Fractional Order Filter Enhanced LQR for Seismic Protection of Civil Structures-Reference-Cited by-同舟云学术

Fractional Order Filter Enhanced LQR for Seismic Protection of Civil Structures

Published:2008-01-24 Issue:2 Volume:3 Page:
ISSN:1555-1415
Container-title:Journal of Computational and Nonlinear Dynamics
language:en
Short-container-title:

Author:

Shafieezadeh Abdollah¹,Ryan Keri¹,Chen YangQuan²

Affiliation:

1. Department of Civil and Environmental Engineering, Utah State University, 4110 Old Main Hill, Logan, UT 84322-4110

2. CSOIS, Department of Electrical and Computer Engineering, Utah State University, 4120 Old Main Hill, Logan, UT 84322-4120

Abstract

This study presents fractional order filters to enhance the performance of the conventional linear quadratic regulator (LQR) method for optimal robust control of a simple civil structure. The introduced filters modify the state variables fed back to the constant gain controller. Four combinations of fractional order filter and LQR are considered and optimized based on a new performance criterion defined in the paper. Introducing fractional order filters is shown to considerably improve the results for both the artificially generated ground motions and previously recorded earthquake data.

Publisher

ASME International

Subject

Applied Mathematics,Mechanical Engineering,Control and Systems Engineering,Applied Mathematics,Mechanical Engineering,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/computationalnonlinear/article-pdf/doi/10.1115/1.2833947/5514547/021404_1.pdf

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