職員瀏覽: A perturb e d Port-Hamiltonian approach for the stabilization of homogeneous reaction systems via the control of vessel extents

A perturb e d Port-Hamiltonian approach for the stabilization of homogeneous reaction systems via the control of vessel extents

The paper proposes a tracking-error passivity-based control scheme for the asymptotic stabilization of homogeneous reaction systems. The approach uses the concept of vessel extents in the Port-Hamiltonian (PH) framework. Concretely, the extent-based representation that is obtained by linear time-inv...

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Main Authors:	Nguyen, T. Sang, Tan, C. K., Hoang, N. Ha, Hussain, M. A., Bonvin, D.
格式:	Article
出版:	Elsevier 2021
主題:	QA75 Electronic computers. Computer science TA Engineering (General). Civil engineering (General)
在線閱讀:	http://eprints.um.edu.my/26807/
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id	my.um.eprints.26807
record_format	eprints
spelling	my.um.eprints.268072022-02-24T07:10:09Z http://eprints.um.edu.my/26807/ A perturb e d Port-Hamiltonian approach for the stabilization of homogeneous reaction systems via the control of vessel extents Nguyen, T. Sang Tan, C. K. Hoang, N. Ha Hussain, M. A. Bonvin, D. QA75 Electronic computers. Computer science TA Engineering (General). Civil engineering (General) The paper proposes a tracking-error passivity-based control scheme for the asymptotic stabilization of homogeneous reaction systems. The approach uses the concept of vessel extents in the Port-Hamiltonian (PH) framework. Concretely, the extent-based representation that is obtained by linear time-invariant transformation of the reaction model is expressed as a perturbed PH system, whereby the reaction rates constitute unmatched time-varying disturbances. Two scenarios are considered. The first one assumes that the molar numbers of all species and the reaction temperature are measured and, furthermore, the kinetic model is known, while the second scenario relaxes these assumptions and requires only the measurements of a subset of the molar numbers and of the reactor temperature, but no knowledge of reaction kinetics. For the first scenario, the passivity-based method is used to compensate the disturbances, while preserving the PH structure of the error system via simple matrix factorization of the disturbances. For the second scenario, a constructive procedure is proposed to complete the space of vessel extents with the aim of computing an appropriate damping injection for the closed-loop system. It is shown that the proposed strategies guarantee that the system trajectories converge towards the desired setpoints without the need of state observation. A reaction system exhibiting non-minimum phase behavior is used to illustrate the theoretical developments. The closed-loop performance is discussed and compared to that of a PI controller. (c) 2021 Elsevier Ltd. All rights reserved. Elsevier 2021-11 Article PeerReviewed Nguyen, T. Sang and Tan, C. K. and Hoang, N. Ha and Hussain, M. A. and Bonvin, D. (2021) A perturb e d Port-Hamiltonian approach for the stabilization of homogeneous reaction systems via the control of vessel extents. Computers & Chemical Engineering, 154. ISSN 0098-1354, DOI https://doi.org/10.1016/j.compchemeng.2021.107458 <https://doi.org/10.1016/j.compchemeng.2021.107458>. 10.1016/j.compchemeng.2021.107458
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	QA75 Electronic computers. Computer science TA Engineering (General). Civil engineering (General)
spellingShingle	QA75 Electronic computers. Computer science TA Engineering (General). Civil engineering (General) Nguyen, T. Sang Tan, C. K. Hoang, N. Ha Hussain, M. A. Bonvin, D. A perturb e d Port-Hamiltonian approach for the stabilization of homogeneous reaction systems via the control of vessel extents
description	The paper proposes a tracking-error passivity-based control scheme for the asymptotic stabilization of homogeneous reaction systems. The approach uses the concept of vessel extents in the Port-Hamiltonian (PH) framework. Concretely, the extent-based representation that is obtained by linear time-invariant transformation of the reaction model is expressed as a perturbed PH system, whereby the reaction rates constitute unmatched time-varying disturbances. Two scenarios are considered. The first one assumes that the molar numbers of all species and the reaction temperature are measured and, furthermore, the kinetic model is known, while the second scenario relaxes these assumptions and requires only the measurements of a subset of the molar numbers and of the reactor temperature, but no knowledge of reaction kinetics. For the first scenario, the passivity-based method is used to compensate the disturbances, while preserving the PH structure of the error system via simple matrix factorization of the disturbances. For the second scenario, a constructive procedure is proposed to complete the space of vessel extents with the aim of computing an appropriate damping injection for the closed-loop system. It is shown that the proposed strategies guarantee that the system trajectories converge towards the desired setpoints without the need of state observation. A reaction system exhibiting non-minimum phase behavior is used to illustrate the theoretical developments. The closed-loop performance is discussed and compared to that of a PI controller. (c) 2021 Elsevier Ltd. All rights reserved.
format	Article
author	Nguyen, T. Sang Tan, C. K. Hoang, N. Ha Hussain, M. A. Bonvin, D.
author_facet	Nguyen, T. Sang Tan, C. K. Hoang, N. Ha Hussain, M. A. Bonvin, D.
author_sort	Nguyen, T. Sang
title	A perturb e d Port-Hamiltonian approach for the stabilization of homogeneous reaction systems via the control of vessel extents
title_short	A perturb e d Port-Hamiltonian approach for the stabilization of homogeneous reaction systems via the control of vessel extents
title_full	A perturb e d Port-Hamiltonian approach for the stabilization of homogeneous reaction systems via the control of vessel extents
title_fullStr	A perturb e d Port-Hamiltonian approach for the stabilization of homogeneous reaction systems via the control of vessel extents
title_full_unstemmed	A perturb e d Port-Hamiltonian approach for the stabilization of homogeneous reaction systems via the control of vessel extents
title_sort	perturb e d port-hamiltonian approach for the stabilization of homogeneous reaction systems via the control of vessel extents
publisher	Elsevier
publishDate	2021
url	http://eprints.um.edu.my/26807/
_version_	1735409460856225792
score	13.250955

A perturb e d Port-Hamiltonian approach for the stabilization of homogeneous reaction systems via the control of vessel extents

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