Incipient Fault Detection of Guided Missiles Based on Adaptive and Sliding-mode Observer

被引：0
|
作者：
Liu, Yongjin [1 ]
Zhang, Lin [1 ]
Wang, Wenfeng [1 ]
Ma, Xiaowei [1 ]
Wang, Jianjun [1 ]
机构：
[1] Air Force Engn Univ, Air Def & Antimissile Coll, Xian, Peoples R China
来源：
2016 PROGNOSTICS AND SYSTEM HEALTH MANAGEMENT CONFERENCE (PHM-CHENGDU) | 2016年
关键词：
adaptive and sliding mode observer; coordinate transformation; detection of incipient fault; unknown disturbance; NONLINEAR-SYSTEMS; DYNAMICAL-SYSTEMS; DIAGNOSIS; SUBJECT;
D O I：
暂无
中图分类号：
R-058 [];
学科分类号：
摘要：
An adaptive and sliding-mode observer (SMO) is designed for the incipient fault of guided missiles with unknown disturbance, which can not only estimate the incipient fault, but also have strong robustness against unknown disturbance. At first, the actuator fault and unknown disturbance are transformed into two subsystems by coordinate transformation; and then, an adaptive observer is designed to estimate the incipient fault for the subsystem which is free from disturbance, a sliding mode observer is designed to eliminate the effect of unknown disturbance for the subsystem which is affected by disturbance and incipient faults. At last, simulation results verify the efficiency of the proposed adaptive and sliding-mode observer based on incipient fault detection algorithm.
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页数：5
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