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High-adaptability redundancy signal voting method

A redundant and adaptable technology, applied in the voting field, achieves the effects of high reliability, strong adaptability and good portability

Inactive Publication Date: 2021-04-02
中国航发控制系统研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, for the voting needs that cannot achieve high adaptability and high reliability in multiple signal redundancy

Method used

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  • High-adaptability redundancy signal voting method

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0021] In order to realize the accurate voting of signal, the redundancy signal voting method of the present invention comprises the following steps:

[0022] Step 1, obtaining a plurality of required sampling signals, the plurality of sampling signals can form a redundancy signal, and prioritizing all the sampling signals;

[0023] Specifically, when prioritizing, the sampling signals are sorted according to reliability, response speed, and control accuracy. Determination is well known to those skilled in the art, and will not be repeated here. In the embodiment of the present invention, the redundancy refers to the same control signal. Because it is more important, multiple acquisition sensors or devices are used to obtain multiple sampling values. The specific situation of the redundancy is consistent with the existing one. It is well known to those in the...

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Abstract

The invention relates to a high-adaptability redundancy signal voting method. The method comprises the following steps: 1, carrying out priority ranking on sampling signals; 2, obtaining a required preliminary redundancy effective sampling signal; 3, selecting three sampling signals with the highest priority, comparing the states of the selected three sampling signals to obtain a corresponding sampling small value, a sampling medium value and a sampling large value, and selecting the sampling medium value as a signal voting value; 4, calculating to obtain a first difference value and a seconddifference value, and comparing the first difference value and the second difference value with a preset redundancy deviation threshold value to obtain a compared redundancy effective sampling signal;and 5, determining to obtain a signal voting value according to the number of the compared redundancy effective sampling signals, and performing required signal voting by utilizing the signal votingvalue. The method is high in adaptability, high in reliability and good in transportability.

Description

technical field [0001] The invention relates to a voting method, in particular to a highly adaptable redundancy signal voting method. Background technique [0002] In the FADEC system, in order to achieve reliable and stable control, the key signal is usually designed with redundancy. Therefore, it is very critical to vote for a more reliable signal from multiple signal redundancy as an effective signal for control. At present, the voting requirements of high adaptability and high reliability cannot be realized in multiple signal redundancy. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a highly adaptable redundancy signal voting method, which has strong adaptability, high reliability and better portability. [0004] According to the technical solution provided by the present invention, a highly adaptable redundant signal voting method, the redundant signal voting method includes the fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B9/03
CPCG05B9/03
Inventor 郭潇晟李志鹏邢林李辉刘杰
Owner 中国航发控制系统研究所