Improved Decentralized Fractional PD Control of Structure Vibrations

Kang Xu, Liping Chen, Minwu Wang, António M. Lopes, J. A. Tenreiro Machado and Houzhen Zhai
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Kang Xu: College of Civil Engineering, Hefei University of Technology, Hefei 230009, China
Liping Chen: School of Electrical Engineering and Automation, Hefei University of Technology, Hefei 230009, China
Minwu Wang: College of Civil Engineering, Hefei University of Technology, Hefei 230009, China
António M. Lopes: UISPA–LAETA/INEGI, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
J. A. Tenreiro Machado: Institute of Engineering, Polytechnic of Porto, Department of Electrical Engineering, R. Dr. António Bernardino de Almeida, 431, 4249-015 Porto, Portugal
Houzhen Zhai: The 29th research Institute of CETC, Chengdu 610036, China

Mathematics, 2020, vol. 8, issue 3, 1-13

Abstract: This paper presents a new strategy for the control of large displacements in structures under earthquake excitation. Firstly, an improved fractional order proportional-derivative (FOPD) controller is proposed. Secondly, a decentralized strategy is designed by adding a regulator and fault self-regulation to a standard decentralized controller. A new control architecture is obtained by combining the improved FOPD and the decentralized strategy. The parameters of the control system are tuned using an intelligent optimization algorithm. Simulation results demonstrate the performance and reliability of the proposed method.

Keywords: fractional order controller; determined control strategy; vibration of building structures (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2020
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