Abstract
This paper presents a theoretical study of a hybrid seismic response control system comprising a passive fluid viscous damper and an active control system with a hydraulic actuator and acceleration sensors. The analytical model of this system is derived in the discrete time domain with actuator and clamper dynamics considered. Based on digital control theory, a state observer is established for optimal control strategies of the hybrid system. This study shows that the hybrid system gains the advantages of both active and passive control techniques currently in vogue; and that, with the state observer technique, a seismic response control system is more effective and less complicated because full-state feedback seismic control algorithms can be implemented by means of acceleration sensors, and a smaller number of sensors is required. A numerical simulation for seismic response of a building structure with a hybrid control system is presented to demonstrate the effectiveness of this control strategy for the hybrid system.
Recommended Citation
F. Y. Cheng and H. Jiang, "Optimum Control of a Hybrid System for Seismic Excitations with State Observer Technique," Smart Materials and Structures, vol. 7, no. 5, pp. 654 - 663, IOP Publishing, Oct 1998.
The definitive version is available at https://doi.org/10.1088/0964-1726/7/5/009
Department(s)
Civil, Architectural and Environmental Engineering
International Standard Serial Number (ISSN)
0964-1726
Document Type
Article - Journal
Document Version
Citation
File Type
text
Language(s)
English
Rights
© 2024 IOP Publishing, All rights reserved.
Publication Date
01 Oct 1998
