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Predictive cost reduction based on a thermodynamic model, in which parameters associated with a process are accessed. The parameters include a quantity of units of Work-in-process at first and second times, and first and second constants respectively indicative of growth between the first and...
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This Application claims the priority of U.S. Provisional Patent Application Serial No. 60/479,333, Filed: June 18, 2003.
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Presentation to John D C Little and Steve Graves
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Derivation of Minimum Batch size to minimize WIP and Cycle Time R
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The Ohno Criterion states that WIP with faster velocities have lower cost than WIP with average slower velocities, in manufacturing cycles per unit time: v=G/W where W= number of pieces of Work In Process Inventory (WIP), and G = rate at which pieces exit from WIP to finished goods per unit...
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Derivation of the the conversion factor ßM, from bits of entropy to dollars of waste
Persistent link: https://www.econbiz.de/10010728836
Effective Mass Me of WIP derived from Little’s Law
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Entropy was first glimpsed in 1824 when Sadi Carnot, son of the Prime Minister of France, observed that steam engines wasted 97% of their heat energy, and wondered how efficient they could be. An engine works by drawing in heat energy Hi from gasoline and exploding it at high temperature Ti,...
Persistent link: https://www.econbiz.de/10008631492
Derivation of the the conversion factor BM, from bits of entropy to dollars of waste
Persistent link: https://www.econbiz.de/10010733772
From the time of Henry Ford it has been known that large reductions in cost result from radical reductions in process cycle time. In the case of a Model T, a reduction in cycle time from 14 days to 33hours (i.e. 90% reduction) allowed the same car to be sold at $345 vs. $850. It would be of...
Persistent link: https://www.econbiz.de/10005549330