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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Erdem, E.Y. Abidi, K. Sabanovic, A. |
| Copyright Year | 2006 |
| Description | Author affiliation: Mechatronics Program, Sabanci Univ., Istanbul (Erdem, E.Y.) |
| Abstract | In this paper an estimate of the upper bound of control error for discrete-time implementation of a sliding mode control (DTSMC) combined with disturbance observer is investigated. Having in mind application to PZT high bandwidth actuators and since high accuracy is required the special attention is paid to avoid chattering. Selected structure of proposed SMC controller is proven to offer chattering-free motion. The proposed structure also avoids deadbeat poles that are the cause of large control action which is not desirable in practical applications. The proposed scheme is shown to allow a maximum error bound of O(T) for the system with disturbance. The main disturbances are represented by hysteresis and the time variation of the piezo stack parameters. The evaluation of the upper bound of error in such a system is shown and experimentally verified. Closed-loop experiments are presented using the proposed method to verify the theoretical results |
| Starting Page | 224 |
| Ending Page | 228 |
| File Size | 220240 |
| Page Count | 5 |
| File Format | |
| ISBN | 0780395111 |
| DOI | 10.1109/AMC.2006.1631662 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-03-27 |
| Publisher Place | Turkey |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Error correction Sliding mode control Hysteresis Upper bound Motion control Computer errors Piezoelectric actuators Voltage Electric variables control Mechatronics |
| Content Type | Text |
| Resource Type | Article |
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