PURPOSE: To remarkably simplify the operation schedule preparing work of a vehicle by changing a proper allocation rule knowledge base by a proper allocation rule change means.

CONSTITUTION: The proper allocation rule knowledge base 8 is comprised so as to change rule information by the proper allocation rule change means 9. When a start-up command to generate a vehicle operation schedule is supplied to a knowledge information processing part 6 by a vehicle operation generation instruction part 5 after all the conditions required for the generation of the operation schedule, the operation of the knowledge information processing part 6 is started, and allocation information is read out of a vehicle operation fundamental allocation knowledge base 7, and rule information from the proper allocation rule knowledge base 8, respectively, and the vehicle operation schedule can be prepared according to a processing procedure. Thereby, it is possible to simply, efficiently, and automatically prepare a superior vehicle operation schedule even by an operator who is not an expert.