Abstract
The bottleneck (BN) of a production system is a machine with the strongest effect on the system's throughput. In this paper, a method for BN identification in serial lines with rework and Bernoulli machines is developed. In addition, the paper provides two system-theoretic results: First, it demonstrates that BNs may be shifting not only because of changes in machine and buffer parameters but also due to changes in quality of parts produced. Second, it shows that if the split and the merge machines are not the last and the first, respectively, Bernoulli lines with rework do not observe the property of reversibility, and downstream machines may have a larger effect on the throughput than those upstream.
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