Smart Structures: Model Development and Control Applications

Abstract

This paper addresses aspects of model development and control design for smart structure which utilize piezoelectric, electrostrictive, magnetostrictive or shape memory alloys. The advent of these materials as sensors and actuators provides the opportunity for designing systems with improved performance while reducing weight, hardware and power requirements. At high drive levels, however, all of these materials exhibit nonlinear constitutive relations and varying degrees of hysteresis which must be accommodated to realize their full potential in smart structures. We outline a variety of modeling techniques and illustrate their use in feedback, feedforward and adaptive control designs.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2001
Accession Number
ADA453831

Entities

People

  • Ralph C. Smith

Organizations

  • North Carolina State University

Tags

DTIC Thesaurus Topics

  • Abstracts
  • Actuators
  • Algorithms
  • Alloys
  • Computations
  • Electric Fields
  • Information Operations
  • Magnetic Fields
  • Magnets
  • Materials
  • North Carolina
  • Permanent Magnets
  • Shape Memory Alloys
  • Steel
  • Transducers

Readers

  • Materials Science and Engineering.
  • Robotics and Automation.
  • Systems Analysis and Design