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The Design of Sliding Mode Controller for Precision Stage using Genetic Algolithm  

Cho, Baek-Hee (김천대학 자동차기계계열)
Seong, Hwal-Gyeong (창원대학교 공과대학 조선공학과)
Publication Information
Journal of the Korean Society of Manufacturing Technology Engineers / v.19, no.1, 2010 , pp. 101-107 More about this Journal
Abstract
This paper presents motion control of the precision stage composed of the piezoelectric actuator and flexible hinges. The stage shows approximately 27% overshoot when the stage was applied to 30V square wave input voltage. Also, the stage shows nonlinear response characteristics including hysteresis. This paper proposes feedback control technique to suppress the phenomenon of hysteresis and overshoot using the sliding mode control scheme with the integrator. Also, this paper suggests the method that searches important parameters of sliding mode control and observer using Genetic Algorithm. To demonstrate the effectiveness of the proposed control algorithm, experimental validations are performed.
Keywords
Piezo Actuator; Precision Stage; Sliding Mode Control; Genetic Algorithm;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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