中間作業を伴う2機械フローショップ型ロボティクユニットのシステム特性に関する研究(機械要素,潤滑,工作,生産管理など)

概要

論文の詳細を見る
In this paper we deal with a two-machine robotic unit of flowshop type, in which each of n jobs is processed on the first machine and later on the second machine. Transportation of the jobs in this system is performed by robots. There is an intermediate station between the two machines for intermediate operations such as washing, chip disposal, cooling, drying and/or quenching. It is already known that the scheduling problem of minimizing the maximum completion time (i.e., the makespan) can be solved in O(n^2) time if only permutation schedules are allowed. Minimizing the maximum completion time leads to increasing efficiency of the system, and permutation schedules may be more practical than non-permutation ones in industry. In this paper, we analyze the characteristics of the system in terms of the optimal permutation schedule, and report the numerical results. In particular, we examine the effect of transportation times of the robots to the efficiency, and the number of work-in-processes in the intermediate station.
一般社団法人日本機械学会の論文
2002-12-25