A Multiloop Generalization of the Circle Stability Criterion,

Abstract

A frequency-domain stability criterion is presented, generalizing the well-known circle stability criterion to multiloop feedback systems having bounded nonlinearity, parameter variations, and/or frequency-dependent ignorance of component dynamics. Unlike previous generalizations, the theory is not restricted to weakly-coupled, diagonally dominant or nearly normal systems. Potential applications include the analysis of feedback system integrity and multiloop feedback system stability margins. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1978
Accession Number
ADA086607

Entities

People

  • Michael Athans
  • Michael G. Safonov

Organizations

  • University of Southern California

Tags

Communities of Interest

  • Sensors

DTIC Thesaurus Topics

  • California
  • Closed Loop Systems
  • Eigenvalues
  • Engineering
  • Feedback
  • Frequency
  • Frequency Domain
  • Frequency Response
  • Multiple Input Multiple Output
  • Numbers
  • Real Numbers
  • Square Roots
  • Stability Conditions
  • Theorems
  • Transfer Functions
  • Vector Spaces

Fields of Study

  • Mathematics
  • Physics

Readers

  • Control Systems Engineering.