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Ming-Chang Pai 《International Journal of Control, Automation and Systems》2009,7(3):381-387
A discrete-time integral sliding mode control scheme is proposed to realize the problem of robust tracking and modeling following
for a class of uncertain linear systems. It will be shown that the proposed scheme guarantees the stability of closed-loop
system and achieves zero-tracking error in the presence of parameter uncertainties and external disturbances. The selection
of switching surface and the existence of sliding mode are two important issues, which have been addressed. This scheme assures
robustness against system uncertainties and disturbances. Chattering phenomenon and reaching phase are eliminated. Moreover,
the knowledge of upper bound of uncertainties is not required. Both the theoretical analysis and illustrative example demonstrate
the validity of the proposed scheme.
Recommended by Editorial Board member Ju Hyun Park under the direction of Editor Young IL Lee.
Ming-Chang Pai received the M.S. and Ph.D. degrees in Mechanical Engineering in 1994 and 1998 from Pennsylvania State University, State
College, P.A.. He is currently an Associate Professor in the Department of Automation Engineering at Nan-Kai University of
Technology. His research interests are in mechatronics, robots, robust control and nonlinear control. 相似文献
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运用特征子空间类高分辨方法的关键在于信号或噪声子空间的估计。实际上有些信号的统计特性通常随时间变化,为了得到参数的实时估计值,需要随时根据新的阵列接收数据对信号或噪声子空间进行更新?文中分析了一种自适应子空间估计算法,即MALASE(Maximum Likelihood Adaptive Subspaee Estimation)算法然后,把MALASE算法与最小范数(Mini—Norm)高分辨方位计算法相结合.并应用零点跟踪技术,提出了一种自适应Mini—Norm算法,可用于对时变的信号波达方向(DOA)进行跟踪估计。仿真结果验证了该算法具有较好的跟踪性能。 相似文献
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