A Science of Manufacturing - The seeds of science

10 important questions on A Science of Manufacturing - The seeds of science

Beginning with Aristotle (d. 322 BC) and for nearly 2,000 years thereafter, what four "causes" did metaphysics always involve?

-material cause (material from which an object or system is made.)
-efficient cause (the thing that made it.)
-formal cause (pattern or essence of the system or object.)
-final cause (the end or purpose for which the object or system is made.)

What are the three forms a buffer can take?

-Inventory (extra material in the transformation process or between it and the demand process)
-Time (a delay between a demand and satisfaction of it by the transformation process)
-Capacity (extra transformation potential needed to satisfy irregular or unpredictable demand rates)

What essential understanding is required for the design and management of efficient production systems?

The underlying causes of variability and the buffers it begets.
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Which of the three buffers are related to flow and which are related to stock?

-Inventory: stock
-time: flow
-capacity: flow

Why are descriptive models the basis of all models?

They simplify complex realities by distilling out essential behaviors.

Why does engineering and management also require prescriptive models to aid decision making?

They are object-oriented disciplines.

How do prescriptive models differ from descriptive models?

Prescriptive models are typically derived from a set of mathematical assumptions. Descriptive models are statements about nature, and although scientific models use mathematics as a language, they are not derived from mathematics. Instead, scientific models are essentially conjectures about the way things work, The resulting descriptive models provide the foundation for prescriptive models used by practitioners in applied fields.

What type of flows are demand and transformation?

-Demand: inflow
-transformation: outflow

How does science sharpen intuition?

Through the use of models.

How does science facilitate synthesis of complex systems?

By providing a unified framework.

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