Mass Customization Production Planning & Management System Based on Unfulfilled-order-rate : Performance of 3 indicators

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  • 内示情報を用いた未達率指標による生産計画システム : 3つの未達率指標の性能解析
  • ナイジ ジョウホウ オ モチイタ ミ タツリツ シヒョウ ニ ヨル セイサン ケイカク システム ミッツ ノ ミ タツリツ シヒョウ ノ セイノウ カイセキ

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Abstract

In this paper, we try to model for ‘Naiji System’ which is an unique corporation between a maker and suppliers in Japan. We propose Mass Customization Production Planning & Management System (MCPS) based on unfulfilled-order-rate by using Advance Demand Information, which is called ‘Naiji’. This model is formulated as a nonlinear stochastic programming problem which minimizes the sum of production cost and inventory holding cost subject to the set of probabilistic constraint and some linear production constraints. We propose that (i) the strictly defined indicator of the unfulfilled-order-rate (SOn), (ii) the upper bound to estimate the unfulfilled-order-rate more strictly (SOn(ρmin)), (iii) the indicator of the unfulfilled-order-rate in the case that inventory is independent between periods (SOn (0)) and we analyze performances of 3 indicators. We confirm that the inventory becomes 7-20% decreases by using the indicator of SOn compared with SOn(0). Finally an availability of the indicator and of the procedure is shown.

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