OPUS: Optimal Projection for Uncertain Systems. Volume 1

Abstract

OPUS (Optimal Projection for Uncertain Systems) is a unified approach to control-system design and analysis for high-performance, multivariable applications such as large flexible space structures. OPUS yields low-order, robust controllers that meet both time-and frequency-domain objectives. This final report discusses progress achieved during the previous three years in the areas of robust control, fixed-structure control, sampled-data control, tracking control, and nonlinear control. The appendices in this volume include reprints on the following topics: Optimal projection approach to robust fixed-structure control design; combined L sub 2 H sub infinity model reduction; Robust stability and performance analysis for linear dynamic systems; Robust stability and performance via fixed-order dynamic compensation; Finite-dimensional approximation for optimal fixed-order compensation of distributed parameter systems; Minimal complexity control law synthesis; singular linear-quadratic regulator problem and the Goh-Riccati equation.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1991
Accession Number
ADA240372

Entities

People

  • Dennis S. Bernstein
  • Wassim M. Haddad

Organizations

  • Harris Corporation

Tags

Communities of Interest

  • C4I
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Accuracy
  • Air Force
  • Closed Loop Systems
  • Computational Fluid Dynamics
  • Computational Science
  • Control Systems
  • Control Theory
  • Differential Equations
  • Equations
  • Frequency
  • Frequency Domain
  • Lyapunov Functions
  • Mathematical Filters
  • Mathematical Programming
  • Mathematics
  • Plastic Explosives
  • Servomechanisms

Readers

  • Adaptive Control and Estimation with Uncertainty in Dynamic Systems.

Technology Areas

  • Space
  • Space - Spacecraft Maneuvers