A collision avoidance system for autonomous ship using fuzzy relational products and COLREGs

Abstract

This paper presents a collision avoidance system for autonomous ship. Unlike collision avoidance system of other unmanned vehicles, the collision avoidance system for autonomous ship aims at not only deriving a reasonable and safe path to the goal but also keeping COLREGs (International Regulations for Preventing Collisions at Sea). The heuristic search based on the fuzzy relational products is adopted to achieve the general purpose of collision avoidance system; deriving a reasonable and safe path. The rule of "action to avoid collision" is adopted for the other necessary and sufficient condition; keeping the COLREGs. © Springer-Verlag Berlin Heidelberg 2004.