Author(s)

M. Tsukiyama, K. Mori & T. Fukuda

Abstract

Strategic level interactive scheduling and operational level real-time scheduling for flexible manufacturing systems M. Tsukiyama, K. Mori & T. Fukuda Industrial Electronics and Systems Laboratory, Mitsubishi Electric Corporation, 8-1-1 Tsukaguchi-Honmachi Amagasaki, 661 Japan ABSTRACT In this paper, we propose a hierarchical dynamic scheduling procedure by using a strategic level schedule editor and operational level distributed sched- ulers. With the schedule editor, it becomes possible to freely generate and modify a schedule. It enables us to build a desirable schedule by repeating modification and evaluation of a schedule. With the operational level sched- uler, real-time dispatching decisions can be made. INTRODUCTION Scheduling is one of the most difficult problems in the production manage- ment, especially for FMS where various jobs are processed simultaneously by multipurpose machines. Mathematical programming methods cannot solve the problem because of combinatorial expl

Keywords