Abstract
In 21st century, reducing energy consumptions of machining system is a developing trend in the manufacturing industry and is important for the implementation of “Green Manufacturing”. Dynamic scheduling problem in FMS have historically emphasized the schedule efficiency. This paper proposes an innovative approach to study the dynamic scheduling problem in FMS, taking the objectives of minimum or maximum energy consumption into account. A new goal programming mathematical model is presented for solving this problem. This model considers the energy consumption and the schedule efficiency simultaneously. Several scheduling case are designed to test the performance of the proposed model. The experimental results show that the proposed goal programming mathematical model can save the energy consumption significantly and solve the dynamic scheduling problem in FMS very well. These results also show that the minimum energy consumption and the minimum schedule efficiency can be obtained simultaneously on the appearance of the dynamic events.
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