Definition of Design Design is an interplay between what we want to achieve and how we will achieve it. What How we we will want to achieve achieve it CLGO System Engineering by J.J.Gao 11
+ - System Engineering by J. J. Gao 11 Definition of Design
The Four Domains of Design mapping mapping mapping (CAs} (FRs} (DPs} (PVs} Customer Functional Physical Process domain domain domain domain CLGO System Engineering by J.J.Gao 12
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Definitions in Axiomatic Design Customer Attribute (CA)-what customer desire from a product Functional Requirement(FR)-minimum set of independent requirements that completely characterize the functional needs of the product in the functional domain. Design Parameter(DP)-Key physical variables in the physical domain that characterize the design that satisfies the specified FRs. Process Variables (PV)-key variables in the process domain that characterize the process that can generate the specified DPs. System Engineering by J.J.Gao CLGO 13
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Zig Zagging FR DP FR FR2 DP DP2 FRI FR12 DP DP12 FR121 FR122 FR123 DP121 DP122 DP123 FRj231 FR1232 DP1231 DP1232 Functional domain Physical domain CLGO System Engineering by J.J.Gao 14
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Definitions Customer Needs are stated in the customer's language Functional Requirements and Constraints are determined to satisfy Customer Needs "The FRs must be determined in a solution neutral environment"(or,in other words,say "what"not “how") BAD the adhesive should not peel -BETTER the attachment should hold under the following loading conditions Provide Requirements Traceability CLGO System Engineering by J.J.Gao 15
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