Adaptive LQ Control Based Actuator Failure Compensation

被引：0
|
作者：
Wen, Liyan [1 ]
Tao, Gang [2 ,3 ]
Yang, Hao [1 ]
Chen, Fuyang [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 210016, Jiangsu, Peoples R China
[2] Univ Virginia, Dept Elect & Comp Engn, Charlottesville, VA 22903 USA
[3] Nanjing Univ Aeronaut & Astronaut, Nanjing, Jiangsu, Peoples R China
来源：
2016 AMERICAN CONTROL CONFERENCE (ACC) | 2016年
基金：
美国国家科学基金会;
关键词：
LINEAR REGULATOR;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
An adaptive failure compensation control scheme is developed based on linear quadratic (LQ) control for discrete-time possibly nonminimum phase systems with unknown actuator failures with characterizations that some unknown system inputs are stuck at some unknown fixed or varying values at unknown time instants. The failure compensation control problem is formulated as a new LQ control problem. Based on some results on new controller structures and design conditions developed in [9], a stable adaptive law is proposed for the estimation of uncertain parameters from both the plant and actuator-failures. The adaptive failure compensation controller is implemented with adaptive parameter estimates, for achieving closed-loop stability and output regulation. Simulation results are presented to verify the desired adaptive control performance in the presence of uncertain actuator failures.
引用
收藏
页码：2011 / 2016
页数：6
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