Robustness is a key issue when deciding upon your using a \"Pull\" vs a \"Push\"

Question

Robustness is a key issue when deciding upon your using a "Pull" vs a "Push" production control system. 1. Identify the solid-line profit function as either "push" or "pull" and the dashed-line profit function as either "push" or "pull." (In other words which one is which?). 2. The optimum control point is shown on the x-axis as a percentage of optimal. When you are at 100% optimum for push what is the setting (WIP or TH)? And, when you are at 100% optimum for pull what is the setting (WIP or TH)? 3. Use this graph to explain which is more robust (CONWIP/pull or push) for setting the optimum control value of WIP or TH and why?

Explanation / Answer

Answer-1 solid line profit function is pull function and dotted line is push function.

Answer-2 For 100% push the setting is TH. For 100% pull the setting is WIP.

Answer-3 Conwip is more useful than push as it is more observable, more robhust and effitient than push function.

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