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Reducing the Effects of Failure Propagation in Periodic Processes Involving Intermediate Storage with Multiple Input / Multiple Output Streams
Reducing the Effects of Failure Propagation in Periodic Processes Involving Intermediate Storage with Multiple Input / Multiple Output Streams
Gyeong Beom Yi , Gintaras V . Reklaitis
UCI I410-ECN-0102-2008-570-001945843
This article is 4 pages or less.

Batch processes are susceptible to long term production failures that adjacent intermediate storage cannot absorb totally and therefore force the shut-down of adjacent units. Because batch processes have many timing constraints, a careless storage operation leads to the propagation of the failures along the production line which results in a great additional loss of productivity. This article develops operational algorithms for the basic MIMO storage system in the presence of failures of the processing units, up or down-stream of the storage facility. Specially, we consider a class of long term failures which affect all or a subset of the multiple input/output streams. Algorithms are carefully designed to satisfy physical constraints and fully utilize the storage capacity, while minimizing the duration of forced shut-downs. An example study simulating failures demonstrates the effectiveness of our approach.

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