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Axiomatic Design - Simplified Design of Complex Systems
- NamPyo Suh (Author), Masayuki Nakao (Translator), Kenji Iino (Translator), Yotaro Hatamura (Translator)
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1.6 Axiomatic and algorithmic approaches
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CA: Customer Attributes
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FR: Requested function
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C: Constraints
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DP: Design solution for entity domain
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PV: Process variable (production conditions in the process area)
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Independence Axlom
- FRs are defined as the minimum number of independent requirements that describe the design goals, and FR independence must be maintained at all times
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Information Axlom
- The best design is the one with the least amount of information required in a design that satisfies the independence axiom.
- In other words, the design with the highest probability of success is the best design(?).
- Definition of information:.
- In other words, the “information” he refers to is a value that is 0 when the probability of success is 1 and ∞ when it is 0
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The mapping from requirements function to design is represented by matrix A.
- FR = A DP
- Independent design when the matrix is a diagonal matrix, quasi-independent design when the matrix is a triangular matrix, and interference design otherwise.
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Axiom 1 (Independence Axiom): The design matrix must be of independent or quasi-independent design
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Axiom 2 (Information Axiom): The optimal design is the one with the least amount of information among designs that satisfy the independence axiom.
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