Adaptive Control with Variable Dead-Zone Nonlinearities,

Abstract

It has been found that fixed error dead-zones is defined in the existing literature result in serious degradation of performance, dur to the conservativeness which characterizes the determination of their width. In this paper, variable width dead-zones are derived for the adaptive control of plants with unmolded dynamics. The derivation makes use of information available about the unmolded dynamics both a priori as well as during the adaptation process, so as to stabilize the adaptive loop and at the same time overcome the conservativeness and performance limitations of fixed-dead zone adaptive or fixed gain controllers. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1984
Accession Number
ADA144387

Entities

People

  • D. Orlicki
  • G. Stein
  • L. Valavani
  • M. Athans

Organizations

  • Massachusetts Institute of Technology

Tags

Communities of Interest

  • C4I

DTIC Thesaurus Topics

  • Algorithms
  • Control Systems
  • Dynamics
  • Frequency
  • Frequency Domain
  • Frequency Response
  • Inequalities
  • Linear Systems
  • Lyapunov Functions
  • Mathematics
  • Notation
  • Standards
  • Time Dependence
  • Time Domain
  • Transfer Functions

Readers

  • Adaptive Control and Estimation with Uncertainty in Dynamic Systems.