serial data channel between two redundance units: two serial-port swap datas that redundance unit provides by hot preparation controller, realize information synchronization;
(7) redundance unit is connected with external interface by the data channel that hot preparation controller provides: hot preparation controller provides a plurality of data channel, and selects the main control equipment in the redundance unit to communicate by letter with external interface by change-over switch.
Compared with prior art, the present invention realizes the two-node cluster hot backup of key equipment unit and the dynamic redundancy of this equipment and external system interface, to obtain enough system reliabilities, supports to run without interruption.
The specific embodiment
The present invention will be further described below in conjunction with specific embodiment.
Two each other the equipment that is equipped with of heat be connected with hot preparation controller by standard serial port and compete the master control role, after main frame breakdown of equipment occurs and withdraws from competition, standby host obtains ownership rapidly and upgrades to main frame, when active and standby motor-driven attitude is switched, by the comprehensive redundancy that hot preparation controller and being connected of external interface dynamically switch simultaneously, its feature is as follows:
(1) two redundance unit links to each other with hot preparation controller by serial ports;
(2) by the competition of RTS signal being set or abandoning ownership;
(3) after obtaining ownership, pass through constantly to send data to keep ownership to serial ports;
(4) hot preparation controller allows signal to RTS request signal response CTS;
(5) continuity keeps cts signal to hot preparation controller to the RTS signal;
(6) hot preparation controller is built serial data channel between two redundance units;
(7) redundance unit is connected with external interface by the data channel that hot preparation controller provides;
Further limit as follows to feature of the present invention:
(1) two redundance unit links to each other with hot preparation controller by serial ports: two redundant each other equipment are connected to hot preparation controller by serial ports;
(2) by the competition of RTS signal being set or abandoning ownership: two redundant each other equipment are provided with the RTS high level signal of serial ports by software mode, check cts signal then,, then obtain ownership if CTS is a high level, if CTS is a low level, then keep heat to be equipped with state.Can abandon ownership by the RTS low level signal is set from the main control equipment that detects internal fault;
(3) pass through constantly to send data to keep ownership to serial ports after obtaining ownership: main control equipment continues to send data to serial ports in predetermined distance, to keep its major state, in case stop to send data, hot preparation controller will be a low level at rearmounted its cts signal of pitch time;
(4) hot preparation controller allows signal to RTS request signal response CTS: hot preparation controller is being controlled the cts signal of two redundant each other equipment, only being provided with wherein at one time, one tunnel cts signal is a high level, another road is a low level, whether has obtained ownership to indicate it.Try to be the first and import a road of RTS signal high level, it is high level that hot preparation controller is provided with its cts signal, and another road is a low level;
(5) hot preparation controller keeps cts signal to RTS signal continuity: hot preparation controller is therein behind one tunnel input RTS signal high level, it is high level that continuity keeps the cts signal on this road, up to behind predetermined distance, no longer detecting this serial ports has data to send, and still keeps its cts signal low level after receiving the RTS signal high level on another road therebetween;
(6) hot preparation controller is built serial data channel between two redundance units: two serial-port swap datas that redundance unit provides by hot preparation controller, realize information synchronization;
(7) redundance unit is connected with external interface by the data channel that hot preparation controller provides: hot preparation controller provides a plurality of data channel, and selects the main control equipment in the redundance unit to communicate by letter with external interface by change-over switch.
Claims (1)
1. be used for the method for the competition type hot standby switching of intelligent automatic train monitoring system, it is characterized in that this method comprises:
(1) two redundance unit links to each other with hot preparation controller by serial ports: two redundant each other equipment are connected to hot preparation controller by serial ports;
(2) by the competition of RTS signal being set or abandoning ownership: two redundant each other equipment are by being provided with the RTS high level signal of serial ports, check cts signal then, if CTS is a high level, then obtain ownership, if CTS is a low level, then keep heat to be equipped with state, the main control equipment that detects internal fault certainly can be abandoned ownership by the RTS low level signal is set;
(3) pass through constantly to send data to keep ownership to serial ports after obtaining ownership: main control equipment continues to send data to serial ports in predetermined distance, to keep its major state, in case stop to send data, hot preparation controller will be a low level at rearmounted its cts signal of pitch time;
