Microprocessor-Based Fuzzy Decentralized Control of 2-D Piezo-Driven Systems

doi:10.1109/TIE.2007.907669

機構典藏 > College of Engineering > Graduate Institute & Department of Electrical Engineering > Journal Article > Item 987654321/50570

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Title:	Microprocessor-Based Fuzzy Decentralized Control of 2-D Piezo-Driven Systems
Authors:	黃志良;Hwang, Chih-lyang
Contributors:	淡江大學電機工程學系
Keywords:	2-D piezo-driven system (2DPDS);Classic fuzzy control;Classic fuzzy control (CFC);Decentralized control;Fuzzy sliding-mode control;Microprocessor control;PID control;Two-dimensional piezo-driven system;decentralized control;fuzzy sliding-mode control (FSMC);microprocessor control;proportional–integral–differential (PID) control
Date:	2008-03-01
Issue Date:	2010-08-09 19:53:34 (UTC+8)
Publisher:	Institute of Electrical and Electronics Engineers (IEEE)
Abstract:	In this paper, the trajectory tracking of a 2-D piezo-driven system (2DPDS) using microprocessor-based fuzzy decentralized control (MBFDC) is developed. It is known that the piezoelectric actuator contains hysteresis, which is not one-to-one mapping and memoryless nonlinearity. Due to this nonlinearity and the coupling characteristic of the 2DPDS, an effective decentralized control is difficult to design. From the very beginning, the suitable coefficients of switching surface are assigned to stabilize the dynamics of switching surface and to shape the response of tracking error. Based on the data of input/output, two scaling factors are employed to normalize the switching surface and its derivative. According to the concept of if-then rule, an appropriate rule table for the ith subsystem is then achieved. This table is skew symmetric about the diagonal line; the absolute value of this table is proportional to the distance to the diagonal line. According to the system stability, the output-scaling factor is determined. Finally, a sequence of experiments including the trajectory tracking using MBFDC, proportional-integral-differential control, and classic fuzzy control is carried out to confirm the usefulness of the proposed control system.
Relation:	IEEE Transactions on Industrial Electronics 55(3), pp.1411-1420
DOI:	10.1109/TIE.2007.907669
Appears in Collections:	[Graduate Institute & Department of Electrical Engineering] Journal Article

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