Design-in of Reliability through Axiomatic Design PDF

Keywords

Keywords-Reliability; Independence axiom; Axiomatic design; Failure modes mitigation; Functional requirement preserving domain; Temperature sensor.

Abstract

To completely meet the requirements of reliability design in the product designing, an axiom-based Design-in Reliability approach is proposed. In light of the axiomatic design principles, products are designed preliminarily to establish their functional requirements. According to these, functions preserving requirements are augmented, which constitute a Functional Requirement Preserving domain included in functional domain, and derives the parameterized solution for reliability design systematically. Subsequently, the design parameters are augmented and optimized to achieve the functions preserving requirements. Mapping model of the augmented functional domain and the physical domain is established. And a solutions evaluation approach based on Independence Axiom is proposed. Ultimately, via identifying the potential failure modes from the perspective of the disappearance or reduction of functions preserving capability, a control process is elaborated to mitigate the failure modes on the basis of independence axiom and logic decision in order for the reliability requirements to be implemented. Being exemplified by the design of a temperature sensor, the present study demonstrates that all approaches are feasible, efficient, and could be applied in real engineering scenarios.