Abstract
In this paper, a sliding mode control with perturbation estimation (SMCPE) using an extended Kalman filter (EKF) is proposed for the motion tracking control of a micropositioning system with piezoelectric actuation. Based on the solely measurable position information, the EKF on-line estimates not only the velocity but also the hysteresis term, which are used by the SMCPE for real-time control. The feasibility of the proposed control scheme is demonstrated by experimental studies on a XYZ micropositioning stage prototype. Results show that the EKF-based sliding mode control can reduce the hysteresis to a negligible level and lead to a motion tracking with submicron accuracy, which provides a sound base of practical control of the micropositioning system for micro/nano scale manipulation.
| Original language | English |
|---|---|
| Title of host publication | 2010 IEEE International Conference on Automation and Logistics, ICAL 2010 |
| Pages | 427-432 |
| Number of pages | 6 |
| DOIs | |
| Publication status | Published - 17 Nov 2010 |
| Externally published | Yes |
| Event | 2010 IEEE International Conference on Automation and Logistics, ICAL 2010 - Shatin, Hong Kong Duration: 16 Aug 2010 → 20 Aug 2010 |
Conference
| Conference | 2010 IEEE International Conference on Automation and Logistics, ICAL 2010 |
|---|---|
| Country/Territory | Hong Kong |
| City | Shatin |
| Period | 16/08/10 → 20/08/10 |
Keywords
- Hysteresis compensation
- Micro/nano-positioning
- Nonlinear control
- Piezoelectric actuation
ASJC Scopus subject areas
- Control and Systems Engineering
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