WO2019200671A1 - 一种用于铁路调度集中系统的主备机数据同步方法 - Google Patents

一种用于铁路调度集中系统的主备机数据同步方法 Download PDF

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WO2019200671A1
WO2019200671A1 PCT/CN2018/089469 CN2018089469W WO2019200671A1 WO 2019200671 A1 WO2019200671 A1 WO 2019200671A1 CN 2018089469 W CN2018089469 W CN 2018089469W WO 2019200671 A1 WO2019200671 A1 WO 2019200671A1
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data
data synchronization
information
module
standby
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PCT/CN2018/089469
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English (en)
French (fr)
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魏峰
林峰
王丽军
陈建鑫
刘克难
赵桂敏
刘珺
王美红
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北京全路通信信号研究设计院集团有限公司
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Priority to RS20201247A priority Critical patent/RS60936B1/sr
Priority to EP18911320.2A priority patent/EP3591803B1/en
Priority to EA201992404A priority patent/EA201992404A1/ru
Publication of WO2019200671A1 publication Critical patent/WO2019200671A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
    • B61L19/06—Interlocking devices having electrical operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/30—Trackside multiple control systems, e.g. switch-over between different systems
    • B61L27/33—Backup systems, e.g. switching when failures occur
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
    • H02J13/00018—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus using phone lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
    • H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
    • H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
    • B61L19/06—Interlocking devices having electrical operation
    • B61L2019/065—Interlocking devices having electrical operation with electronic means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/18—Network protocols supporting networked applications, e.g. including control of end-device applications over a network

