Abstract
This paper deals with a real-time scheduling system of HMS (Holonic Manufacturing System). Rule-based scheduling methods have been proposed and applied to the real-time production scheduling problems of the HMS in the previous report. However, there are still remaining problems from the viewpoint for the improvement of the objective functions of the individual holons. The real-time scheduling method using effectiveness values is proposed in this research, in order to improve the objective functions of the individual holons. The simulation based procedure is also implemented for the individual holons to estimate the future status of HMS and to determine the effectiveness values, aiming at improving the evaluation of the effectiveness values. Some case studies of the real-time scheduling method are carried out to verify the effectiveness of the proposed methods.
