CN103107904A - Double-computer switching method of application server of ATS system control center - Google Patents
Double-computer switching method of application server of ATS system control center Download PDFInfo
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- CN103107904A CN103107904A CN201110362214XA CN201110362214A CN103107904A CN 103107904 A CN103107904 A CN 103107904A CN 201110362214X A CN201110362214X A CN 201110362214XA CN 201110362214 A CN201110362214 A CN 201110362214A CN 103107904 A CN103107904 A CN 103107904A
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Abstract
The invention provides a double-computer switching method of an application server of an ATS system control center. The double-computer switching method of the application server of the ATS system control center comprises that the application server is electrified, and arbitration of a host and a backup machine is carried out; data is initialized, and the initialized data is respectively sent to the host and the backup machine so as to be processed; the host and the backup machine simultaneously process data interaction between the application server and other modules in the ATS system; when the host is in fault, identification information of the backup machine is directly set to be in a host state, and a present host prompts a worker to repair a backup machine. Due to the facts that the host and the backup machine simultaneously process the data interaction between the application server and other modules, and hardware, software, received information and data, processing time and the like of the host and the backup machine are exactly the same, when switching is carried out between the host and the backup machine, synchronous delay brought by the fact that synchronous data and stored data are sent by the host to the backup machine is eliminated, and instantaneity of data synchronization of the host and the backup machine is greatly improved.
Description
Technical field
The present invention relates to the track traffic technical field, relate in particular to a kind of double machine switching method of ATS System Control Center application server.
Background technology
In current metro operation process, the fail safe of train operation is most important, so carried out many-sided safety Design in the development process of signal system.Under current train operation environment, when switching for the equipment of all dual-computer redundancies in the ATS system in signal system, the synchronous delay of data can not affect the safety issue of train operation, and can satisfy current needs, but, along with the development of track traffic and the user demand to speed, the synchronous real-time of data can become a factor that affects train operating safety.
in the signal system of present stage use, the switching mode of dual-computer redundancy is: utilize active and standby machine both sides' serial line interface and the method for software combination to realize detecting the function of change-over circuit and the data communication between active and standby machine, under this switching mode, the software and hardware structure of active and standby machine is identical, the masterslave state of each unit is determined by electric sequence, a side who first powers on enters the host work state automatically, after the person of powering on enter the standby host state, main frame is regularly accepted the status data of standby host, when receive time-out occurs when, main frame thinks that standby host breaks down, and the display unit by this unit is to user's signal of giving notice, so that immediately standby host being carried out off-line safeguards.Standby host is not completed application function in its work engineering, but the status data of regular Receiving Host, when receive time-out occurs when, standby host thinks that main frame breaks down, automatically cut the host work state, and by display unit to user's signal of giving notice, safeguard in order to original host is carried out off-line, standby host is the Backup Data of Receiving Host and carry out storage backup initiatively also.
In above-mentioned switching mode, at synchronization, only has main frame operation main program, standby host is only completed the synchronous and memory function of data, and standby host only has main frame to execute corresponding operation in carrying out the synchronous process of data, could needs are synchronous or data message storage send to standby host, standby host is processed again, and this makes, and in the switch between master and slave machines process, the operation monitoring to train has produced delay, thereby has caused the potential hazard of train operation.In addition, when main frame sends data to standby host, if hostdown can cause the loss of data, after standby host switches to Host Status, can produce erroneous judgement by the train running information to reality in the regular hour scope, increase the danger of operation.
Summary of the invention
In view of this, the invention provides a kind of double machine switching method of ATS System Control Center application server, the data synchronization delay problem that produces when being used for solving main frame and standby host switching.
A kind of double machine switching method of ATS System Control Center application server, the method comprises:
Application server powers on, and carries out the arbitration of main frame and standby host;
Data are carried out initialization, send to simultaneously described main frame and standby host to process initialization data;
Described main frame and standby host process simultaneously with system in the data interaction of other module;
When described hostdown, directly the identification information of described standby host is set to Host Status, and current main frame prompting staff repairs standby host; When described standby host fault, described main frame prompting staff repairs standby host;
When standby host accessed in described system again, main frame sent to standby host to carry out initialization the data of system's current state, to guarantee correctness and the synchronism of standby host primary data.
When described application server sends data to other modules, the identification information packing of described main frame and standby host is added in the data flow that will transmit, the processing module judgement main frame of network bottom layer and the identification information of standby host, if the information that standby host sends is ignored, the message that main frame is sent sends destination device to.
After carrying out the arbitration of main frame and standby host, if only have main frame in system, when carrying out initialization operation, only main frame is carried out initialization, after the standby host connecting system, main frame sends to standby host to carry out initialization system's current status data.
The foundation of carrying out the arbitration of main frame and standby host is electric sequence, the application server that first powers on is main frame, after the application server that powers on be standby host, the identification information of the application server that first powers on is set to Host Status, after the identification information of the application server that powers on be set to the standby host state.
