Finite-frequency H∞ control for offshore platforms subject to parametric model uncertainty and practical hard constraints
In this paper, the problem of finite-frequency H∞ controller design for offshore platforms has been addressed. In order to comply with practical requirements, model uncertainties and physical hard constraints such as actuator saturation, maximum allowable displacement of the platform, and maximum de...
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sg-ntu-dr.10356-1427132020-06-29T02:05:13Z Finite-frequency H∞ control for offshore platforms subject to parametric model uncertainty and practical hard constraints Kazemy, Ali Lam, James Li, Xianwei School of Electrical and Electronic Engineering Engineering::Electrical and electronic engineering Finite-frequency Generalized KYP Lemma In this paper, the problem of finite-frequency H∞ controller design for offshore platforms has been addressed. In order to comply with practical requirements, model uncertainties and physical hard constraints such as actuator saturation, maximum allowable displacement of the platform, and maximum deflection of active mass damper (AMD) and the platform deck have been considered and incorporated into the controller design. Then, based on the generalized Kalman-Yakubovic-Popov (KYP) lemma, sufficient conditions have been established in the form of linear matrix inequalities (LMIs) to ensure the existence of the finite-frequency H∞ controller. Finally, a simplified platform model is utilized to illustrate the effectiveness of the proposed method. 2020-06-29T02:05:13Z 2020-06-29T02:05:13Z 2018 Journal Article Kazemy, A., Lam, J., & Li, X. (2018). Finite-frequency H∞ control for offshore platforms subject to parametric model uncertainty and practical hard constraints. ISA transactions, 83, 53-65. doi:10.1016/j.isatra.2018.08.007 0019-0578, https://hdl.handle.net/10356/142713 10.1016/j.isatra.2018.08.007 30166210 2-s2.0-85052329914 83 53 65 en ISA transactions © 2018 ISA. All rights reserved. |
| institution |
Nanyang Technological University |
| building |
NTU Library |
| country |
Singapore |
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DR-NTU |
| language |
English |
| topic |
Engineering::Electrical and electronic engineering Finite-frequency Generalized KYP Lemma |
| spellingShingle |
Engineering::Electrical and electronic engineering Finite-frequency Generalized KYP Lemma Kazemy, Ali Lam, James Li, Xianwei Finite-frequency H∞ control for offshore platforms subject to parametric model uncertainty and practical hard constraints |
| description |
In this paper, the problem of finite-frequency H∞ controller design for offshore platforms has been addressed. In order to comply with practical requirements, model uncertainties and physical hard constraints such as actuator saturation, maximum allowable displacement of the platform, and maximum deflection of active mass damper (AMD) and the platform deck have been considered and incorporated into the controller design. Then, based on the generalized Kalman-Yakubovic-Popov (KYP) lemma, sufficient conditions have been established in the form of linear matrix inequalities (LMIs) to ensure the existence of the finite-frequency H∞ controller. Finally, a simplified platform model is utilized to illustrate the effectiveness of the proposed method. |
| author2 |
School of Electrical and Electronic Engineering |
| author_facet |
School of Electrical and Electronic Engineering Kazemy, Ali Lam, James Li, Xianwei |
| format |
Article |
| author |
Kazemy, Ali Lam, James Li, Xianwei |
| author_sort |
Kazemy, Ali |
| title |
Finite-frequency H∞ control for offshore platforms subject to parametric model uncertainty and practical hard constraints |
| title_short |
Finite-frequency H∞ control for offshore platforms subject to parametric model uncertainty and practical hard constraints |
| title_full |
Finite-frequency H∞ control for offshore platforms subject to parametric model uncertainty and practical hard constraints |
| title_fullStr |
Finite-frequency H∞ control for offshore platforms subject to parametric model uncertainty and practical hard constraints |
| title_full_unstemmed |
Finite-frequency H∞ control for offshore platforms subject to parametric model uncertainty and practical hard constraints |
| title_sort |
finite-frequency h∞ control for offshore platforms subject to parametric model uncertainty and practical hard constraints |
| publishDate |
2020 |
| url |
https://hdl.handle.net/10356/142713 |
| _version_ |
1681057016353652736 |