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Dynamics and Control of Structures

A Modal Approach

  • Textbook
  • © 1998

Overview

Authors:
  1. Wodek K. Gawronski

    1. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA

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Part of the book series: Mechanical Engineering Series (MES)

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Table of contents (10 chapters)

  1. Front Matter

    Pages i-xx
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  2. Dynamics

    1. Front Matter

      Pages 1-1
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    2. Introduction

      • Wodek K. Gawronski
      Pages 3-10

    3. Models

      • Wodek K. Gawronski
      Pages 11-31

    4. Controllability and Observability

      • Wodek K. Gawronski
      Pages 32-52

    5. Norms

      • Wodek K. Gawronski
      Pages 53-69

    6. Model Reduction

      • Wodek K. Gawronski
      Pages 70-89

    7. Assignment

      • Wodek K. Gawronski
      Pages 90-99

    8. Actuator and Sensor Placement

      • Wodek K. Gawronski
      Pages 100-128

  3. Control

    1. Front Matter

      Pages 129-129
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    2. Dissipative Controllers

      • Wodek K. Gawronski
      Pages 131-141

    3. LQG Controllers

      • Wodek K. Gawronski
      Pages 142-176

    4. H∞ and H2 Controllers

      • Wodek K. Gawronski
      Pages 177-205

  4. Back Matter

    Pages 206-232
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Keywords

About this book

Robots, aerospace structures, active earthquake-damping devices of tall buildings, and active sound suppression are examples of the application of structural dynamics and control methods. This book addresses the structural dynamics and control problems encountered by mechanical, civil, and control engineers. Many problems presented in this book originated in recent applications in the aerospace industry, and have been solved using the approach presented here. Dynamics analysis and controller design for flexible structures require a special approach due to the large size of structural models, and because flexible structure testing and control typically requires massive instrumentation (sensors and actuators). But the rapid development of new technologies and the increased power of computers allows for the formulation and solution of engineering problems that seemed to be unapproachable not so very long ago. The modal approach was chosen in this book. It has a long tradition in structural engineering (see, e.g., [84], [87], and [26]) and is also used in control system analysis, e.g., [93]. Its usefulness, thoroughly tested, does not need extensive justification. Both structural testing and analysis give priority to the modal representation, due to its compactness, simplicity, and explicit physical interpretation. Also, many useful structural properties are properly exposed only in modal coordinates. In this book the modal approach, preferred by structural engineers, is extended into control engineering, giving new analytical results, and narrowing the gap between structural and control analysis.

Authors and Affiliations

  • Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA

    Wodek K. Gawronski

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