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Parameter identification and backstepping control of uncertain Lü system

✍ Scribed by Wu Xiao-Qun; Lu Jun-An

Publisher: Elsevier Science
Year: 2003
Tongue: English
Weight: 165 KB
Volume: 18
Category: Article
ISSN: 0960-0779
DOI: 10.1016/s0960-0779(02)00659-8

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✦ Synopsis

Backstepping design is proposed for controlling uncertain L€ u u system based on parameter identification. Firstly, an effective observer is designed to identify the unknown parameter of L€ u u system, then the backstepping method is applied to control the uncertain L€ u u system to bounded points. Furthermore, it can track any continuous or discrete target. Especially, the control law designed here avoids the divergence of 1=x and 1=x 2 in Ref. [Chaos, Solitons & Fractals 15 (2003) 897]. Finally numerical simulations are provided to show the effectiveness and feasibility of the developed design method.

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