9. Robustness and Multivariable Frequency-Domain Techniques

  1. Frank L. Lewis1,
  2. Draguna L. Vrabie2 and
  3. Vassilis L. Syrmos3

Published Online: 11 JAN 2012

DOI: 10.1002/9781118122631.ch9

Optimal Control, Third Edition

Optimal Control, Third Edition

How to Cite

Lewis, F. L., Vrabie, D. L. and Syrmos, V. L. (2012) Robustness and Multivariable Frequency-Domain Techniques, in Optimal Control, Third Edition, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9781118122631.ch9

Author Information

  1. 1

    Department of Electrical Engineering, Automation & Robotics Research Institute, University of Texas at Arlington, Arlington, Texas, USA

  2. 2

    United Technologies Research Center, East Hartford, Connecticut, USA

  3. 3

    Department of Electrical Engineering, University of Hawaii at Manoa, Honolulu, Hawaii, USA

Publication History

  1. Published Online: 11 JAN 2012
  2. Published Print: 11 JAN 2012

ISBN Information

Print ISBN: 9780470633496

Online ISBN: 9781118122631



  • robustness, multivariable frequency-domain techniques;
  • modeling errors and stability robustness;
  • multivariable frequency-domain analysis;
  • robustness bounds;
  • LQG/LTR design technique for robust controllers


This chapter contains sections titled:

  • Introduction

  • Multivariable Frequency-Domain Analysis

  • Robust Output-Feedback Design

  • Observers and the Kalman Filter

  • LQG/Loop-Transfer Recovery


  • Problems