A fuzzy set approach to activity scheduling for product development

J R Wang ()
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J R Wang: Feng Chia University

Journal of the Operational Research Society, 1999, vol. 50, issue 12, 1217-1228

Abstract: Abstract Industries need to effectively manage their product development processes to reduce the product development time and cost. Due to incomplete design information at the early stage of product development, the duration of each activity is difficult to estimate accurately. The objective of this research is to develop a methodology to schedule product development projects having imprecise temporal information. The research problem is formulated as a fuzzy constraint satisfaction problem and a new method based on possibility theory is proposed to determine the satisfaction degrees of fuzzy temporal constraints. Based on the proposed method, a fuzzy scheduling procedure is developed to construct a schedule with the least possibility of being late and to maximize the satisfaction degrees of all fuzzy temporal constraints. Moreover, the computational efficiency of the proposed approach is also discussed. The proposed methodology can produce more satisfactory schedules in an uncertain product development environment.

Keywords: project scheduling; fuzzy set theory; product development (search for similar items in EconPapers)
Date: 1999
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DOI: 10.1057/palgrave.jors.2600814

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