PROBLEM TO BE SOLVED: To provide a route search device for searching a moving route through which two movable bodies connected to each other by a cable can reach a target position without bringing the two movable bodies and the cable into contact with an entry inhibition area.;SOLUTION: A route search device determines a moving route for a movable body composed of a first movable body and a second movable body connected to the first movable body by a string-like object. The route search device includes: a reception part for receiving an input of an initial position of the first movable body and a target position at which the first movable body is caused to arrive, also receiving an input of map information within a prescribed range including information on the position of an entry inhibition region and movable body information including distance information between the first movable body and the second movable body determined on the basis of at least the string-like object for connecting the first movable body and the second movable body; and a search part for searching a moving route from the initial position to the target position on the basis of the map information and the movable body information without bringing any of the first movable body, the string-like object, and the second movable body into contact with the entry inhibition region.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT
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