[1]胡晓强,张霄力,彭侠夫.四轴陀螺组件突变故障的检测与隔离[J].哈尔滨工程大学学报,2021,42(2):214-219,272.[doi:10.11990/jheu.201907091]
 HU Xiaoqiang,ZHANG Xiaoli,PENG Xiafu.Fault detection and isolation of abrupt fault for a gyro-quadruplet[J].Journal of Harbin Engineering University,2021,42(2):214-219,272.[doi:10.11990/jheu.201907091]
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四轴陀螺组件突变故障的检测与隔离(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
42
期数:
2021年2期
页码:
214-219,272
栏目:
出版日期:
2021-02-05

文章信息/Info

Title:
Fault detection and isolation of abrupt fault for a gyro-quadruplet
作者:
胡晓强 张霄力 彭侠夫
厦门大学 航空航天学院, 福建 厦门 361101
Author(s):
HU Xiaoqiang ZHANG Xiaoli PENG Xiafu
School of Aerospace Engineering, Xiamen University, Xiamen 361001, China
关键词:
捷联惯导四轴陀螺组件故障诊断系统重构奇偶残差广义似然比法信号分析斜率突变检测
分类号:
U666.16
DOI:
10.11990/jheu.201907091
文献标志码:
A
摘要:
针对基于等价空间原理的传统诊断算法无法实现捷联惯导四轴陀螺组件故障分离的问题,本文提出了基于广义似然比法和斜率突变检测相结合的故障检测与隔离方法。分析对比了2种四轴陀螺冗余配置方案的量测性能与故障检测性能;以奇偶残差构建卡方检测量,采用广义似然比法对四轴陀螺组件进行故障检测;引入最小二乘方法拟合陀螺输出斜率,通过陀螺输出数据的斜率变化定位故障陀螺,并记录故障信息,实现系统重构。通过仿真验证证明:所提出的方法可以快速准确的识别故障器件,保证惯性系统陀螺组件的可靠性。

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相似文献/References:

[1]程建华,孙湘钰,牟宏杰,等.冗余式捷联惯导系统多故障的检测与隔离[J].哈尔滨工程大学学报,2018,39(02):358.[doi:10.11990/jheu.201703029]
 CHENG Jianhua,SUN Xiangyu,MU Hongjie,et al.Multi-fault detection and isolation for redundancy strapdown inertial navigation system[J].Journal of Harbin Engineering University,2018,39(2):358.[doi:10.11990/jheu.201703029]

备注/Memo

备注/Memo:
收稿日期:2019-07-28。
基金项目:惯性技术国防重点实验室基金项目(61425060201162506007).
作者简介:胡晓强,男,博士研究生;张霄力,男,副教授;彭侠夫,男,教授,博士生导师.
通讯作者:张霄力,E-mail:zhxl@xmu.edu.cn.
更新日期/Last Update: 2021-02-27