NAVIGATION PLANNING SYSTEM AND NAVIGATION PLANNING METHOD

Abstract: a navigation planning system configured to acquire a planned route for a movable body on a water. further, movable body information and obstacle information an obstacle located in a surrounding area of the movable body is acquired. subsequently, an evasion route, different from the planned route is acquired. further, a collision risk indicating a risk of collision between the movable body and the obstacle is calculated based on the movable body information and obstacle information. furthermore, a maximum evasion route collision risk when the movable body travels on the evasion route and a maximum planned route collision risk the movable body travels on the planned route are obtained. finally, the navigation planning system outputs a navigation route change signal indicating that the movable body change the planned route to the evasion route when the maximum evasion route collision risk is less than the maximum planned route collision risk.

Inventor(s): Seiichi UOSHITA

CPC Classification: B63B43/18 (SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING (arrangements of vessel ventilation, heating, cooling, or air-conditioning ; floating substructures as supports of dredgers or soil-shifting machines ))

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