Evaluation of Irregular Disturbances to Ships in Autopilot Navigation

자동조타로써 항행하는 선박에 작용하는 불규칙 외란 추정법에 관한 고찰

  • 이경우 (한국해양대학교 대학원) ;
  • 손경호 (한국해양대학교 이공대학 조선공학과) ;
  • 김진형 (한국해양대학교 대학원)
  • Published : 1995.04.01

Abstract

The final aim of our research project is a study on assessment of automatic steering system of ships in open seas. In order to achieve this aim we need to know the characteristics of each component of the system and also to know the characteristics of disturbance to ship dynamcis. In this paper we provide calculation method of irregular disturbance to ships in autopilot navigation in open seas and also show calculation examples about two kinds of ship ore carrier and fishing boat. The disturbance consists of irregular wave and random wind, The disturbance is calculated as equivalent yaw angular velocity. Each spectrum and time history of disturbance are reasonably evaluated. Further investigation concerning to performance index of autopilot system and energy loss related to automatic course keeping will be dealt with in another paper,

Keywords