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논문 기본 정보

자료유형
학술저널
저자정보
Kang Jo Hwang (숭실대학교) Jae Seong Jeong (숭실대학교) Hyeong-Joon Ahn (숭실대학교)
저널정보
Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Vol.34 No.12
발행연도
2017.12
수록면
897 - 902 (6page)
DOI
10.7736/KSPE.2017.34.12.897

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초록· 키워드

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The residual vibration during the high acceleration and deceleration of a motion stage degrades the manufacturingsystem productivity and lifespan. Although a passive RFC mechanism with a movable magnet track reduces the residual vibration of the system base, a magnet track resonance may occur according to the motion profile, and the mover inposition error increases due to the residual vibration of the magnet track. We investigated input-shaping methods for a linear motor motion stage with a passive RFC mechanism. An air-bearing linear motor motion stage with the passive RFC mechanism is built, and the dynamic characteristic of the passive RFC mechanism is identified using a freevibration test. Then, mover velocity profiles are generated using various input-shaping methods. Further, the effects of the input-shaping methods on the air-bearing linear motor motion stage are investigated by comparing the magnet track oscillation, settling time, and mover in-position error. Finally, several input-shaping methods are applied to reduce the mover rise-time delay for the proposed linear motor motion stage. A properly shaped input motion profile removes the residual vibration of the passive RFC mechanism without any additional devices, as well as reducing the transmitted reaction force and the in-position error.

목차

1. Introduction
2. Passive RFC Mechanism for a Linear Motor Motion Stage
3. Air-Bearing Linear Motion Stage with the Passive RFC Mechanism
4. Input-Shaping Method for the Air-Bearing Linear Motor Motion Stage with the Passive RFC
5. Conclusion
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