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Railway multi-work-type distributed simulation method and system based on cross-network and cross-distance

A technology of distributed simulation and simulation training system, which is applied in the field of distributed simulation methods and systems of various types of railways, which can solve problems such as data out-of-sync, inaccurate system simulation results, simulation server location reducing simulation speed, etc., and achieve data synchronization Problems, data interaction synchronization, and good application prospects

Active Publication Date: 2021-02-23
中国铁路郑州局集团有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, during the joint exercise of the multi-work and remote distributed simulation training system for railways across networks and distances, there is data out-of-sync when the modules in different regions communicate, which leads to inaccurate system simulation results; in addition, the star network structure of the railway private network The unreasonable setting of the location of the simulation server in the middle reduces the simulation speed to a certain extent

Method used

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  • Railway multi-work-type distributed simulation method and system based on cross-network and cross-distance
  • Railway multi-work-type distributed simulation method and system based on cross-network and cross-distance
  • Railway multi-work-type distributed simulation method and system based on cross-network and cross-distance

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] A distributed simulation method based on cross-network and cross-distance railway multi-work, such as figure 1 shown, including the following steps:

[0052] S101: Conduct simulation training for different training stages of different types of railway work through the training client;

[0053] S102: Complete the core computing tasks of the training client corresponding to each type of work through the simulation server;

[0054] S103: Statistically manage the dependencies of each training client representing the core computing process through the synchronization manager, and trigger and control the training client to perform simulation model calculations in sequence according to the dependency, and perform time stamp registration after the corresponding training client completes data transmission , and update the synchronization point registration after completing all the time stamp registrations in the synchronization cycle.

[0055] Such as figure 1 and image 3 S...

Embodiment 2

[0062] Such as figure 2 and Figure 4 As shown, the location selection of the simulation server is as follows:

[0063] The first step is to establish the network structure matrix of the simulation training system according to the data transmission volume per unit cycle of the LAN and the configuration of the training client; the network structure matrix F A Specifically:

[0064]

[0065] Among them, f 1 , f 2 , f 3 , f m Indicates the amount of data transmission per unit cycle of local area networks in the simulation training system, and the value of m is determined by the actual network structure of the system; matrix A=(a ij ) m×n Indicates the configuration of the training client in the simulation training system, a ij is a positive integer; matrix X=(x ij ) n×1 Indicates the unit cycle data transmission volume of each training client in the simulation training system.

[0066] The second step is to establish the railway private network structure matrix of ...

Embodiment 3

[0082] The specific situation of an actual cross-network and cross-distance distributed simulation training system for railways with multiple types of work and different places will be described.

[0083] The first step is to construct the network structure matrix F according to the actual situation of the system A :

[0084]

[0085] Among them, f 1 Indicates the data transmission volume per unit cycle of the local area network of the railway multi-work type remote distributed simulation training system A, f 2 Indicates the amount of data transmission per unit cycle of the local area network of the railway multi-work type remote distributed simulation training system B, f 3 Indicates the amount of data transmission per unit period of the local area network of the railway multi-work type remote distributed simulation training system C.

[0086] Matrix A=(a ij ) 3×10 Indicates the client configuration of the entire cross-network and cross-distance distributed simulation...

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Abstract

The invention discloses a railway multi-work-type distributed simulation method and system based on cross-network and cross-distance, relates to the field of railway simulation training, and is characterized in that the method comprises the steps: carrying out simulation training on different training stages of different work types of a railway through training clients; completing a core computingtask of the training client corresponding to each work type through a simulation server; counting and managing a dependency relationship representing a core calculation process in each training client through a synchronization manager, triggering and controlling the training clients to perform simulation model calculation in sequence according to the dependency relationship, and performing timestamp registration after the corresponding training clients complete data transmission; and after all timestamps are registered in the synchronization period, carrying out synchronization point registration updating. According to the invention, cross-network and cross-distance training subsystem joint drilling process data interaction synchronization can be realized, it is ensured that the simulation speed meets the real-time requirement, no extra hardware equipment needs to be added, and the method has a good application prospect.

Description

technical field [0001] The invention relates to the field of railway simulation training, more specifically, it relates to a distributed simulation method and system for railway multi-work types based on cross-network and cross-distance. Background technique [0002] The large-scale construction and operation of railways has made the training needs of railway employees continue to increase, and the railway multi-job joint simulation training system came into being. Railway multi-type joint simulation training systems are often distributed in different regions and have the characteristics of spanning distances. At the same time, each module of the system in the same area communicates through the internal LAN, and each module in different areas relies on the railway private network to connect to a star network structure for communication, so it also has the characteristics of cross-network. [0003] However, during the joint exercise of the distributed simulation training sys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B9/00
CPCG09B9/00
Inventor 赵捷黄成周李跃宗白淑芳章磊
Owner 中国铁路郑州局集团有限公司
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