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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kuan-Lin Huang Yuan-Zhi Peng Jim-Wei Wu Mei-Yung Chen Li-Chen Fu |
| Copyright Year | 2011 |
| Abstract | In this paper, a novel design, control and implementation of a three degree-of-freedom (DOF) compact positioner is presented with high resolution in tens of nanometer-scale precision positioning and millimeter-level long travel range. According to the serial flexure mechanism design, whose motion comes from the elastic deformation of the flexure and the force allocation of five pairs of electromagnetic coils and permanent magnets, the precision positioner enables both horizontal and vertical actuations resulting in x-, y-, and z-motions respectively. Next, in order to improve the transient response and to suppress the vibration of the flexure suspension mechanism, an eddy current damper (ECD) is applied as a passive and noncontact resistance to vibration. Moreover, a laser interferometer sensing system is implemented to improve the positioning resolution of the stage. To maintain stability and robustness of the precision system, a decentralized adaptive sliding mode controller (DASMC) was implemented to overcome the overall situations of unmodeled system dynamics and external noises. From the experimental results, satisfactory performance has been observed, which means that the designated objectives of this research have been successfully attained, namely, (1)long working range, (2)high positioning resolution and (3)compact design. |
| Starting Page | 1062 |
| Ending Page | 1067 |
| File Size | 1207157 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781457710629 |
| ISSN | 10851992 |
| e-ISBN | 9781457710636 |
| e-ISBN | 9781457710612 |
| DOI | 10.1109/CCA.2011.6044458 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-09-28 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Force Coils Actuators Eddy currents Mathematical model Vibrations Conductors eddy current damper Precision motion control serial flexure mechanism compliant mechanism passive vibration suppression electromagnetic actuation |
| Content Type | Text |
| Resource Type | Article |
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