A design framework built upon the two design Axioms for good decision-making during the mapping between “what we want (function requirements)”, and “how we can achieve them (design parameters).”
Axiomatic Design Terminology
Axioms: Self-evident truth or fundamental truth for which there are no counterexamples or exceptions. An axiom cannot be derived from other laws or principles of nature.
Functional requirements (FRs): A minimum set of independent requirements that completely characterize the needs of the product in the functional domain.
Constraints: Bounds on acceptable solutions. Constraints are requirements, which may look like FRs but are not independent.
Design parameters (DPs): Key variables in the physical domain that characterize the design that satisfies the specific FRs.
Process variables (PVs): Key variables in the process domain that characterizes the process that can generate the specific DPs.
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