In the double machine switching method of ATS System Control Center application server provided by the invention, main frame and standby host are processed the data interaction of application server and other module simultaneously, because the message data of the software and hardware of main frame and standby host, reception, processing time etc. are in full accord, therefore, when main frame and standby host switch, eliminate main frame and sent to standby host the synchronization delay that data synchronous and storage are brought, greatly improved main frame and the synchronous real-time of standby host data.In addition, send the more process of new data owing to having cancelled main frame to standby host, therefore reduced the risk that data are made mistakes, improved Security of the system and reliability.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to the accompanying drawing that provides other accompanying drawing.
Fig. 1 is the flow chart of the double machine switching method of ATS System Control Center application server provided by the invention;
Fig. 2 is the two-shipper switching construction schematic diagram of ATS System Control Center application server provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The double machine switching method of the ATS System Control Center application server that the embodiment of the present invention provides comprises as shown in Figure 1:
S11: application server powers on, and carries out the arbitration of main frame and standby host;
In the present embodiment, utilize the serial line interface of main frame and standby host both sides in prior art and method that the software arbitration combines to determine main frame and standby host.Detailed process is:
Application server powers on, and the Host Status of current machine is not set, and the main frame of application server and standby host state determine by electric sequence, and the application server that first powers on is main frame, after the application server that powers on be standby host.Wherein, carry out the setting of main frame and standby host by identification information, the identification information of the application server that first powers on is set to Host Status, after the identification information of the application server that powers on be set to the standby host state.
The process of software arbitration is: referring to Fig. 2, after an application server powers on, A powers on as application server, application server A checks whether serial ports receives the signal data that another application server B sends, if do not receive, only have current application server A work, it is main frame that current application server A is set, and main frame periodically sends the Host Status signal message by serial ports; After another station server B powers on, by the serial ports reception of data signal, if receive, illustrate that main frame exists, it is standby host that the current application server B is set, and standby host periodically sends standby host status signal information by serial ports.
S12: data are carried out initialization, send to simultaneously described main frame and standby host to process initialization data;
If main frame and standby host before initialization just operation and main frame and standby host judged completely, initialization data is sent to main frame and standby host simultaneously.
After main frame and standby host have judged, if only have main frame in system, when carrying out initialization operation, only main frame is carried out initialization, after the standby host connecting system, main frame sends to standby host to carry out initialization system's current status data.
S13: main frame and standby host process simultaneously with system in the data interaction of other module;
Because main frame and the standby host of application server all is connected in local area network (LAN), therefore can with system in other module communicate, when carrying out the data interaction of application server and other module, main frame and standby host be deal with data simultaneously, be that other module is when sending data-message to application server, send to simultaneously main frame and standby host, because hardware environment and the software environment of main frame and standby host are identical, so the data processed result for other module is on all four, in this case, just do not need main frame to send the data message that upgrades to standby host.
S14-S17: when hostdown, directly the identification information of standby host is set to Host Status, and current main frame prompting staff repairs standby host; When the standby host fault, main frame provides the staff to repair standby host.
Because main frame periodically sends state information to standby host by serial ports, standby host periodically sends state information to main frame by serial ports simultaneously, when standby host is overtime by the state information of serial ports Receiving Host, hostdown, at this moment, directly the identification information of standby host is set to Host Status, and current main frame prompting staff repairs standby host; If the state information of standby host by the serial ports Receiving Host is overtime, standby host fault, at this moment, main frame prompting staff repairs standby host.
S18: when standby host was again in connecting system, main frame sent to standby host to carry out initialization the data of system's current state, guaranteed correctness and the synchronism of standby host primary data.
in the method that the present embodiment provides, when carrying out information interaction due to application server and other module, main frame and standby host be deal with data simultaneously, be that main frame and standby host can send information to destination device simultaneously, therefore for destination device, can receive simultaneously the data that main frame and standby host send, this will certainly produce mixed opinion redundancy issue, in view of this, when application server sends data message to other module, the identification information packing of main frame and standby host is added in the data flow that will transmit, at first judge the sign of main frame and standby host in the processing module of network bottom layer, be the information that sends of standby host ignore if judge, the message that main frame is sent is sent to destination device, therefore solved the chaotic redundancy issue that two application servers send message simultaneously.
In the present embodiment, due to main frame and standby host process simultaneously with system in the data interaction of other module, therefore, main frame does not need to send more new data to standby host, serial ports between main frame and standby host just is used for transmitting the status signal data of main frame and standby host like this, therefore the function singleness of serial ports, more be convenient to the staff and safeguard.