Definitions

  • the present disclosure relates to a master-slave data synchronization method for a railway dispatching centralized system, and belongs to the field of data processing.
  • the Centralized Traffic Control (CTC) system is an important technical system for railway modernization.
  • key equipment of the CTC system such as servers and self-regulators, are designed with dual-machine redundancy for important services.
  • the standby machine is upgraded to the host to continue working to undertake service tasks, so that the system can automatically provide tasks without manual intervention, so the dual-machine data needs Synchronization is performed to ensure the implementation of the redundancy switching function.
  • the existing active and standby dual-machine data synchronization technologies all use the same communication channel for data synchronization, and all data needs to be synchronized. At the same time, only the host performs logical operations to complete information interaction with other machines, and the standby machine passes the same communication. The channel remains synchronized with the host, ignoring the need for synchronization of different data, and the reliability of using the same communication channel is low. When the channel fails, all synchronization is affected.
  • the present disclosure is directed to the shortcomings of the prior art described above, and in view of the need for different data to synchronize functions, a method and system for synchronizing data of a master and a backup machine for a railway dispatching centralized system is proposed.
  • a master-slave data synchronization method for scheduling a centralized CTC system divides program modules in the main and standby machines into data synchronization program modules and data asynchronous program modules; and needs data synchronization
  • Each of the data synchronization program modules establishes a communication connection channel, and the data synchronization program module of the host performs a logic operation on the data read by the module, and synchronizes the operation result to the corresponding backup machine through the communication connection channel.
  • the data synchronization program module; for the data asynchronous program module that does not need to perform data synchronization, the data asynchronous program modules of the main and standby machines respectively calculate the data read by each of them.
  • the dividing the main and standby program modules is divided according to whether the host program module and the standby program module can read and calculate the same data, and the host program module and the standby program module can read and calculate the same.
  • the data does not need to be synchronized, otherwise it needs to be synchronized.
  • the data synchronization program module includes a vehicle tracking module, an information buffer module, and an access processing module; and the data asynchronous program module includes a station representation information module.
  • the train tracking module is configured to receive the train operation information, the adjacent train information, the train check information, and the station representation information;
  • the information cache module is configured to receive the train information and the station representation information;
  • the indication information module is configured to receive the interlock representation information, the column control representation information, and the collection representation information;
  • the access processing module receives the approach operation information, the route plan information, the train order information, and the station representation information.
  • the communication connection channel is connected by using a TCP/IP network.
  • a communication connection channel is established for each of the data synchronization program modules.
  • a master-slave data synchronization system for scheduling a centralized CTC system, wherein the master-slave data synchronization system includes a host, a backup machine, and a communication connection channel;
  • the host includes a plurality of data synchronization program modules and a plurality of data asynchronous program modules;
  • the standby machine includes a plurality of data synchronization program modules and a plurality of data asynchronous program modules corresponding to the host program module;
  • the data synchronization program module of the host and the data synchronization program module of the standby device are connected through a communication connection channel, and the data synchronization program module of the host performs a logic operation on the data read by the host, and passes the operation result
  • the communication connection channel is synchronized to a data synchronization program module of the standby machine corresponding thereto; the data asynchronous program modules of the host and the standby machine respectively perform operations on the data read by the respective programs.
  • the beneficial technical effects brought by the present disclosure are: for the synchronization function requirements of different data, the program modules that need to perform data synchronization adopt different channels for data synchronization, so that each program module has its own synchronization channel, reducing the amount of data synchronization. To avoid mutual interference and improve the reliability and safety of the system.
  • Figure 1 Structure diagram of the main standby data synchronization system of the CTC system in the railway dispatching centralized set of the present disclosure.
  • the present disclosure is a method and system for synchronizing main and standby data for a railway dispatching centralized CTC system.
  • the embodiments of the present disclosure are described in detail below.
  • the same program module runs on the host and standby of the CTC system, and each program module performs different system functions, including the train tracking module, the information cache module, the station field information module, the access processing module, etc., and the train tracking module is used for The train number tracking and check is performed; the station indicating information module is used for receiving and processing the station signal device status indication information in real time; the information buffer module is used for buffering the station signal equipment status indication information and the train number information; the access processing module is used for Handle the manual operation and automatically trigger the approach.
  • the information cache module of the main and standby machines For example, the information cache module of the main and standby machines:
  • the information cache module of the host When the information cache module of the host starts, it requests all the train information to the train tracking module, and after receiving all the train information, it is cached in the memory and synchronized to the standby machine; the information indicating to the station field requests the entire station to indicate the information, and receives the information. After the entire station indicates the information, it is cached in the memory and synchronized to the standby machine.
  • the change train information and the whole train information sent by the train tracking module are compared with the locally cached train information. If there is a change, the local cache is updated and synchronized to the standby.
  • the receiving station field represents the changed station field representation information and the entire station field representation information sent by the information module, and is compared with the locally cached station field representation information, and if there is a change, the local cache is updated and synchronized to the standby machine. .
  • the standby machine After receiving the synchronized information, the standby machine directly updates the cache information of the machine.
  • a communication connection channel is established for each program module that needs to perform data synchronization, and the host program module performs a logic tracking operation on the data read by the host program module, and synchronizes the operation result to the corresponding standby program through the communication connection channel.
  • Module; the program module that does not need to synchronize data is operated by the host program module and the standby program module respectively.
  • the principle of dividing the main and backup program modules is: according to whether the host program module and the standby program module can read and calculate the same data, the host program module and the standby program module can read and calculate the same.
  • the data does not need to be synchronized, that is, the data asynchronous program module, and vice versa, the synchronization is required, that is, the data synchronization program module.
  • the data synchronization program module includes a vehicle tracking module, an information buffer module, and an access processing module; and the data asynchronous program module includes a station representation information module.
  • the communication connection channel is connected by using a TCP/IP network.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hardware Redundancy (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Safety Devices In Control Systems (AREA)
  • Multi Processors (AREA)

Abstract

本公开涉及一种用于铁路调度集中系统的主备机数据同步方法，所述方法将主备机中的程序模块划分为需要进行数据同步的程序模块和不需要进行数据同步的程序模块，并进行分别处理。本公开针对不同数据的同步功能需求，采用不同的方式进行数据同步，减少了同步数据量，提高了系统的可靠性。同时还提供了一种用于铁路调度集中CTC系统的主备机数据同步系统。

