CHATTERING REDUCTION OF SLIDING MODE CONTROL BY LOW-PASS FILTERING THE CONTROL SIGNAL

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Title:	CHATTERING REDUCTION OF SLIDING MODE CONTROL BY LOW-PASS FILTERING THE CONTROL SIGNAL
Authors:	Tseng, ML (Tseng, Ming-Lei) Chen, MS (Chen, Min-Shin)
Contributors:	機械系
Keywords:	VARIABLE STRUCTURE CONTROL NONLINEAR-SYSTEMS
Date:	2010-12
Issue Date:	2011-12-12 13:28:42 (UTC+8)
Abstract:	The conventional approach to reducing control signal chattering in sliding mode control is to use the boundary layer design. However, when there is high-level measurement noise, the boundary layer design becomes ineffective in chattering reduction. This paper, therefore, proposes a new design for chattering reduction by low-pass filtering the control signal. The new design is non-trivial since it requires estimation of the sliding variable via a disturbance estimator. The new sliding mode control has the same performance as the boundary layer design in noise-free environments, and outperforms the boundary layer design in noisy environments.
Appears in Collections:	[Department of Mechanical Engineering ] journal articles

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