GA-LADRC를 이용한 Mariner class vessel의 선수각 제어
(주)코리아스칼라
- 최초 등록일
- 2023.07.03
- 최종 저작일
- 2023.05
- 10페이지/ 어도비 PDF
- 가격 4,000원
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서지정보
ㆍ발행기관 : 한국수산해양기술학회(구 한국어업기술학회)
ㆍ수록지정보 : 수산해양기술연구 / 59권 / 2호
ㆍ저자명 : 안종갑
목차
서 론
재료 및 방법
선박 조종 운동 모델링
최적화 도구로써 유전알고리즘
결과 및 고찰
모의실험용 데이터와 제어기 파라미터
설정 침로 변경에 대한 과도응답 특성
모델링 오차와 불확실성에 대한 과도응답 특성
측정잡음에 대한 과도응답 특성
결 론
사 사
References
영어 초록
In this study, to control the heading angle of a ship, which is constantly subjected to various internal and external disturbances during the voyage, an LADRC (linear active disturbance rejection control) design that focuses more on improving the disturbance removal performance was proposed. The speed rate of change of the ship’s heading angle due to the turn of the rudder angle was selected as a significant factor, and the nonlinear model of the ship’s maneuvering equation, including the steering gear, was treated as a total disturbance. It is the similar process with an LADRC design for the first-order transfer function model. At this time, the gains of the controller included in LADRC and the gains of the extended state observer were tuned to RCGAs (real-coded genetic algorithms) to minimize the integral time-weighted absolute error as an evaluation function. The simulation was performed by applying the proposed GA-LADRC controller to the heading angle control of the Mariner class vessel. In particular, it was confirmed that the proposed controller satisfactorily maintains and follows the set course even when the disturbances such as nonlinearity, modelling error, uncertainty and noise of the measurement sensor are considered.
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