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Concurrent Engineering
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Modeling the Product Development Process as a Dynamic System with Feedback

Hong-Zhong Huang

School of Mechatronics Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, PR China; hzhuang{at}uestc.edu.cn

Ying-Kui Gu

School of Mechanical & Electronical Engineering, Jiangxi University of Science and Technology, Ganzhou, Jiangxi, 341000, PR China

The modeling of effective product development process can help manage the overall process efficiently and help organize a multifunctional team to develop products in a concurrent and cooperative manner. In this article, a product development process is viewed as a dynamic system with feedback based on the feedback control theory, and a dynamic system model and its design structure matrix are developed. The model and its design structure matrix can be further divided to capture the interaction and feedback of design information. A fuzzy evaluation method is presented for the evaluation of the performance of a dynamic development process; this allows a development process to be optimized based on re-organizing design constraints, re-organizing design processes, and re-organizing designer's preferences. An example is provided to illustrate the proposed model.

Key Words: process modeling • dynamic model • design structure matrix • process evaluation • information feedback

Concurrent Engineering, Vol. 14, No. 4, 283-291 (2006)
DOI: 10.1177/1063293X06073134
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