Abstract text

Provided is a mission scheduling method. The mission scheduling method includes: when a time window representing a time range that a plurality of missions are executed and a duration of the missions are given, determining an execution start time and finish time of each of the missions; selecting a first mission that is first finished among the missions; selecting second missions which collide or do not collide with the first mission depending on the execution order of the second missions; and including in a schedule a mission that is first finished when the first mission and the second missions are respectively executed according to a combination of orders, wherein the first mission and the second missions according to the combination of orders do not collide with each other.