A Study on Determination of Gradient Coefficients in the New Evaluation of Collision Risk

Jeong, Tae-Gweon

Journal of Navigation and Port Research 2003;27(4):351-357.
Published online September 30, 2003.

신 충돌위험도평가의 기울기계수 결정에 관한 연구

정태권

A Study on Determination of Gradient Coefficients in the New Evaluation of Collision Risk

Tae-Gweon Jeong

Abstract

Evaluating the risk of collision quantitatively plays a key role in developing the expert system of navigation and collision avoidance. This study analysed theoretically and thoroughly how to determine the gradient coefficients as described in the new evaluation of collision risk using sech function, and suggested the appropriate values as applicable.

Key Words: sech 함수; collision risk;sech function;distance to CPA;approach time;gradient coefficient;amplitude coefficient

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