Patent ID: 7092776

Claim:
A production control system for producing products from parts, the production control system comprising: a product data obtaining module configured to obtain product data including an effective surplus production quantity from a parent product production location, which is a location producing parent products using the products as direct parts; a part data obtaining module configured to obtain part data including a surplus production quantity from a part production location producing parts; an effective surplus production quantity calculation module configured to calculate an effective surplus production quantity of a production department which produces the products from the parts based on the effective surplus production quantity and the surplus production quantity; a part data transmission module configured to transmit the part data including the effective surplus production quantity of the production department to the part production location; a product data transmission module configured to transmit the product data including a surplus production quantity of the products to the parent production location; a product data storage unit configured to retain the product data including a fixed quantity of parent products, a requested quantity of parent products, and a surplus production quantity of parent products; a part data storage unit configured to retain the part data including a fixed quantity of parts, a desired quantity of parts, and a surplus production quantity of parts; and a production scheduler configured to update the requested quantity of parent products according to the change of the desired quantity of parts from the parent production location, update the desired quantity of parts according to the change of the requested quantity of parent products, the fixed quantity of parts and the surplus quantity of parts, update the fixed quantity of parent products and surplus production quantity of parent products according to the change of the requested quantity of parent products, and update the fixed quantity of parts and the surplus production quantity of parts according to the change of the fixed quantity of parent products and surplus production quantity of parent products.