Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/70405
標題: Discrete-time adaptive fuzzy control with hysteresis observer for a three-axis flexure stage
作者: Lin, L.C.
Li, H.C.
關鍵字: flexure stage
adaptive control
hysteresis observer
fuzzy function
approximator
piezoceramic actuator system
preisach model
displacement control
tracking control
compensation
design
期刊/報告no:: Journal of the Chinese Institute of Engineers, Volume 31, Issue 6, Page(s) 897-911.
摘要: This paper first derives the discrete-time dynamic model, including hysteresis effect. for a three-axis piezoactuated micro/nano flexure stage. Based on the discrete-time model, an adaptive controller with hysteresis variables observer is designed via Lyapunov stability theory. In the stable adaptive controller, a fuzzy function approximator with normalized gradient parameters update law is included to compensate for the identification inaccuracy, model uncertainty, and flexure coupling effects. Simulation results are used for illustrating control performance.
URI: http://hdl.handle.net/11455/70405
ISSN: 0253-3839
文章連結: http://dx.doi.org/10.1080/02533839.2008.9671445
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