Alarm voting method for three-redundancy system of airplane

Alarm voting method for three-redundancy system of airplane

The invention provides an alarm voting method for an aircraft tri-redundancy system. The alarm voting method comprises the following steps: collecting a maximum signal value, an intermediate signal value and a minimum signal value corresponding to each channel category; comparing the difference betw...

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Hauptverfasser: ZHANG WEIYE, ZHANG DI, LIANG ZHANLIN, LI SHU, YUAN XIAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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creator ZHANG WEIYE
ZHANG DI
LIANG ZHANLIN
LI SHU
YUAN XIAO
description The invention provides an alarm voting method for an aircraft tri-redundancy system. The alarm voting method comprises the following steps: collecting a maximum signal value, an intermediate signal value and a minimum signal value corresponding to each channel category; comparing the difference between the maximum signal value and the minimum signal value with a corresponding preset threshold value; judging that three channel signals of the corresponding channel type are all normal when the channel type is smaller than the threshold value, and outputting an intermediate signal value, otherwise, executing the next step; predicting the data of the current sampling period by using a Wiener filter, and calculating a predicted signal value of the current sampling period of the corresponding channel category; comparing differences between the predicted signal value and the maximum signal value, between the predicted signal value and the intermediate signal value and between the predicted signal value and the minimu
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subjects ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
title Alarm voting method for three-redundancy system of airplane
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