Tuning Maps for Setpoint Changes and Load Disturbances Upsets in a Three Capacity Process Under Multivariable Control

Abstract

Tuning maps are an aid in the controller tuning process because they provide a convenient way for the plant operator to determine the consequences of adjusting different controller parameters. In this application the maps provide a graphical representation of the effect of varying the gains in the state feedback matrix on startup and load disturbance transients for a three capacity process. Nominally, the three tank system, represented in diagonal form, has a Proportional-Integral control on each loop. Cross-coupling is then introduced between the loops by using nonzero off-diagonal proportional parameters. Changes in transient behavior due to setpoint and load changes are examined by varying the gains of the cross-coupling terms.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1991
Accession Number
ADA241469

Entities

People

  • Ira C. Smith
  • Jonathan S. Litt

Organizations

  • National Aeronautics and Space Administration

Tags

Communities of Interest

  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Aeronautics
  • Army Aviation
  • Closed Loop Systems
  • Control Systems
  • Couplings
  • Differential Equations
  • Equations
  • Feedback
  • Integrals
  • Steady State
  • Three Dimensional
  • Transfer Functions

Readers

  • Linear Algebra
  • Robotics and Automation.
  • Thermal Physics or Thermal Science.