ABSTRACT

One strategy to reduce inventories and increase on-time delivery is to use Advanced Demand Information (ADI) in which customers place their orders ahead of their due date. ADI can be divided into perfect or imperfect information. Under perfect ADI, customers send accurate demand information to the suppliers, specifying exact quantities and due dates. Under imperfect ADI, customer orders’ quantities and/or due dates may change over time or order cancellations may occur. This research focuses on the effects of three types of imperfect ADI on different production systems: changing due dates, changing order quantities, and cancellations. Three different model variations simulate a pull system, a push system, and a hybrid system. We found that only cancellations and changing order quantities had a significant effect on system performance. Generally, the pull and the hybrid system behaved similarly and proved to be more suitable for managing imperfect ADI than the push system.

摘要

减少库存和提高准时交货的一种策略是使用高级需求信息 (ADI)，客户可以在其中提前下订单。ADI可以分为完美信息和不完美信息。在完美的 ADI 下，客户向供应商发送准确的需求信息，指定准确的数量和到期日。在不完善的 ADI 下，客户订单的数量和/或到期日可能会随时间而变化，或者可能会发生订单取消。本研究侧重于三种类型的不完善 ADI 对不同生产系统的影响：更改到期日、更改订单数量和取消。三种不同的模型变体模拟拉系统、推系统和混合系统。我们发现只有取消和更改订单数量对系统性能有显着影响。一般来说，