【正文】
h that three period lag. An upstream supplier can only fill an order if it has the necessary inventory. Otherwise, it will backlog that order, and attempt to fill it as soon as possible. The exception to this is the factory. There is no production capacity limit, so the factory’s order will always be filled in its entirety after the appropriate delay.(定購(gòu)最終會(huì)被滿足) Consider how much to order At each weekly ordering point, you will have decided how many units to order, based on the following information: ? Your current inventory. ? How much will arrive in one week. ? How much will arrive in two weeks. ? The size of your most recent order. ? The demand you are currently facing. ? Previous demand you have been unable to meet, and have backlogged. ? The amount you most recently supplied. ? The amount you ordered from your upstream supplier in prior weeks which has not yet been shipped. ? Any historical information you have recorded. 考慮訂購(gòu)多少? 每周訂購(gòu)時(shí),在如下信息基礎(chǔ)上決定訂購(gòu)多少單位: ? 當(dāng)前的庫(kù)存 ? 一周后會(huì)有多少到達(dá) ? 兩周后會(huì)有多少到達(dá) ? 最近的訂購(gòu)數(shù)量 ? 當(dāng)前面臨的需求 ? 之前沒(méi)能夠滿足的需求,不得不延遲 ? 最近的供應(yīng)量 ? 之前幾周,從上游供應(yīng)商訂購(gòu)的數(shù)量有