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Reuse of principle solution elements in conceptual design: an information model for concepts in systematic design
Linköping University, Department of Mechanical Engineering, Machine Design. Linköping University, The Institute of Technology.
2003 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Product development is an important activity in engineering design, and much of the competitiveness in high-salary countries depends on the ability to develop innovative products with acceptable time to market.

The early phase of a systematic design process, namely conceptual design, during which the principle solution for a product is conceived, is of high importance for the later success of products. Available design support tools are mainly oriented towards embodiment design (e.g. volume modellers), and they are not effectively supporting conceptual design.

During conceptual design, creative steps and the modelling of function structures, principle solutions and concepts must be supported in order to reduce the high time need of systematic design methods.

Literature as well as existing research prototypes have been analysed to determine the state of the art in research regarding computer supported conceptual design. Design projects of master's degree engineering students, previously carried-out at the division, have been studied in order to gain insight into the needs and possibilities of supporting concept generation for various design tasks.

The work has resulted in a parametric information model that is able to describe concepts as choices of principle solution elements and their quantification by value choices. The model is operating on higher semantic level than e.g. document or model files by applying a constraint network that connects parameters of requirements, function structure, principle solutions and concepts. The model has been tailored towards easy exchangeability of principle solution elements by a division into different constraint types, of which internal constraints directly are reusable. The presented information model has been partly verified in a prototype implementation.

Place, publisher, year, edition, pages
Linköping: Linköpings universitet , 2003. , 96 p.
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1044
Series
LiU-TEK-LIC, 43
Keyword [en]
conceptual design, functional modelling, constraint-based design, design reuse, VDI 2222, product modelling, design support
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-22609Local ID: 1889ISBN: 91-7373-746-1 (print)OAI: oai:DiVA.org:liu-22609DiVA: diva2:242922
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2013-11-13
List of papers
1. A decomposition and function structure tool for concept generation
Open this publication in new window or tab >>A decomposition and function structure tool for concept generation
2001 (English)In: WDK 28: Proceedings of ICED 01, Glasgow, UK, 21.-23.08.2001 / [ed] Culley, S.; Duffy, A.; McMahon, C.; Wallace, K., 2001Conference paper, Published paper (Other academic)
Abstract [en]

This paper describes the properties of a tool for the early stages of product design. This tool will support the functional decomposition and the modelling of the function structure as well as the reuse of existing knowledge. It should be an interactive tool with a suitable interface.

National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-100833 (URN)1-86058-356-3 (ISBN)
Conference
13th International Conference on Engineerings Design. ICED 01. Glasgow, August 21-23. 2001
Available from: 2013-11-13 Created: 2013-11-13 Last updated: 2013-11-13
2. Modelling of means in conceptual design
Open this publication in new window or tab >>Modelling of means in conceptual design
2002 (English)In: Proceedings of the 7th International Design Conference. Vol. 1 / [ed] Marjanovic, D., Zagreb: Faculty of Mechanical Engineering and Naval Architecture , 2002, 579-584 p.Conference paper, Published paper (Refereed)
Abstract [en]

The systematic design approach proposes functional decomposition as a central element of conceptual design [Pahl; Beitz 1999]. This paper treats the objects used during conceptual design of such a systematic design process on the example of several student projects. It is commonly agreed upon that the choice of an adequate concept is crucial for the following embodiment and detail design phases, as a bad principle solution cannot be compensated even by a good detail design. Tools for concept generation are available, but often paper-based, e.g. design catalogues [Roth 2001], and not optimal regarding quick access and large amounts of information. "Building blocks" of principle solution elements with higher degree of aggregation suitable for search and reuse are desired, but require the prior knowledge of how objects of conceptual design, and specifically means, can be modelled.

Place, publisher, year, edition, pages
Zagreb: Faculty of Mechanical Engineering and Naval Architecture, 2002
Keyword
product modelling, conceptual design, design support
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-22613 (URN)1893 (Local ID)953-6313-46-4 (ISBN)1893 (Archive number)1893 (OAI)
Conference
International Design Conference - Design 2002, Dubrovnik, May 13-17, 2002
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2013-11-13
3. Search methods for principle solution elements in conceptual design
Open this publication in new window or tab >>Search methods for principle solution elements in conceptual design
2002 (English)In: Proceedings of the 4th NordDesign Conference NordDesign 2002, Visions and Values in Engineering Design / [ed] Boelskifte, P; Sigurjónsson, J. B., Trondheim: NTNU , 2002, 343-351 p.Conference paper, Published paper (Refereed)
Abstract [en]

Search for principle solution elements is a crucial step in conceptual design. In order to support this search and facilitate reuse of existing knowledge, search methods are analysed regarding their applicability for engineering design. A combination of search methods working on higher semantic level is proposed for further verification in a prototype for computer support.

Place, publisher, year, edition, pages
Trondheim: NTNU, 2002
Keyword
conceptual design, design support, solution search, partial model
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-22614 (URN)1894 (Local ID)82-91917-13-2 (ISBN)1894 (Archive number)1894 (OAI)
Conference
4th NordDesign Conference NordDesign 2002, Visions and Values in Engineering Design, August 14-16, Trondheim, Norway
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2013-11-13
4. A conceptual design support system using principle solution elements
Open this publication in new window or tab >>A conceptual design support system using principle solution elements
2003 (English)In: 14th International Conference on Engineering Design: Research for Practice - Innovative Products, Processes and Organisations / [ed] Folkeson, A; Gralén, K; Norell, M; Sellgren, U, Glasgow: The Design Society , 2003, 295-296 p.Conference paper, Published paper (Refereed)
Abstract [en]

The parametric modelling paradigm has become important in shape design and simulation. A prerequisite for product development with an integrated digital model is the availability of parametric models even for early design stages. This paper presents a parametric information model for conceptual design, consisting of requirements, hierarchical functions, function structure, principle solution elements and concepts, and a computer tool prototype based on the model.

Place, publisher, year, edition, pages
Glasgow: The Design Society, 2003
Keyword
concept generation, early phases of design, constraint-based design, functional modelling
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-22611 (URN)1891 (Local ID)1-904670-00-8 (ISBN)1891 (Archive number)1891 (OAI)
Conference
International Conference on engineering desing, ICED 03, Stockholm, August, 19-21, 2003
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2013-11-13

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