Variable structure control design on discrete-time systems from another viewpoint

W. J. Wang, G. H. Wu

研究成果: 雜誌貢獻期刊論文同行評審

21 引文 斯高帕斯(Scopus)

摘要

This paper considers the same problem of Furuta (1990) in discrete-time variable structure systems (VSS), but from a different viewpoint. A simple discrete-time variable structure control, which consists of an equivalent control Ueq=KeqX(k) and a discontinuous control Ud=KdX(k), is derived to stabilize the system globally. It should be emphasized that the discontinuous feedback gain Kd here is a vector with the same elements; i.e., Kd=kd[1 1... 1]. The concept of the equilibrium point of the diagonalized system instead of the transformation matrix-T in Furuta (1990) is utilized to determine the switching region. Since the derived switching surface for the control law is not only on the surface s(k)=0, but also in the vicinity of s(k)=0 (i.e., the switching region), the chattering along the sliding mode is reduced explicitly.

原文???core.languages.en_GB???
頁(從 - 到)1-16
頁數16
期刊Control, theory and advanced technology
8
發行號1
出版狀態已出版 - 3月 1992

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