TIME RESPONSES AND PARAMETER ESTIMATION OF NONLINEAR CONTROL SYSTEMS.

Abstract

Control systems that include nonlinear devices such as limiters and relays with hysteresis are described by a set of first-order nonlinear differential equations. A Runge-Kutta integration method with special procedures to recognize discontinuities is then used to determine time responses using a digital computer. Results are presented for a nontrivial attitude-control system. Initial attempts of estimating parameters for this system using iterative minimization procedures were only partially successful. The difficulties encountered are discussed. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1967
Accession Number
AD0645881

Entities

People

  • C. Mcmillian
  • E. Huber

Organizations

  • Sylvania Electric Products

Tags

DTIC Thesaurus Topics

  • Attitude Control Systems
  • Computers
  • Control Systems
  • Differential Equations
  • Digital Computers
  • Discontinuities
  • Equations
  • Hysteresis
  • Linear Differential Equations
  • Mathematical Analysis
  • Mathematics
  • Nonlinear Differential Equations
  • Real Variables

Readers

  • Adaptive Control and Estimation with Uncertainty in Dynamic Systems.
  • Control Systems Engineering.