Abstract: Provided is a schedule creation device for creating a conveyance schedule according to which a conveyance device conveys a product to work positions designated for each manufacturing process. Said schedule creation device sets a first score to the work positions and to a conveyance path of the conveyance device; sets a second score for products; and uses the first score and the second score to determine the product to be conveyed by the conveyance device from among products present at a plurality of work positions.

Abstract: A position information management apparatus for calculating position information about an object conveyed by a conveyance apparatus acquires conveyance position information indicating a position of the conveyance apparatus, load information indicating a load of the object on the conveyance apparatus, and initial position information indicating a position of the object when the object is loaded on the conveyance apparatus, and calculates the position information about the object loaded on the conveyance apparatus on the basis of the conveyance position information, the load information, and the initial position information.

Abstract: Provided is a schedule creation device for creating a conveyance schedule according to which a conveyance device conveys a product to work positions designated for each manufacturing process. Said schedule creation device sets a first score to the work positions and to a conveyance path of the conveyance device; sets a second score for products; and uses the first score and the second score to determine the product to be conveyed by the conveyance device from among products present at a plurality of work positions.