Multivariable Systems Design: A Two Ships Controller for Replenishment at Sea.

Abstract

An investigation of the maneuvering control of two ships in the replenishment at sea operation, seen as a multivariable system, is carried out. The mathematical model of the ships motion in three degrees of freedom is established and implemented for the formation of digital computer programs and approximated for the study of steady state decoupling. Using parameter optimization techniques, the necessary control loops are designed with the aid of a digital computer. The station keeping problem of underway operation is simulated and the results compared and analyzed. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1974
Accession Number
AD0781861

Entities

People

  • Celso Graca Lima

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Computer Programs
  • Computers
  • Control Systems
  • Decoupling
  • Digital Computers
  • Engineering
  • Interdisciplinary Science
  • Mathematical Models
  • Models
  • Optimization
  • Replenishment
  • Steady State
  • Systems Engineering

Fields of Study

  • Engineering
  • Physics

Readers

  • Aerospace Engineering.
  • Control Systems Engineering.
  • Marine Hydrodynamics