Modeling the influence of set-up cycles on the logistic objectives

与序列相关的设置时间，公司面临的挑战是权衡目标产出率，生产时间，在制品和进度可靠性。到目前为止，还没有模型能够描述设置周期对这些物流目标的影响，并具有普遍的有效性。该研究项目有两个主要目标：1。开发一个定量模型，描述设置周期对产出率和吞吐量时间的影响，作为使用操作曲线的平均在制品的函数。建立定量模型，将装配周期对延迟的影响描述为平均在制品和装配家族生产时间的函数。随着第一个主要目标的实现，建立周期对物流目标的影响，在制品、生产时间和产出率将第一次以定量和普遍有效的方式建模。第二个主要目标的实现使建立周期对迟到的影响建模成为可能。主要结果是最大和平均绝对延迟作为在制品和设置家庭的生产时间的函数。因此，总体目标是将所有四个物流目标建模为在制品和装配家庭生产时间的函数。这将允许公司首次在全面定量信息的基础上决定是否与设置周期排序，并在物流定位中设置设置周期的参数。

With Sequence dependent set-up times companies are facing the challenge to trade off the objectives output rate, throughput time, WIP and schedule reliability. Up to now no model exists that describes the impact of set-up cycles on these logistic objectives with general validity.The research project aims at two major goals:I. Development of a quantitative model that describes the impact of set-up cycles on output rate and throughput times as a function of the mean WIP using operating curves.II. Development of a quantitative model that describes the impact of set-up cycles on lateness as a function of the mean WIP and the production times of the set-up families. With the achievement of the first major goal, the impact of set-up cycles on the logistic objectives WIP, throughput time and output rate would be modeled for the first time in a quantitative and generally valid way.The achievement of the second major goal makes it possible to model the influence of set-up cycles on lateness. The main result is the maximum and the mean absolute lateness as a function of WIP and the production times of the set-up families.The overall goal therefore is to model all four logistic objectives as a function of WIP and of the production times of the set-up families. This will allow companies for the first time to decide on the basis of comprehensive quantitative information for or against sequencing with set-up cycles and to set the parameters of the set-up cycles in a logistic positioning.