A Visual Interface Diagram For Mapping Functions In Integrated Products

Mattias Ingerslev , Mikkel Oliver Jespersen, Simon Moritz Göhler, Thomas J. Howard

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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In product development there is a recognized tendency towards increased functionality for each new product generation. This leads to more integrated and complex products, with the risk of development delays and quality issues as a consequence of lacking overview and transparency.
The work described in this article has been conducted in collaboration with Novo Nordisk on the insulin injection device FlexTouch® as case product. The FlexTouch® reflects the characteristics of an integrated product with several functions shared between a relatively low number of parts.
In this article we present a novel way of visualizing relations between parts and functions in highly integrated mechanical products. The result is an interface diagram that supports design teams in communication, decision making and design management. The diagram gives the designer an overview of the couplings and dependencies within a product that can be used to estimate higher level consequences when making design changes. The diagram has further been used as a basis for evaluating the criticality of internal parts and functional organs.
Original languageEnglish
Title of host publicationProceedings of the 20th International Conference on Engineering Design (ICED15)
Number of pages10
PublisherDesign Society
Publication date2015
Publication statusPublished - 2015
Event20th International Conference on Engineering Design: Design for Life - Milan, Italy
Duration: 27 Jul 201531 Jul 2015
Conference number: 20


Conference20th International Conference on Engineering Design
Internet address


  • Functional Modelling
  • Robust Design
  • Decision Making
  • Design Change Management
  • Complexity

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