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1992
Conference Paper
Titel
Selection of technical equipment
Abstract
EXTRA is an expert system which has been developed at the Fraunhofer institute for materialflow and logistics. Whithin the developing process we used the KADS (Knowledge acquisition and documentation structuring) methodology. The article presents the inference and task layer of EXTRA's conceptual KADS model. The inference and the task structure are designed for an application which supports the planner of materialflow systems in the selection of conveyer systems for in-plant transport tasks. Starting from an description of the task - e.g. the length, width, height and weight of the good, the number of transports per hour, the transport distance etc. - a list of suitable conveyer systems will be selected. These systems will be rated with regard to their technical usefullness. Additionally the approximate costs for investment and work are estimated. The generic inference and task structure may be reused in other, resembling domains, e.g. the selextion of storage types.