Model experiments on thruster assisted mooring system

Masahiko Nakamura, Wataru Koterayama, Hiroyuki Kajiwara

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

This paper presents the experimental results on the dynamics of a thruster assisted mooring system with active mooring winches. Moorings are used to maintain the position of a floating platform against quasi-constant external forces induced by current and wind, and thrusters control slow drift oscillation. The LQI (linear quadratic with integral) control system was adopted to prevent slow drift oscillation. Control of motions in the wave frequency region was ignored because the amplitude of those motions is smaller than those of the slow drift oscillation and enormous thruster power is needed to control them. The controlled results were compared with the non-controlled ones and performance of the LQI control system is discussed.

Original languageEnglish
Title of host publication5th International Offshore and Polar Engineering Conference, ISOPE 1995
PublisherInternational Society of Offshore and Polar Engineers
Pages249-254
Number of pages6
ISBN (Print)1880653168
Publication statusPublished - 1995
Event5th International Offshore and Polar Engineering Conference, ISOPE 1995 - The Hague, Netherlands
Duration: Jun 11 1995Jun 16 1995

Publication series

NameProceedings of the International Offshore and Polar Engineering Conference
Volume1995-June
ISSN (Print)1098-6189
ISSN (Electronic)1555-1792

Other

Other5th International Offshore and Polar Engineering Conference, ISOPE 1995
Country/TerritoryNetherlands
CityThe Hague
Period6/11/956/16/95

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Ocean Engineering
  • Mechanical Engineering

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