Optimal Sensor Placement Based on Various Fault Detectability and Reliability Criteria

YANG Guang; LIU Guan-jun; LI Jin-guo; YANG Guo-feng

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Optimal Sensor Placement Based on Various Fault Detectability and Reliability Criteria

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- Optimal Sensor Placement Based on Various Fault Detectability and Reliability Criteria
- Acta Electronica Sinica Vol. 34, Issue 2, Pages: 348-351(2006)
- 作者机构：
  
  1. 空军装备研究院雷达所环境与可靠性试验中心,北京,100085
  2. 国防科技大学机电工程研究所,湖南,长沙,410073
  3. 空军装备研究院雷达所环境与可靠性试验中心北京,100085
  4. 国防科技大学机电工程研究所湖南长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN432
- Published Online：25 February 2006，
  
  Published：2006
- 稿件说明：
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YANG Guang, LIU Guan-jun, LI Jin-guo, et al. Optimal Sensor Placement Based on Various Fault Detectability and Reliability Criteria[J]. Acta Electronica Sinica, 2006, 34(2): 348-351.
DOI：

YANG Guang, LIU Guan-jun, LI Jin-guo, et al. Optimal Sensor Placement Based on Various Fault Detectability and Reliability Criteria[J]. Acta Electronica Sinica, 2006, 34(2): 348-351. DOI：

摘要

传感器布局优化是实现机电设备机内测试(BIT)系统设计优化的重要方法之一

保证系统对检测目标具有较好的检测效能是传感器布局优化的重要约束.通过测试信息模型分析

可知传感器自身可靠性问题将会影响系统效能的实现.本文在分析传感器故障概率对测试系统故障检测效能的影响的基础上

以传感器的故障概率和最小及传感器总价格最小为优化目标

以故障检测率、故障隔离率及虚警率为约束

基于系统故障——传感器的测试信息模型

设计并构建了一个传感器布局多目标优化的非线性整数规划模型(MINLP)

对其求解可得到BIT系统的传感器布局优化设计方案

并以某伺服BIT系统为例进行优化设计分析.

Abstract

Optimal sensor placement is one of the important methods for optimal design of mechatronic BIT system.Effective detection is the important constrain for optimal sensor placement.In fact the reliability of sensors must be considered while optimal designing the system because it would influence the effectiveness of system.Analyzed the detectable model

a mixed integer nonlinear programming (MINLP) model is proposed for optimal placement of sensors in this article.MINLP is based on detectable model of fault mode of equipment and sensors of BIT system.The objects of optimization are minimization of failure probability and cost of selected sensors.The constraints of this model involves the influence of failure probability of sensors on the FIR

FDR and FAR of mechatronic BIT systems.The solution can provide a optimal scheme for sensor placement.MINLP is applied to a detection system for a Servo system and its practicability is analyzed.

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