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Semi-active control of flexible structures using closed-loop input shaping techniques
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering. College of Engineering, Department of Civil Engineering, University of Mosul, Mosul, Iraq.ORCID iD: 0000-0003-3070-5434
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0003-0126-1897
University of Patras, Department of Electrical Engineering.
2017 (English)In: Structural Control and Health Monitoring: The Bulletin of ACS, ISSN 1545-2255, E-ISSN 1545-2263, Vol. 24, no 5, article id e1913Article in journal (Refereed) Published
Abstract [en]

In this research effort, a novel approach on the control of structures with magnetorheological (MR) dampers is presented, based on an appropriately adapted closed-loop version of the generic input shaping control theory. The MR damper is a very promising kind of semi-active control system (actuator), mixing the advantages of the active and passive structural control systems, hence their increasing use as attenuators that reject the effects of dynamic loads on civil engineering structures. The main contribution of this article is the application and performance evaluation of the novel ‘Linear Matrix Inequality-based’ feedback version of the input shaping control theory for the first time in the area of structural control. The need for the use of a feedback version of input shaping control stems from the design trade-off between robustness and speed of response requirements. A simulation of a benchmark three-story building with one MR damper is employed to verify the efficiency of the proposed control approach. The nonlinear behaviour of the MR damper, rigidly connected between the first floor of the structure and the ground, is captured by the well-known Bouc–Wen model. The superiority and effectiveness of the proposed scheme in reducing the responses of the structure were proved using seven quantifiable evaluation criteria and by comparing these results with those achieved by classical and well-established alternative control schemes.

Place, publisher, year, edition, pages
John Wiley & Sons, 2017. Vol. 24, no 5, article id e1913
Keywords [en]
Information technology - Automatic control
Keywords [sv]
Informationsteknik - Reglerteknik
National Category
Control Engineering Infrastructure Engineering
Research subject
Control Engineering; Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-7849DOI: 10.1002/stc.1913ISI: 000399703500006Scopus ID: 2-s2.0-84979210460Local ID: 644a9b24-009a-4b04-abbd-8977285de3bbOAI: oai:DiVA.org:ltu-7849DiVA, id: diva2:980739
Note

Validerad; 2017; Nivå 2; 2017-04-24 (rokbeg)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-09-14Bibliographically approved

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Edrees, TarekNikolakopoulos, George

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