Patent ID: 7039479
Filing Date: 2006-05-02
Classification: G06Q

Abstract:
1. A production planning system, comprising: a supply quantity calculation module to calculate quantities of particular components, half products and finished products to be supplied in the current cycle; a production policy database to store a variety of data needed in the calculation of said supply quantity, including estimated current and long term quantities of consumption, loss and stock; a production policy data editing module to allow input of or to automatically obtain useful data and to modify data stored in said production policy database; and an output means to output supply quantity of particular components, half products and finished products of current cycle, as generated by said supply quantity calculation module; wherein said supply quantity calculation module calculates said supply quantity according to the following formula: wherein: said supply quantity pertains to quantity of particular components, half products and finished products to be added in said current cycle; said estimated consuming quantity pertains to estimated quantity of particular components, half products and finished products to be used in sales, maintenance, internal use and production in said current cycle; said estimated loss quantity pertains to estimated quantity of loss of particular components, half products and finished products during production, transportation, storage and display in said current cycle; and said predetermined stock quantity is calculated according to the following formula: wherein said predetermined final stock quantity of current cycle pertains to stock quantity of particular components, half products and finished products at end of said current cycle and said initial stock quantity of current cycle pertains to stock quantity of particular components, half products and finished products at initial of said current cycle.