Vibration Suppression with Approximate Finite Dimensional Compensators for Distributed Systems: Computational Methods and Experimental Results

Abstract

Based on a distributed parameter model for vibrations, an approximate finite dimensional dynamic compensator is designed to suppress vibrations (multiple modes with a broad band of frequencies) of a circular plate with Kelvin-Voigt damping and clamped boundary conditions. The control is realized via piezoceramic patches bonded to the plate and is calculated from information available from several pointwise observed state variables. Examples from computational studies as well as use in laboratory experiments are presented to demonstrate the effectiveness of this design. Distributed parameter model, Approximate finite dimensional dynamic compensator

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1994
Accession Number
ADA282666

Entities

People

  • H. Thomas Banks
  • R. C. Smith
  • Yun Wang

Tags

Communities of Interest

  • Air Platforms
  • Sensors

DTIC Thesaurus Topics

  • Closed Loop Systems
  • Compensators
  • Computational Complexity
  • Computational Science
  • Control Systems
  • Differential Equations
  • Engineering
  • Equations
  • Equations Of Motion
  • Experimental Data
  • Feedback
  • Flexible Structures
  • Materials
  • Measurement
  • Simulations
  • Transfer Functions
  • Vibration

Fields of Study

  • Physics

Readers

  • Acoustics.
  • Adaptive Control and Estimation with Uncertainty in Dynamic Systems.
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)