A method for robust design in a coupled decision environment

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dc.contributor.authorSharma, Gehendra
dc.contributor.authorAllen, Janet K.
dc.contributor.authorMistree, Farrokh
dc.date.accessioned2022-03-11T22:49:28Z
dc.date.available2022-03-11T22:49:28Z
dc.date.issued2021-10-28
dc.description.abstractThe design of a connected engineered system requires numerous design decisions that influence one another. In a connected system that comprises numerous interacting decisions involving concurrency and hierarchy, accounting for interactions while also managing uncertainties, it is imperative to make robust decisions. In this article, we present a method for robust design using coupled decisions to identify design decisions that are relatively insensitive to uncertainties. To account for the influence among decisions, design decisions are modelled as coupled decisions. They are defined using three criteria: the types of decisions, the strength of interactions and the decision levels. In order to make robust decisions, robust design methods are classified based on sources of uncertainty, namely, Type I (noise factors), Type II (design variables) and Type III (function relationship between design variables and responses). The design of a one-stage reduction gearbox is used as a demonstration example. To illustrate the proposed method for robust design using coupled decisions, we present the simultaneous selection of gear material and gearbox geometry in a coupled decision environment while managing the uncertainties involved in designing gearboxes.en_US
dc.description.peerreviewYesen_US
dc.identifier.citationDesign Science, Volume 7, 2021, e23 DOI: https://doi.org/10.1017/dsj.2021.22en_US
dc.identifier.doihttps://doi.org/10.1017/dsj.2021.22en_US
dc.identifier.urihttps://hdl.handle.net/11244/334968
dc.languageenen_US
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectrobust designen_US
dc.subjectmanaging uncertaintiesen_US
dc.subjectcoupled decisionsen_US
dc.subjectdesigning gearboxesen_US
dc.titleA method for robust design in a coupled decision environmenten_US
dc.typeArticleen_US

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