Description

一种用于铁路调度集中系统的主备机数据同步方法
本申请要求于2018年4月20日在中国专利局提交的、申请号为201810360345.6、发明名称为“一种用于铁路调度集中系统的主备机数据同步方法”的优先权，其全部内容通过引用结合在本申请中。
技术领域
本公开涉及一种用于铁路调度集中系统的主备机数据同步方法，属于数据处理领域。
背景技术
调度集中(Centralized Traffic Control,CTC)系统是铁路现代化的重要技术系统，为了提高系统的可靠性和安全性，CTC系统的关键设备例如服务器、自律机均采用双机冗余设计，对于重要的服务使用两台机器进行数据备份，共同执行同一服务。正常情况下，双机主备运行，当主机出现故障时，备机升级为主机继续工作承担服务任务，从而在不需要人工干预的情况下，自动保证系统能持续提供任务，因此双机数据需要进行同步，保证冗余切换功能的实现。
现有的主备双机数据同步技术均通过同一通信通道进行数据同步，并且所有数据均需进行同步，在同一时间只有主机进行逻辑运算，完成与其他机器的信息交互任务，备机通过同一通信通道保持与主机同步，其忽视了不同数据对同步功能的需求，并且使用同一通信通道可靠性低，当通道发生故障时，所有同步均受影响。
发明内容
本公开针对上述现有技术存在的缺陷，考虑到不同数据对同步功能的需求，提出一种用于铁路调度集中系统的主备机数据同步方法及系统。
本公开是通过以下技术方案来实现的：
一种用于调度集中CTC系统的主备机数据同步方法，所述方法将主、备机中的程序模块进行划分，分为数据同步程序模块和数据非同步程序模块；对需要进行数据同步的每个所述数据同步程序模块建立通信连接通道，由主机的所述数据同步程序模块对其读取到的数据进行逻辑运算，并将运算结果通过该通信连接通道同步到与其对应的备机的数据同步程序模块；对不需要进行数据同步的数据非同步程序模块，由主、备机的数据非同步程序模块分别对其各自读取到的数据进行运算。
进一步地，所述对主备机程序模块进行划分，是根据主机程序模块与备机程序模块是否能够读取和运算相同的数据进行划分，主机程序模块与备机程序模块能够读取和运算相同的数据则不需要同步，反之则需要同步。
进一步地，所述数据同步程序模块包括车次跟踪模块、信息缓存模块、进路处理模块；数据非同步程序模块包括站场表示信息模块。
进一步地，所述车次跟踪模块用于接收车次操作信息、邻站车次信息、车次校核信息、站场表示信息；所述信息缓存模块用于接收车次信息、站场表示信息；所述站场表示信息模块用于接收联锁表示信息、列控表示信息、采集表示信息；进路处理模块接收进路操作信息、进路计划信息、车次信息、站场表示信息。
进一步地，所述通信连接通道采用TCP/IP网络连接。
进一步地，对每个所述数据同步程序模块分别建立通信连接通道。
一种用于调度集中CTC系统的主备机数据同步系统，所述主备机数据同步系统包括主机，备机和通信连接通道；
所述主机包括多个数据同步程序模块和多个数据非同步程序模块；
所述备机包括与所述主机程序模块对应的多个数据同步程序模块和多个数据非同步程序模块；
其中，所述主机的数据同步程序模块与所述备机的数据同步程序 模块通过通信连接通道连接，所述主机的数据同步程序模块对其读取到的数据进行逻辑运算，并将运算结果通过所述通信连接通道同步到与其对应的所述备机的数据同步程序模块；所述主机和备机的数据非同步程序模块分别对其各自读取到的数据进行运算。
本公开带来的有益技术效果是：针对不同数据的同步功能需求，对需要进行数据同步的程序模块采用不同的通道进行数据同步，使每个程序模块都有自己的同步通道，减少数据同步量，避免互相干扰，提高了系统的可靠性和安全性。
附图说明
图1：本公开铁路调度集中CTC系统的主备机数据同步系统结构图。
具体实施方式
本公开是一种用于铁路调度集中CTC系统的主备机数据同步方法及系统，下面对本公开的实施例做详细描述。
在CTC系统的主机和备机上运行着同样的程序模块，各程序模块完成不同的系统功能，包括车次跟踪模块、信息缓存模块，站场表示信息模块、进路处理模块等，车次跟踪模块用于进行列车车次号跟踪和校核；站场表示信息模块用于实时接收和处理车站信号设备状态表示信息；信息缓存模块用于缓存车站信号设备状态表示信息和车次号信息；进路处理模块用于处理进路人工操作、进路自动触发。
针对数据有不同的同步策略，有些模块需要进行数据同步，有些模块不需要进行数据同步，因此，将主备机中的程序模块进行划分，分为需要进行数据同步的程序模块和不需要进行数据同步的程序模块两类，即多个数据同步程序模块和多个数据非同步程序模块。
例如主、备机的信息缓存模块：
1)主机的信息缓存模块启动时向车次跟踪模块请求全体车次信 息，收到全体车次信息后缓存在内存中，同时同步到备机；向站场表示信息模块请求全体站场表示信息，收到全体站场表示信息后缓存在内存中，同时同步到备机。
2)运行时，接收车次跟踪模块发送的变化车次信息和全体车次信息，与本地缓存的车次信息进行比较，如果有变化，则更新本地缓存，同时同步到备机。
3)运行时，接收站场表示信息模块发送的变化站场表示信息和全体站场表示信息，与本地缓存的站场表示信息进行比较，如果有变化，则更新本地缓存，同时同步到备机。
4)备机收到同步过来的信息后，直接更新本机的缓存信息。
进一步的，对需要进行数据同步的每个程序模块分别建立通信连接通道，主机程序模块对其读取到的数据进行逻辑跟踪运算，并将运算结果通过通信连接通道同步到与其对应的备机程序模块；不需要进行数据同步的程序模块则由主机程序模块和备机程序模块分别对其各自读取到的数据进行运算。
进一步的，对主备机程序模块进行划分的原则是：根据主机程序模块与备机程序模块是否能够读取和运算相同的数据进行划分，主机程序模块与备机程序模块能够读取和运算相同的数据则不需要同步，即为数据非同步程序模块，反之则需要同步，即为数据同步程序模块。
进一步的，所述数据同步程序模块包括车次跟踪模块、信息缓存模块、进路处理模块；数据非同步程序模块包括站场表示信息模块。
进一步的，所述通信连接通道采用TCP/IP网络连接。
以上所述仅为本公开的较佳实施例，并不能因此而理解为对本公开范围的限制，应当指出，对本领域的普通技术人员来说，在不脱离本公开构思的前提下，还可以做出若干变形和改进，这些都属于本公开的保护范围。

