Novel results on decentralized H-infinity controller design for structural vibration control of large buildings
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hdl:2117/98974
Tipus de documentText en actes de congrés
Data publicació2016
EditorCRC Press
Condicions d'accésAccés obert
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Abstract
In this paper, we present a novel control design methodology for structural vibration control of large buildings. The main idea consists in decomposing the overall building system into decoupled single-story subsystems and modeling the subsystem interactions as external disturbances. Then, a complete set of local decentralized controllers can be efficiently computed using the existing LMI solvers. In the proposed approach, two different levels of decentralization can be distinguished: decentralized design and decentralized implementation, which are both of critical importance in large-scale control problems. From the design point of view, the local controllers are independently synthesized using only the low-dimensional subsystem models. The implementation phase is through the overall decentralized controller defined by the set of local controllers, which can drive the actuation devices using only local state-feedback information. To illustrate the proposed methodology, decentralized H8 controllers are designed for the seismic protection of a five-story building and a twenty-story building. A proper set of numerical simulations is carried out to demonstrate the effectiveness of the proposed decentralized controllers and the computation times are considered to assess the computational effectiveness of the decentralized design methodology.
Descripció
This is an Accepted Manuscript of a book chapter published by CRC Press in Insights and innovations in structural engineering, mechanics and computation: proceedings of the sixth International Conference on Structural Engineering, Mechanics and Computation, 5-7 September 2016, Cape Town, South Africa, available online: https://www.taylorfrancis.com/books/9781315641645
CitacióPalacios-Quiñonero, F., Rubió-Massegú, J., Rossell, Josep M., Karimi, H.R. Novel results on decentralized H-infinity controller design for structural vibration control of large buildings. A: International Conference on Structural Engineering, Mechanics and Computation. "Insights and innovations in structural engineering, mechanics and computation: proceedings of the sixth International Conference on Structural Engineering, Mechanics and Computation, 5-7 September 2016, Cape Town, South Africa". Ciutat del Cap: CRC Press, 2016, p. 46-52.
ISBN9781138029279
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