Knowledge based engineering: in product development
2003 (English)Report (Other academic)
This report gives an introduction to Knowledge Based Engineering (KBE) in product development. KBE can be seen as a tool for capturing knowledge and reusing it. The concept of KBE is therefore very broad. A spread sheet is a tool for capturing knowledge by implementing equations, or rules, which enables knowledge recycling. Thus, the focus in this report is firstly KBE tools where knowledge is stored as objects which belong to different classes in an object oriented way like Java, C++ among others. Secondly, it is KBE tools which often are coupled to a geometry engine to enable automatic generation of product concepts in terms of virtual prototyping KBE is a subset of Knowledge Based Systems (KBS) which is a spin off from artificial intelligence (AI). KBS is often referred to as "expert system" because they intend to capture expert knowledge and sometimes also generate creative solutions. KBE on the other hand is used to automate mundane time demanding tasks. By freeing people from this routine work more time could be used to come up with new innovative solutions. There are several methods to develop KBE systems among which MOKA represent one example. It is built up from six steps from the beginning to the end of the KBE development process with focus on how to capture and formalize knowledge. There are some commercial KBE-systems which can be bought "of the shelf". Among these ICAD is the first developed system. Benefits with KBE are that optimisation of product concepts is easier and product and process knowledge is stored. Drawbacks are that it is time demanding to develop KBE systems and it can sometimes be seen as a "black box" if the automated procedures are poorly explained to the user. Today's research is focused on improving the development methodologies to enable shorter development time and improve the quality of the systems. KBE is economically demanding to implement in a company structure why mostly large enterprises employ the tool. Therefore it is of interest to develop methods for KBE in Small and Medium sized Enterprises (SME's). Initially KBE in product development meant generating a product concept. Now the capabilities of integrating aspects of other processes are explored. One of these is the manufacturing process and the possibility for concept evaluation in terms of manufacturability.
Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2003. , 15 p.
Technical report / Luleå University of Technology, ISSN 1402-1536 ; 2003:05
Research subject Functional Product Development
IdentifiersURN: urn:nbn:se:ltu:diva-21957Local ID: 0e75baf0-2b44-11dd-8657-000ea68e967bOAI: oai:DiVA.org:ltu-21957DiVA: diva2:995005
Godkänd; 2003; 20080526 (ysko)2016-09-292016-09-29Bibliographically approved