MES (Manufacturing Execution System) client data caching method and system under unstable network environment

A technology for stabilizing network and data caching, applied in transmission system, memory address/allocation/relocation, electrical components, etc., can solve the problems of unstable MES client data caching method and system, etc.

Inactive Publication Date: 2016-06-29
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

[0004] Aiming at the time delay problem caused by the bad interaction between the MES system client and the server, the present invention proposes a MES client data caching method and system in an unstable network environment

Method used

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  • MES (Manufacturing Execution System) client data caching method and system under unstable network environment
  • MES (Manufacturing Execution System) client data caching method and system under unstable network environment

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Embodiment Construction

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0026] figure 1 It shows the frame diagram of the MES system client data cache mechanism, which is divided into the following parts according to different functions: memory data access unit, memory data cache management unit (MDCM), memory data incremental query unit and memory data cache (MDC) .

[0027] Memory data access unit: used to provide calling methods for each module of the client, and accept non-tracking information data requests from each module of the client.

[0028] Memory data cache management unit (MDCM): used to manage memory data cache, and analyze and process the requests of various client modules transmitted by the memory data access unit, and at the same time responsible for scheduling the memory data incremental query unit to request data from the MES system server.

[0029] Memory data incremental query unit: applied ...

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Abstract

The invention provides an MES (Manufacturing Execution System) client data caching method and system under an unstable network environment. An access request of an MES client for server non-tracking information data is processed by a client data caching module; a memory data access unit of the client data caching module receives the request, and transmits the request to a memory data caching management unit for processing; the memory data caching management unit processes the request, inquires a memory data cache, returns the requested data if the memory data cache has the requested data, and transmits the request to a memory data increment query unit if the memory data cache does not have the requested data; the memory data increment query unit accesses a server and returns the received request result to the memory data caching management unit, and the memory data caching management unit adds a data increment to the memory data cache. By adopting the method and the system, the time of access of the MES client to the server non-tracking information data can be greatly reduced; and meanwhile, the method and the system can be applied to the access requirements of each level of the system client.

Description

technical field [0001] The invention relates to an interactive processing method of non-tracking data between a MES system client and a server in the field of computer MES execution manufacturing systems, and specifically relates to an MES client data caching method and system in an unstable network environment. Background technique [0002] The Manufacturing Execution System (MES, Manufacturing Execution System) is a manufacturing-oriented management information system between the enterprise planning management system and industrial control. Through data transmission, it provides relevant personnel in the workshop with the execution of production plans, material consumption, and equipment status monitoring. And quality statistics and other information are not only the basic technical means to realize the agility of workshop production, but also an effective means to communicate the information island between the upper-level plan management and the lower-level control. In th...

Claims

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Application Information

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IPC IPC(8): H04L29/06G06F12/08
Inventor 董鹏翔张晓煜黄建中刘洋杨翼
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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