OPTIMAL ROUTE CALCULATING DEVICE AND OPTIMAL ROUTE CALCULATING METHOD

摘要

To provide an optimal route calculating device and an optimal route calculating method that can automatically perform optimal route calculation in the entire route from a departure place to a destination, while reducing the amount of calculation.SOLUTION: An optimal route calculation device comprises: an information input receiving unit that receives input of information including a departure place, a destination, and a departure time of a ship; an optimal route calculating unit that calculates an optimal route on the basis of the input information, ship performance data, and weather data in a route area where the ship travels; and a determination unit that determines whether a predetermined fixed route area is present between the departure place and the destination. When the fixed route area is determined to be present, the optimal route calculating unit adopts a fixed predetermined route in the fixed route area, divides the rest of the area into a plurality of areas partitioned by the departure place, the ends of the fixed route area, or the destination, and calculates the optimal route for each of the plurality of areas.SELECTED DRAWING: Figure 2