Claims (7)

  1. 一种用于铁路调度集中CTC系统的主备机数据同步方法，其特征在于：所述方法将主、备机中的程序模块进行划分，分为数据同步程序模块和数据非同步程序模块；对需要进行数据同步的每个所述数据同步程序模块建立通信连接通道，由主机的所述数据同步程序模块对其读取到的数据进行逻辑运算，并将运算结果通过该通信连接通道同步到与其对应的备机的数据同步程序模块；对不需要进行数据同步的数据非同步程序模块，由主、备机的数据非同步程序模块分别对其各自读取到的数据进行运算。
  2. 根据权利要求1所述方法，其特征在于：所述对主、备机的程序模块进行划分，是根据主机程序模块与备机程序模块是否能够读取和运算相同的数据进行划分，主机程序模块与备机程序模块能够读取和运算相同的数据则不需要同步，反之则需要同步。
  3. 根据权利要求1或2所述方法，其特征在于：所述数据同步程序模块包括车次跟踪模块、信息缓存模块、进路处理模块；所述数据非同步程序模块包括站场表示信息模块。
  4. 根据权利要求1-3任一所述方法，其特征在于：所述通信连接通道采用TCP/IP网络连接。
  5. 根据权利要求3所述方法，其特征在于：所述车次跟踪模块用于接收车次操作信息、邻站车次信息、车次校核信息、站场表示信息；所述信息缓存模块用于接收车次信息、站场表示信息；所述站场表示信息模块用于接收联锁表示信息、列控表示信息、采集表示信息；进路处理模块接收进路操作信息、进路计划信息、车次信息、站场表示信息。
  6. 根据权利要求1-5任一所述方法，其特征在于：对每个所述数据同步程序模块分别建立通信连接通道。
  7. 一种用于铁路调度集中CTC系统的主备机数据同步系统，所述主备机数据同步系统包括主机，备机和通信连接通道；
    所述主机包括多个数据同步程序模块和多个数据非同步程序模 块；
    所述备机包括与所述主机程序模块对应的多个数据同步程序模块和多个数据非同步程序模块；
    其特征在于：所述主机的数据同步程序模块与所述备机的数据同步程序模块通过通信连接通道连接，所述主机的数据同步程序模块对其读取到的数据进行逻辑运算，并将运算结果通过所述通信连接通道同步到与其对应的所述备机的数据同步程序模块；所述主机和备机的数据非同步程序模块分别对其各自读取到的数据进行运算。
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