Robust Tracking and Vibration Suppression for a Two-Inertia System by Combining Backstepping Approach With Disturbance Observer
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作者:
Bang, Jae Sung
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Seoul Natl Univ, Sch Elect Engn & Comp Sci, Automat & Syst Res Inst, Seoul 151744, South KoreaSeoul Natl Univ, Sch Elect Engn & Comp Sci, Automat & Syst Res Inst, Seoul 151744, South Korea
Bang, Jae Sung
[1
]
Shim, Hyungbo
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Seoul Natl Univ, Sch Elect Engn & Comp Sci, Automat & Syst Res Inst, Seoul 151744, South KoreaSeoul Natl Univ, Sch Elect Engn & Comp Sci, Automat & Syst Res Inst, Seoul 151744, South Korea
Shim, Hyungbo
[1
]
Park, Sang Kyun
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Hyundai Heavy Ind Co Ltd, Gyeonggi Do 446716, South KoreaSeoul Natl Univ, Sch Elect Engn & Comp Sci, Automat & Syst Res Inst, Seoul 151744, South Korea
Park, Sang Kyun
[2
]
Seo, Jin H.
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Seoul Natl Univ, Sch Elect Engn & Comp Sci, Automat & Syst Res Inst, Seoul 151744, South KoreaSeoul Natl Univ, Sch Elect Engn & Comp Sci, Automat & Syst Res Inst, Seoul 151744, South Korea
Seo, Jin H.
[1
]
机构:
[1] Seoul Natl Univ, Sch Elect Engn & Comp Sci, Automat & Syst Res Inst, Seoul 151744, South Korea
[2] Hyundai Heavy Ind Co Ltd, Gyeonggi Do 446716, South Korea
In this paper, we consider the problem of designing a robust controller for a two-inertia system which contains arbitrarily large (but bounded) model uncertainties and disturbances. The research is motivated by the fact that a two-inertia system represents most of an industrial robot arm system that has a flexible joint, for which vibration suppression and robust control against model uncertainties and external disturbances are very important. The proposed controller consists of two parts: the outer-loop controller designed by the backstepping approach and the inner-loop controller by the new partial disturbance observer (DOB). The DOB is responsible for compensating the input-matched uncertainties and disturbances, while the backstepping controller is designed for dealing with the rest. The proposed controller makes tracking error and vibration of the system suppressed within an arbitrarily small bound during operation time when full states are measured. The results are verified by simulations and experiments with a Luenberger observer.
机构:
Kwangwoon Univ, Dept Informat & Control Engn, Seoul, South KoreaSeoul Natl Univ, Sch Elect Engn & Comp Sci, ASRI, Seoul 151600, South Korea
Back, Juhoon
Shim, Hyungbo
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Seoul Natl Univ, Sch Elect Engn & Comp Sci, ASRI, Seoul 151600, South KoreaSeoul Natl Univ, Sch Elect Engn & Comp Sci, ASRI, Seoul 151600, South Korea
机构:
Korea Inst Sci & Technol, Intelligent Syst Control Res Ctr, Seoul 136791, South KoreaKorea Inst Sci & Technol, Intelligent Syst Control Res Ctr, Seoul 136791, South Korea
Choi, YJ
Yang, KJ
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机构:Korea Inst Sci & Technol, Intelligent Syst Control Res Ctr, Seoul 136791, South Korea
Yang, KJ
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Chung, WK
Kim, HR
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机构:Korea Inst Sci & Technol, Intelligent Syst Control Res Ctr, Seoul 136791, South Korea
Kim, HR
Suh, IH
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机构:Korea Inst Sci & Technol, Intelligent Syst Control Res Ctr, Seoul 136791, South Korea
机构:
Kwangwoon Univ, Dept Informat & Control Engn, Seoul, South KoreaSeoul Natl Univ, Sch Elect Engn & Comp Sci, ASRI, Seoul 151600, South Korea
Back, Juhoon
Shim, Hyungbo
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机构:
Seoul Natl Univ, Sch Elect Engn & Comp Sci, ASRI, Seoul 151600, South KoreaSeoul Natl Univ, Sch Elect Engn & Comp Sci, ASRI, Seoul 151600, South Korea
机构:
Korea Inst Sci & Technol, Intelligent Syst Control Res Ctr, Seoul 136791, South KoreaKorea Inst Sci & Technol, Intelligent Syst Control Res Ctr, Seoul 136791, South Korea
Choi, YJ
Yang, KJ
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机构:Korea Inst Sci & Technol, Intelligent Syst Control Res Ctr, Seoul 136791, South Korea
Yang, KJ
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Chung, WK
Kim, HR
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机构:Korea Inst Sci & Technol, Intelligent Syst Control Res Ctr, Seoul 136791, South Korea
Kim, HR
Suh, IH
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机构:Korea Inst Sci & Technol, Intelligent Syst Control Res Ctr, Seoul 136791, South Korea