International Journal of Modern Education and Computer Science (IJMECS)
IJMECS Vol. 3, No. 5, 8 Oct. 2011
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Adaptive Compensation of Unknown Actuator Failures for Strict-feedback Systems
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Author(s)
Jianping. Cai
1,*
Lujuan. Shen
1
Index Terms
Actuator failure, backstepping, nonlinear system, adaptive control, uncertain system
Abstract
Actuator failures are inevitable in practice especially in complex systems. The unknown failure may cause instability and catastrophic accidents during operation of control systems. A state feedback control scheme is proposed by using backstepping techniques. Compared with exist results, The uncertainties caused by total failure are seen as the bounded term and an estimator is designed to estimate its upper bound. The stability of closed loop system and output tracking performance can be guaranteed by our control law and corresponding update laws of uncertain parameters.
Cite This Paper
Jianping Cai, Lujuan Shen, "Adaptive Compensation of Unknown Actuator Failures for Strict-feedback Systems", International Journal of Modern Education and Computer Science(IJMECS), vol.3, no.5, pp.10-17, 2011. DOI:10.5815/ijmecs.2011.05.02
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