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Application of Fuzzy Control in Structural Vibration Control

Author: ZouPeng
Tutor: GuoXingLin
School: Dalian University of Technology
Course: Engineering Mechanics
Keywords: Structural vibration control Fuzzy Control Semi-active control Magnetorheological fluid damper
CLC: TP13
Type: Master's thesis
Year: 2006
Downloads: 240
Quote: 3
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Abstract


Structural vibration control is a multidisciplinary field of new technologies , structural vibration control can effectively reduce the structural dynamic action of wind and seismic response and damage , and to improve the capacity and resilience of the vibration of the structure performance , anti-vibration and mitigation positive effective response. A history of nearly 30 years of research and application of structural vibration control , can be largely divided into several areas : base isolation , passive energy dissipation , active and semi-active control , and in recent years the development of intelligent control . The traditional structural vibration control algorithms usually require the establish precise structural vibration model is difficult to get an accurate model of the structure of some engineering , and there are many uncertainties in the system . Fuzzy control based on fuzzy set theory , fuzzy linguistic variables and fuzzy logic inference based on a control theory does not depend on the accurate calculation models belong to the areas of intelligent control , due to the unique advantages , has now become an intelligent control important and effective method . In this paper, a semi - active control of fuzzy control theory is introduced into the field of structural vibration control , fuzzy control and the development and current status of the structural vibration control and fuzzy control basic theoretical advantage overview of the development and the mechanical properties of magnetorheological damper semi-active magnetorheological damping control algorithm . This paper through the analysis of the structure , fuzzy control strategy combines semi-active control algorithm control magnetorheological damper force output . Finally , the role of El Centro earthquake wave simulation of a three-tier structure of the fuzzy control system . By fuzzy control , the output curve under the LQR control and non- control and control the amount of curve comparison, this paper fuzzy control of semi-active control system has good control performance . The semi-active control based on fuzzy control strategy has broad application prospects .

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