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시스템 식별법을 이용한 선박의 횡동요 계수 추정

Estimation of Roll Related Coefficients of a Ship by Using the System Identification Method

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다운로드

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참고문헌

주제분류조선공학

초록

Abstract

When a fast container ship or a naval vessel is turning, comparable roll motions occur. Therefore, roll effect has to be considered in the horizontal equations of motion of the ship to predict the maneuverability well. In this thesis, a new method to determine a roll model structure and estimate its coefficients by applying the system identification technique to the data of sea trial tests was proposed. The simulation results from the estimated roll model were well consistent with the true one in spite of the difference between the estimated and the true model structures of roll hydrodynamic moment.

참고문헌 (7)

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  2. "모델링 전 추정기법을이용한 조종시운전시의 외력 및 조류 변수 추정", 31(4), pp.26~31 (2001)
  3. "선박 조종미계수 식별시 모델링 전 추정기법과 확장 Kalman 필터에의한 계수추정법의 비교에 관한 연구", 40(5), pp.43~52 (2003)
  4. "A new sea trial method for estimating hydrodynamic derivatives", 3(3), pp.25~45 (2000)
  5. "Application of SystemIdentification to Ship Maneuvering" (1980)
  6. "Research on ship manoeuvrability and its application to ship design, chapter 2", pp.23~90 (1995)
  7. "A Sensitivity Function Approach to the Design of Rudder Roll Stabilization Controller", 9(2), pp.100~112 (2001)

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