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Actuators 2018, 7(2), 29;

Evolutionary-Based BEL Controller Applied to a Magneto-Rheological Structural System

Instituto Politécnico de Bragança, Escola Superior de Tecnologia e Gestão, 5300-253 Bragança, Portugal
Institute of R&D in Structures and Construction (CONSTRUCT), Laboratory for Earthquake and Structural Engineering (LESE), 4200-465 Porto, Portugal
Institute for Systems and Computer Engineering, Technology and Science (INESC TEC), 4200-465 Porto, Portugal
Author to whom correspondence should be addressed.
Received: 24 March 2018 / Revised: 6 June 2018 / Accepted: 7 June 2018 / Published: 12 June 2018
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This work addresses the problem of finding the best controller parameters in order to improve the response of a single degree-of-freedom structural system under earthquake excitation. The control paradigm considered is based on brain emotional learning (BEL) and the actuation over the building dynamics is carried out by changing the stiffness of a magneto-rheological damper. A typical BEL-based controller requires the definition of several parameters which can prove difficult and non-intuitive to obtain. For this reason, an evolutionary-based search technique has been added to the current problem framework in order to automate the controller design. In particular, the particle swarm optimization method is chosen as the evolutionary based technique to be integrated within the current control paradigm. The obtained results suggest that, indeed, it is possible to parametrize a BEL controller using an evolutionary-based algorithm. Moreover, a simulation shows that the obtained results can outperform the ones obtained by manual tuning each controller parameter individually. View Full-Text
Keywords: brain emotional learning controller; structural control; particle swarm optimization brain emotional learning controller; structural control; particle swarm optimization

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Braz César, M.; Paulo Coelho, J.; Gonçalves, J. Evolutionary-Based BEL Controller Applied to a Magneto-Rheological Structural System. Actuators 2018, 7, 29.

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