Reduction of Plate Vibration and Acoustic Radiation via Adaptively Controlled Boundaries

Abstract

Reduction of plate vibration and acoustic radiation at low frequencies via adaptively controlled boundaries is experimentally demonstrated. The control is based on changing the clamping pressure at the boundaries of the plate to continuously detune the plate resonance frequencies from the frequency of pure-tone excitation. Results are presented for the control plate vibration with single and varying frequencies of excitation and for the control of acoustic radiation with single frequency excitation.... Plate Vibration, Acoustic Radiation, Adaptive Control, Boundaries, Clamping pressure.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1993
Accession Number
ADA262675

Entities

People

  • C. B. Burroughs
  • D. A. Gruenhagen
  • S. D. Sommerfeldt

Organizations

  • Pennsylvania State University

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Actuators
  • Adaptive Control Systems
  • Boundaries
  • Control Systems
  • Digital Signal Processing
  • Electrocardiography
  • Excitation
  • Frequency
  • Frequency Shift
  • Hydraulic Pressure
  • Measurement
  • Microphones
  • Radiation
  • Resonance
  • Signal Processing
  • Vibration
  • Waves

Fields of Study

  • Physics

Readers

  • Electronics Engineering
  • Fluid Mechanics and Fluid Dynamics.
  • Robotics and Automation.