2002_LSS AGV Utilization vs. Throughput-Bottleneck Detection Preprint

2002_LSS AGV Utilization vs. Throughput-Bottleneck Detection Preprint

It is commonly believed, that improving the machine or AGV with the largest utilization improves the throughput. Unfortunately, this is not always the case, as the utilization is a rather imprecise measure of the bottleneck. This paper presents an AGV system, where improving the machine with the largest utilization does not improve the overall system. Rather, the AGV’s with a smaller overall utilization are the bottleneck. The paper applies a bottleneck detection method based on the active periods of the machines and AGV’s, which is able to detect the bottlenecks reliable and accurate.

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