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Days of Supply and Availability projections to support supply chain business function

Author: 
Nukul Suagndhi (Whirpool Corporation)

CHALLENGE - Days of supply and availability projections play a crucial role in the process of Supply chain planning. Limited ability to analyze the sensitivity around Supply chain can result in additional logistics costs and may also result in loss of market share due to trade partner issues. Availability/Days of supply are directly affected by Shipment forecasts and Production plan. Robust supply chain planning requires quantification of Supply risks.

SOLUTION - The paper explores the use of robust design optimization in Supply chain planning using predictive models for stochastic shipment forecasts and production plan. Polynomial Chaos Expansion is used to quantify the Days of supply risk ahead of time by considering fluctuations in shipment and production.

BENEFITS - Several what if scenarios are run to see the impact of shipment/production fluctuations on Supply risks and a production plan is optimized to provide minimum inventory cost and maximum plant utilization keeping minimum days of supply and availability constrained.
 

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