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논문 기본 정보

자료유형
학술저널
저자정보
Ho Seong Lee (Gyeongsang National University) Sowon Jung (Gyeongsang National University) Seonghyun Ryu (Gyeongsang National University)
저널정보
한국기계가공학회 한국기계가공학회지 한국기계가공학회지 제19권 제6호
발행연도
2020.6
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1 - 8 (8page)

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초록· 키워드

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This paper proposes a method for measuring friction forces and creating a friction model for a rotary motion control system as well as an autonomous vehicle testbed. The friction forces versus the velocity were measured, and the viscous friction, Coulomb friction, and stiction were identified. With a nominal PID (proportional-integral-derivative) controller, we observed the adverse effects due to friction, such as excessive steady-state errors, oscillations, and limit-cycles. By adding an adequate friction model as part of the augmented nonlinear dynamics of a plant, we were able to conduct a simulation study of a motion control system that well matched experimental results. We have observed that the implementation of a model-based friction compensator improves the overall performance of both motion control systems, i.e., the rotary motion control system and the Altino testbed for autonomous vehicle development. By utilizing a better simulation tool with an embedded friction model, we expect that the overall development time and cost can be reduced.

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ABSTRACT
1. Introduction
2. Description of Motion Control Systems and Controller Structure
3. Tuning of Nominal PID Controller
4. Friction Measurement and Modeling
5. Results of Friction Compensation
6. Summary and Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2020-581-000656048