Data processing method and device based on redundant equipment system

A technology of redundant equipment and data processing, which is applied in the direction of response error generation, memory address/allocation/relocation, etc., and can solve problems such as inaccurate system data

Active Publication Date: 2013-11-13
ZHEJIANG SUPCON TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides an update method and device based on a redundant equipment system, aiming to solve the problem of inaccurate data output by the system due to abnormal update of the existing redundant system system

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  • Data processing method and device based on redundant equipment system
  • Data processing method and device based on redundant equipment system
  • Data processing method and device based on redundant equipment system

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Embodiment Construction

[0043] The embodiment of the present invention discloses a data processing method and device based on a redundant equipment system. The core invention is that when updating data in each redundant equipment, when a redundant equipment is in the update state , other redundant devices do not update, and during the update process, the final output of the system is determined by voting with the output of each redundant device without data replacement failure.

[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[00...

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Abstract

The embodiment of the invention provides a data processing method and a data processing device based on a redundant equipment system. The method is characterized in that when data stored in redundant equipment is replaced by updating data, data stored in all redundant equipment is replaced in sequence according to determined updating orders; when one piece of redundant equipment is in the data replacing process, data stored in other redundant equipment is not replaced, so that when data stored in one piece of redundant equipment is updated, data stored in other redundant equipment is enabled to be determined and stable; therefore even if the updating is abnormal, the output of all redundant equipment is not influenced; and due to the fact that the output of the system is determined by the output tables of all redundant equipment which is free of data replacing faults, the output of the whole system is not influenced when the updating is abnormal.

Description

technical field [0001] The invention relates to the field of industrial control, in particular to a data processing method and device based on a redundant equipment system. Background technique [0002] In basic control systems and safety monitoring systems, redundant equipment systems are often used to ensure safety and reliability. The so-called redundant equipment system refers to a system that uses two or more identical equipment to work simultaneously and back up each other. . [0003] When updating the redundant equipment system, once an abnormality occurs in the updating process, it will cause the failure of data and program updating, and affect the accuracy of the final output data of the redundant equipment system. Contents of the invention [0004] In view of this, an embodiment of the present invention provides an update method and device based on a redundant equipment system, aiming to solve the problem of inaccurate data output by the system due to abnormal u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/07G06F12/02
Inventor 刘志勇裘坤江竹轩朱杰
Owner ZHEJIANG SUPCON TECH
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