Abstract
Job processing on the typical shop floor is normally influenced by technical or organizational dependent disturbances. Due to growing efforts to meet the customers' demands with respect to short notice changes to orders (product variants and delivery dates), MRP-systems and subordinate shop floor control systems such as scheduling systems have to deal with these disturbances. This forms the basis for a new approach to order control systems implementing cascaded control loops starting with customers' orders and regarding the aspects of real-time rescheduling, process plan alternatives as well as simulating the impacts on future machining and delivery shop order sequences. Reactions to disturbances are offered by a knowledge-based module. This paper describes a concept to help solve the problems encountered by the subcontractor. This concept is based upon a hierarchically organized distributed computer network enabled to reorganize itself in case of a computer or interface failure.
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