Lujuan. Shen

Work place: Zhejiang Water Conservancy And Hydropower College /Basic Teaching Department, Hangzhou, P.R.China



Research Interests: Computational Mathematics, Mathematics of Computing, Mathematics


Lujuan. Shen was born in 1978. She received her M.S. degree in Department of Mathematics, Hangzhou Normal University in 2004. She is currently a lecture in Zhejiang Water Conservancy And Hydropower College. Her main research interest is applied mathematics. 

Author Articles
Adaptive Compensation of Unknown Actuator Failures for Strict-feedback Systems

By Jianping. Cai Lujuan. Shen

DOI:, Pub. Date: 8 Oct. 2011

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.

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