HW3-Spring2008 Soln - Assume PULL policy unloading takes...

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Dual resource model with with W=1 How can you enrich this to allow multiple Workers? How can you model to a PUSH policy? (load before unloading) Run {Q--, M--, W=0} {W=1} ELoad SLoad (M&Q&!U) t L (W&M) Arrive t a {Q++} {W=1, Q=0, U=0} (W) ~ ~ {W=0,U--} SUnload StartP EndP EUnload ~ ~ ~ t U t P {U++} (U) ~ (W) {W=1,M++} (U) (Q&!U) W = number of idle workers ( 1 worker) M= number of idle machines Q = number of parts waiting in line U = number of machines waiting to unload t L = time to load t P = time to process t U = time to unload t a = time between product arrivals Assume PULL policy ( unloading takes priority over loading)
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