Vibration Control of a Structure by Using of an Active Dynamic Vibration Absorber Taking Account of Actuator Constraints

Hidekazu Nishimura, Naoki Oie, Kiyoshi Takagi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This paper proposes a design method for vibration control of a structure with an active dynamic vibration absorber involving actuator constraints. We formulate the linear parameter varying system taking into account both the maximum control input and the maximum stroke of the actuator by using a nonlinear function of hyperbolic tangent. The gain-scheduled control based on the linear matrix inequality is obtained so that the closed-loop system is stable and has good performance even if saturation phenomena of the actuator occur. By simulations we verify that the proposed method is useful for not only an impulsive input but also a non-stationary random input such as earthquakes.

Original languageEnglish
Pages (from-to)53-59
Number of pages7
JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume66
Issue number641
DOIs
Publication statusPublished - 2000
Externally publishedYes

Fingerprint

Vibration control
Actuators
Gain control
Linear matrix inequalities
Closed loop systems
Earthquakes

Keywords

  • Active Dynamic Vibration Absorber
  • Actuator Constraints
  • Gain-Scheduled Control
  • Linear-Parameter-Depending System
  • Vibration Control

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

Cite this

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AB - This paper proposes a design method for vibration control of a structure with an active dynamic vibration absorber involving actuator constraints. We formulate the linear parameter varying system taking into account both the maximum control input and the maximum stroke of the actuator by using a nonlinear function of hyperbolic tangent. The gain-scheduled control based on the linear matrix inequality is obtained so that the closed-loop system is stable and has good performance even if saturation phenomena of the actuator occur. By simulations we verify that the proposed method is useful for not only an impulsive input but also a non-stationary random input such as earthquakes.

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