The Translation between Functional Requirements and Design Parameters for Robust Design

Göhler, Simon Moritz; Husung, Stephan; Howard, Thomas J.

doi:10.1016/j.procir.2016.02.028

Cited by 9 publications

(7 citation statements)

References 5 publications

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“…Göhler et al [22] proposed a methodological framework to decompose the functional requirement into sources of variation that will become the design parameters. This framework focuses on geometry plus other different parameters, e.g.…”

Section: State Of the Artmentioning

confidence: 99%

Tolerance specifications management in industrial product design cycle

Maltauro

Meneghello

Concheri

2023

Preprint

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In tolerancing activities, focusing on geometrical tolerances allocation, many critical issues originate from a non-optimal responsibilities assignment among the involved organization units. This paper aims to depict relations between different tolerancing activities, and relevant specifications, assigning them to the proper actor, therefore expanding the ISO 8015:2011 “responsibility principle”. A classification among tolerancing activities, specifications, and media is proposed; a horizontal hierarchical framework, among functional, manufacturing, and verification specifications and a vertical hierarchical framework, along the supply chain, are discussed. Examples of both hierarchical structures are presented.

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Section: State Of the Artmentioning

confidence: 99%

Tolerance specifications management in industrial product design cycle

Maltauro

Meneghello

Concheri

2023

Preprint

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“…Thus, this traditional robust design mainly deals with Design of Experiments (DoE), statistics and optimization [5,30,31]. Therefore, transfer functions, which represent the relation between design parameters and product behavior, are determined by experiments or simulations and evaluated [32]. The product behavior is mapped by the quantifiable parameters respectively characteristics.…”

Section: Late Robust Designmentioning

confidence: 99%

Early Robust Design—Its Effect on Parameter and Tolerance Optimization

2021

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The development of complex products with high quality in dynamic markets requires appropriate robust design and tolerancing workflows supporting the entire product development process. Despite the large number of methods and tools available for designers and tolerance engineers, there are hardly any consistent approaches that are applicable throughout all development stages. This is mainly due to the break between the primarily qualitative approaches for the concept stage and the quantitative parameter and tolerance design activities in subsequent stages. Motivated by this, this paper bridges the gap between these two different views by contrasting the used terminology and methods. Moreover, it studies the effects of early robust design decisions with a focus on Suh’s Axiomatic Design axioms on later parameter and tolerance optimization. Since most robust design activities in concept design can be ascribed to these axioms, this allows reliable statements about the specific benefits of early robust design decisions on the entire process considering variation in product development for the first time. The presented effects on the optimization of nominal design parameters and their tolerance values are shown by means of a case study based on ski bindings.

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“…This breakdown constitutes a significant concretization of the product and is therefore often time-consuming. Nevertheless, this step is essential at the beginning of the product development process, especially with regard to a robust product design (Göhler et al, 2016). In this context these parameters, which map the requirements in a quantifiable way, are usually called Key Characteristics (KCs) (Thornton, 2004).…”

Section: Related Workmentioning

confidence: 99%

Simultaneous Definition of Key Characteristics in Order to Facilitate Robust Design in Early Product Development Stages

et al. 2021

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The success of complex product development projects strongly depends on the clear definition of target factors that allow a reliable statement about the fulfilment of the product requirements. In the context of tolerancing and robust design, Key Characteristics (KCs) have been established for this purpose and form the basis for all downstream activities. In order to integrate the activities related to the KC definition into product development as early as possible, the often vaguely formulated requirements must be translated into quantifiable KCs. However, this is primarily a manual process, so the results strongly depend on the experience of the design engineer.In order to overcome this problem, a novel computer-aided approach is presented, which automatically derives associated functions and KCs already during the definition of product requirements. The approach uses natural language processing and formalized design knowledge to extract and provide implicit information from the requirements. This leads to a clear definition of the requirements and KCs and thus creates a founded basis for robustness evaluation at the beginning of the concept design stage. The approach is exemplarily applied to a window lifter.

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The Translation between Functional Requirements and Design Parameters for Robust Design

Cited by 9 publications

References 5 publications

Tolerance specifications management in industrial product design cycle

Tolerance specifications management in industrial product design cycle

Early Robust Design—Its Effect on Parameter and Tolerance Optimization

Simultaneous Definition of Key Characteristics in Order to Facilitate Robust Design in Early Product Development Stages

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