In the double machine switching method of ATS System Control Center application server provided by the invention, main frame and standby host are processed the data interaction of application server and other module simultaneously, because the message data of the software and hardware of main frame and standby host, reception, processing time etc. are in full accord, therefore, when main frame and standby host switch, eliminate main frame and sent to standby host the synchronization delay that data synchronous and storage are brought, greatly improved main frame and the synchronous real-time of standby host data.In addition, send the more process of new data owing to having cancelled main frame to standby host, therefore reduced the risk that data are made mistakes, improved Security of the system and reliability.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. the double machine switching method of a train automatic monitoring ATS System Control Center application server, is characterized in that, the method comprises:
Application server powers on, and carries out the arbitration of main frame and standby host;
Data are carried out initialization, send to simultaneously described main frame and standby host to process initialization data;
Described main frame and standby host process simultaneously with system in the data interaction of other module;
When described hostdown, directly the identification information of described standby host is set to Host Status, and current main frame prompting staff repairs standby host; When described standby host fault, described main frame prompting staff repairs standby host;
When standby host accessed in described system again, main frame sent to standby host to carry out initialization the data of system's current state, to guarantee correctness and the synchronism of standby host primary data.
2. method according to claim 1, it is characterized in that, also comprise: when described application server sends data to other modules, the identification information packing of described main frame and standby host is added in the data flow that will transmit, the processing module judgement main frame of network bottom layer and the identification information of standby host, if the information that standby host sends is ignored, the message that main frame is sent sends destination device to.
3. method according to claim 1, is characterized in that, after carrying out the arbitration of main frame and standby host, if only have main frame in system, when carrying out initialization operation, only main frame is carried out initialization, after the standby host connecting system, main frame sends to standby host to carry out initialization the system initial state data.
4. method according to claim 1, it is characterized in that, described foundation of carrying out main frame and standby host arbitration is electric sequence, the application server that first powers on is main frame, after the application server that powers on be standby host, the identification information of the application server that first powers on is set to Host Status, after the identification information of the application server that powers on be set to the standby host state.
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| CN201110362214XA CN103107904A (en) | 2011-11-15 | 2011-11-15 | Double-computer switching method of application server of ATS system control center |
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| CN201110362214XA CN103107904A (en) | 2011-11-15 | 2011-11-15 | Double-computer switching method of application server of ATS system control center |
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| WO2016183967A1 (en) * | 2015-05-19 | 2016-11-24 | 中兴通讯股份有限公司 | Failure alarm method and apparatus for key component, and big data management system |
| CN107390511A (en) * | 2016-05-17 | 2017-11-24 | 西门子公司 | For the method for the automated system for running redundancy |
| CN110784354A (en) * | 2019-10-30 | 2020-02-11 | 北京大米未来科技有限公司 | Data processing method, device, system and readable storage medium |
| CN111169510A (en) * | 2018-11-09 | 2020-05-19 | 通号城市轨道交通技术有限公司 | Train communication system |
| CN113141418A (en) * | 2021-05-17 | 2021-07-20 | 卡斯柯信号有限公司 | Data communication method, electronic equipment and storage medium applied to CTC multi-center |
| CN113190385A (en) * | 2021-05-21 | 2021-07-30 | 卡斯柯信号有限公司 | Data synchronization method for master and standby machines of station application server |
| CN113830134A (en) * | 2021-08-25 | 2021-12-24 | 通号城市轨道交通技术有限公司 | Vehicle-mounted ATP (automatic train protection) dual-system switching method and logic unit of vehicle-mounted ATP |
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| WO2016183967A1 (en) * | 2015-05-19 | 2016-11-24 | 中兴通讯股份有限公司 | Failure alarm method and apparatus for key component, and big data management system |
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| CN107390511B (en) * | 2016-05-17 | 2021-12-07 | 西门子公司 | Method for operating redundant automation systems |
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| CN113141418A (en) * | 2021-05-17 | 2021-07-20 | 卡斯柯信号有限公司 | Data communication method, electronic equipment and storage medium applied to CTC multi-center |
| CN113141418B (en) * | 2021-05-17 | 2022-08-16 | 卡斯柯信号有限公司 | Data communication method, electronic equipment and storage medium applied to CTC multi-center |
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| CN113830134A (en) * | 2021-08-25 | 2021-12-24 | 通号城市轨道交通技术有限公司 | Vehicle-mounted ATP (automatic train protection) dual-system switching method and logic unit of vehicle-mounted ATP |
| CN113830134B (en) * | 2021-08-25 | 2024-03-15 | 通号城市轨道交通技术有限公司 | Vehicle-mounted ATP double-system switching method and logic unit of vehicle-mounted ATP |
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Inventor after: Zhang Jie Inventor after: Tang Bin Inventor after: Zhu Hengguo Inventor before: Zhang Jie |
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Effective date of registration: 20160718 Address after: 21, building 7, building 189, 410600 Renmin East Road, Changsha economic and Technological Development Zone, Hunan, Changsha Applicant after: Hunan CRRC Times Communications Signal Co., Ltd. Address before: 100070, No. 1, No. 6, No. 188, South Fourth Ring Road, Fengtai District, Beijing Applicant before: Beijing CSR Times Information Technology Co., Ltd. |
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Application publication date: 20130515 |