A Conceptual Model Combination for the Unification of Design and Tolerancing in Robust Design

Grauberger, Patric; Goetz, Stefan; Schleich, Benjamin; Gwosch, Thomas; Matthiesen, Sven; Wartzack, Sandro

doi:10.1017/dsd.2020.12

Cited by 7 publications

(14 citation statements)

References 27 publications

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“…Similar to coupled KCs, multiple states in the present implementation lead to overlapping. However, this process can be improved by a linkage of the graphbased tolerance representation of concepts with approaches that capture these states in a structured way (Grauberger et al 2020).…”

Section: Discussionmentioning

confidence: 99%

Integrated approach enabling robust and tolerance design in product concept development

et al. 2021

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Along with the ever-increasing customer demands, early consideration of variation in terms of robust design is important to avoid expensive iterations in the product development. However, existing methods are detached from the development process and can therefore only be applied at a late stage or only with comprehensive expert knowledge. Especially in the concept stage, where the geometry of a product is not yet defined and the optimisation potential is high, effective solution proposals for systematic consideration of variation are lacking. Therefore, this paper describes a new integrated approach facilitating robust and tolerance design in the concept stage. The novelty of the approach using ontologies and graph-based visualisation is the close linkage of product development and tolerance knowledge, which allows automation and helps to avoid time- and cost-intensive iteration loops. As a result, a robust and tolerance-compliant concept design, an initial qualitative tolerance specification and instructions for the further tolerancing process are already available at the end of the concept stage. The applicability and the benefits of the approach are illustrated by representative case studies and a user study allowing a critical comparison between the conventional, mostly subjective procedure and the presented approach.

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Section: Discussionmentioning

confidence: 99%

Integrated approach enabling robust and tolerance design in product concept development

et al. 2021

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“…However, in early phases, in which primarily product alternatives are on a conceptual level, this information is not completely available until later development stages [14]. Moreover, the variation of parameters is not part of the respective approaches and therefore integrating the influences of variations is currently not feasible [7]. With respect to the design domain in early stages, the consideration of qualitative for a holistic robustness evaluation is challenging due to the depth of information as well as the computer processability of the mainly graphical models.…”

Section: Related Workmentioning

confidence: 99%

“…Motivated by the lack of a holistic robustness evaluation in early stages and comprising the tolerance as well as design domain, GRAUBERGER ET AL. [7] proposed a conceptual model combination in order to overcome this lack. The concept is based on the graph-based tolerancing approach [25] and the C&C²-Approach [26].…”

Section: Preliminary Research and Approachesmentioning

confidence: 99%

“…For the intended linking of the tolerance and design domain, the C&C²-Approach for the identification of relevant embodiment information and the tolerance graph for the robustness evaluation of concepts are well suited [7]. The conceptual combination of both approaches has the advantage that an enhancement of the evaluation of robust concepts by the results of the state-dependent analysis of EFR is now possible.…”

Section: Conceptual Model Combinationmentioning

confidence: 99%

“…In order to contribute to this goal, the present paper deals with the early robustness evaluation of product concepts in a combined model. Based on a first conceptualization [7], the theoretical concept will be extended by a unified data model, which is used to link the individual and primarily graphical models of the tolerance and design domain. Within this paper, the related work is presented in section 2, followed by relevant preliminary work regarding the used approaches of the two domains (sections 3.1 and 3.2) as well as the concept for the combined robustness evaluation in section 3.3.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A model-based approach for early robustness evaluation â€“ Combination of Contact and Channel Approach with tolerance graphs in SysML

Horber¹,

Li²,

Grauberger³

et al. 2022

DS 119: Proceedings of the 33rd Symposium Design for X (DFX2022)

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Considering variations is essential for the development of robust products, but the applicability of existing robust design approaches in early stages is challenging due to the lack of product information and high levels of abstraction. To overcome this, a combined model is presented, which enables a holistic robustness evaluation in a linked approach. This approach uses the contact and channel approach to identify the relations between embodiment and functions as well as the robustness evaluation based on tolerance graphs. The combined model is implemented with the Systems Modeling Language (SysML) and applied to a coining machine use case. An initial assessment of the model combination and a proposal for a methodically supported workflow for the holistic robustness evaluation is given.

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Mapping the landscape of product models in embodiment design

Paehler,

Matthiesen

2024

Res Eng Design

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During an engineering design process, designers create sequences of product models by switching between product models with different purposes. To enable an efficient use of these product models, researchers are required to anticipate the compatibility of the models in application by designers. This is necessary as the information in an existing product model may not be usable for a subsequent product model. However, the corresponding information on compatibility was not accessible to researchers as it was scattered across various publications. Hence, the objective of this contribution was to develop a structured overview, a landscape of linkable and non-linkable product models in embodiment design to merge the information. For this purpose, a literature review containing a grounded theory-based analysis was conducted and the results were visualized using the network visualization software Gephi. The key learnings of the visualized landscape of 52 product models can be summarized as follows: (1) some models are already closely linked to each other by compatible inputs and outputs; (2) other product models are noticeable with mostly unknown linking possibilities due to incompatible inputs and outputs or insufficient descriptions in the literature. 14 product models offer two linking possibilities or less. In these cases, it is unclear how they interact with other product models in an engineering design process. In conclusion, the product model landscape provides insight into the compatibility of product models to support the development of existing and new product models for sequential use by designers.

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A Conceptual Model Combination for the Unification of Design and Tolerancing in Robust Design

Cited by 7 publications

References 27 publications

Integrated approach enabling robust and tolerance design in product concept development

Integrated approach enabling robust and tolerance design in product concept development

A model-based approach for early robustness evaluation â€“ Combination of Contact and Channel Approach with tolerance graphs in SysML

Mapping the landscape of product models in embodiment design

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