(4) hot preparation controller allows signal to RTS request signal response CTS: hot preparation controller is being controlled the cts signal of two redundant each other equipment, only being provided with wherein at one time, one tunnel cts signal is a high level, another road is a low level, to indicate it whether to obtain ownership, try to be the first and import a road of RTS signal high level, it is high level that hot preparation controller is provided with its cts signal, and another road is a low level;
(5) hot preparation controller keeps cts signal to RTS signal continuity: hot preparation controller is therein behind one tunnel input RTS signal high level, it is high level that continuity keeps the cts signal on this road, up to behind predetermined distance, no longer detecting this serial ports has data to send, and still keeps its cts signal low level after receiving the RTS signal high level on another road therebetween;
(6) hot preparation controller is built serial data channel between two redundance units: two serial-port swap datas that redundance unit provides by hot preparation controller, realize information synchronization;
(7) redundance unit is connected with external interface by the data channel that hot preparation controller provides: hot preparation controller provides a plurality of data channel, and selects the main control equipment in the redundance unit to communicate by letter with external interface by change-over switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102081455A CN101513887A (en) | 2008-12-29 | 2008-12-29 | Method for competition type hot standby switching of intelligent automatic train monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102081455A CN101513887A (en) | 2008-12-29 | 2008-12-29 | Method for competition type hot standby switching of intelligent automatic train monitoring system |
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| CN101513887A true CN101513887A (en) | 2009-08-26 |
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| CNA2008102081455A Pending CN101513887A (en) | 2008-12-29 | 2008-12-29 | Method for competition type hot standby switching of intelligent automatic train monitoring system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987627A (en) * | 2010-11-04 | 2011-03-23 | 北京交通大学 | Distributed vehicle operation control system of urban rail transit |
| CN102001348A (en) * | 2010-12-06 | 2011-04-06 | 南京恩瑞特实业有限公司 | Realization method based on CPCI bus technology of dual module hot spare system switching |
| CN102221905A (en) * | 2011-07-14 | 2011-10-19 | 中国铁道科学研究院通信信号研究所 | Double-machine switch extending equipment |
| CN101648570B (en) * | 2009-08-31 | 2012-01-25 | 郑州三方软件技术有限公司 | Dual computer hot-standby switcher and dual computer hot-standby switching method |
| CN108828892A (en) * | 2018-05-28 | 2018-11-16 | 上海市政工程设计研究总院（集团）有限公司 | A kind of full-automatic water curtain projection traffic indication system for Impacts Evaluation of Urban Tunnel |
| CN109068445A (en) * | 2018-08-22 | 2018-12-21 | 广州景晴光电科技有限公司 | A kind of LED lamplight changing pattern wireless synchronous control method |
| CN111090235A (en) * | 2018-10-23 | 2020-05-01 | 株洲中车时代电气股份有限公司 | Control system switching device and method |
| CN111176108A (en) * | 2020-01-03 | 2020-05-19 | 湖北楚天智能交通股份有限公司 | Method, system and equipment for main and standby redundancy of drive test unit |
| CN112550382A (en) * | 2020-12-17 | 2021-03-26 | 卡斯柯信号有限公司 | Method for realizing redundancy switching of wireless communication channel for ground equipment |
| CN113682348A (en) * | 2021-08-25 | 2021-11-23 | 湖南中车时代通信信号有限公司 | Novel interlocking dual-computer switching method based on communication |
| WO2024036772A1 (en) * | 2022-08-18 | 2024-02-22 | 卡斯柯信号有限公司 | Switching system and switching method for multiple train supervision systems |
-
2008
- 2008-12-29 CN CNA2008102081455A patent/CN101513887A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648570B (en) * | 2009-08-31 | 2012-01-25 | 郑州三方软件技术有限公司 | Dual computer hot-standby switcher and dual computer hot-standby switching method |
| CN101987627A (en) * | 2010-11-04 | 2011-03-23 | 北京交通大学 | Distributed vehicle operation control system of urban rail transit |
| CN101987627B (en) * | 2010-11-04 | 2013-04-24 | 北京交通大学 | Distributed vehicle operation control system of urban rail transit |
| CN102001348A (en) * | 2010-12-06 | 2011-04-06 | 南京恩瑞特实业有限公司 | Realization method based on CPCI bus technology of dual module hot spare system switching |
| CN102221905A (en) * | 2011-07-14 | 2011-10-19 | 中国铁道科学研究院通信信号研究所 | Double-machine switch extending equipment |
| CN102221905B (en) * | 2011-07-14 | 2013-05-22 | 中国铁道科学研究院通信信号研究所 | Double-machine switch extending equipment |
| CN108828892A (en) * | 2018-05-28 | 2018-11-16 | 上海市政工程设计研究总院（集团）有限公司 | A kind of full-automatic water curtain projection traffic indication system for Impacts Evaluation of Urban Tunnel |
| CN109068445A (en) * | 2018-08-22 | 2018-12-21 | 广州景晴光电科技有限公司 | A kind of LED lamplight changing pattern wireless synchronous control method |
| CN111090235A (en) * | 2018-10-23 | 2020-05-01 | 株洲中车时代电气股份有限公司 | Control system switching device and method |
| CN111176108A (en) * | 2020-01-03 | 2020-05-19 | 湖北楚天智能交通股份有限公司 | Method, system and equipment for main and standby redundancy of drive test unit |
| CN112550382A (en) * | 2020-12-17 | 2021-03-26 | 卡斯柯信号有限公司 | Method for realizing redundancy switching of wireless communication channel for ground equipment |
| CN112550382B (en) * | 2020-12-17 | 2022-08-23 | 卡斯柯信号有限公司 | Method for realizing redundancy switching of wireless communication channel for ground equipment |
| CN113682348A (en) * | 2021-08-25 | 2021-11-23 | 湖南中车时代通信信号有限公司 | Novel interlocking dual-computer switching method based on communication |
| WO2024036772A1 (en) * | 2022-08-18 | 2024-02-22 | 卡斯柯信号有限公司 | Switching system and switching method for multiple train supervision systems |
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Open date: 20090826 |