Input Constrained Positioning Control for a Class of Euler-Lagrange Systems with Discontinuities
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- Zheng Kai
- K. Zheng and Y. Yao are with the Simulation and Control Center, Dept. of Control Science and Engineering, Harbin Institute of Technology
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- Shen Tielong
- T. Shen is with the Department of Mechanical Engineering, Sophia University
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- Yao Yu
- K. Zheng and Y. Yao are with the Simulation and Control Center, Dept. of Control Science and Engineering, Harbin Institute of Technology
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In this paper, a nonlinear positioning control scheme is proposed for a class of Euler-Lagrange systems acted by static friction. A compromise method of the constrained control input and the high accuracy position servo requirement is introduced to construct a PD -like controller. Based on the Filippov-framework, it's proved that the equilibrium point set of the closed-loop system is equal to the static solution set, which gives the maximum range of the state-steady servo error. By using the generalized Lyapunov method and Laselle's invariant principle, we prove that any trajectory of the closed-loop system will converge to the stationary set. Moveover, unlike the high gain feedback, the PD -like controller can regulate its feedback gain with respect to the servo error such that it is also available for the input constrained case. Finally, to demonstrate the proposed controller, some simulation results are presented.
収録刊行物
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- 電気学会論文誌C(電子・情報・システム部門誌)
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電気学会論文誌C(電子・情報・システム部門誌) 128 (3), 493-498, 2008
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390282679580887680
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- NII論文ID
- 10021131873
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- NII書誌ID
- AN10065950
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- ISSN
- 13488155
- 03854221
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- NDL書誌ID
- 9401231
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 使用不可