| Summary: | 碩士 === 國立臺灣科技大學 === 工業管理系 === 100 === The R&D processes of either commercial or high tech products have faced severe challenge in the recent years due to the business globalization. Many issues have been raised such as shorten product development time, improve design quality, and reduce design cost ..etc. Among those, managing the design process efficiency is an issue rarely been mentioned. For instance, how to properly identify the previous works that might cause a malfunction design task? How to find the following works that have been affected by that malfunction tasks? In this research, a framework to support the reasoning of the casual relations of a malfunction work to assist the project management will be proposed. The design chain of a military solar cell will be modeled according DCOR（Design Chain Operations Reference- model）. Then, the causal relations among the design activities based on the knowledge of military product design experts will be quantified by using fuzzy method. DWR (Discourse, Worlds, Relations ontology）will be used to represent the ontology of the design chain knowledge. Finally, a reasoning engine will be constructed in the Protégé by integrating the DWR ontology and SWRL rules.
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