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基于模糊奇偶方程的PL/INS导航系统故障诊断

靳星 宋华 邱红专 王养柱

靳星, 宋华, 邱红专, 等 . 基于模糊奇偶方程的PL/INS导航系统故障诊断[J]. 北京航空航天大学学报, 2011, 37(6): 748-752.
引用本文: 靳星, 宋华, 邱红专, 等 . 基于模糊奇偶方程的PL/INS导航系统故障诊断[J]. 北京航空航天大学学报, 2011, 37(6): 748-752.
Jin Xing, Song Hua, Qiu Hongzhuan, et al. Fuzzy parity equation based fault diagnosis approach for PL/INS navigation system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(6): 748-752. (in Chinese)
Citation: Jin Xing, Song Hua, Qiu Hongzhuan, et al. Fuzzy parity equation based fault diagnosis approach for PL/INS navigation system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(6): 748-752. (in Chinese)

基于模糊奇偶方程的PL/INS导航系统故障诊断

详细信息
  • 中图分类号: TP 206+.3

Fuzzy parity equation based fault diagnosis approach for PL/INS navigation system

  • 摘要: 提出了一种伪卫星(PL, Pseudolite)/惯性导航(INS, Inertial Navigation System)组合导航系统多故障识别方法.分析了PL的常见故障及其数学模型,采用模糊奇偶方程方法对PL的常见故障进行诊断、隔离和参数识别.采用Takagi-Sugeno(T-S)模糊模型描述PL/INS组合导航系统,对于局部线性化模型建立全解耦奇偶方程,并对奇偶方程的残差进行融合,得到全局残差.结合残差利用卡尔曼滤波进行故障参数识别,给出了参数识别的约束条件.仿真结果表明:针对导航系统中多个PL信号同时发生多种故障的情况,此方法能有效检测故障,并能准确识别出故障模型参数.

     

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出版历程
  • 收稿日期:  2010-03-16
  • 网络出版日期:  2011-06-30

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