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Title: Evolving product form designs using parametric shape grammars integrated with genetic programming
Authors: Lee, HC
Tang, MX 
Keywords: Configuration designs
Evolutionary shape grammars
Genetic programming
Interactive grammar-based design systems
Product designs
Issue Date: 2009
Publisher: Cambridge Univ Press
Source: Artificial intelligence for engineering design, analysis and manufacturing: aiedam, 2009, v. 23, no. 2, p. 131-158 How to cite?
Journal: Artificial Intelligence for Engineering Design, Analysis and Manufacturing: AIEDAM 
Abstract: The two critical issues related to product design exploration are addressed: the balance between stylistic consistency and innovation, and the control of design process under a great diversity of requirements. To address these two issues, the view of understanding product design exploration is first sought. In this view, the exploration of designs is not only categorized as a problem-solving activity but also as a problem-finding activity. A computational framework is developed based on this view, and it encompasses the belief that these two activities go hand in hand to accomplish the design tasks in an interactive design environment. The framework adopts an integration approach of two key computational techniques, shape grammars and evolutionary computing, for addressing the above two critical issues. For the issues of stylistic consistency, this paper focuses on the computational techniques in balancing the conflicts of stylistic consistency and innovation with shape grammars. For the issues of controlling design process, the practical concerns of monitoring the design process through various activities starting from the preparation works to the implementation of shape grammars have been emphasized in the development of this framework. To evaluate the effectiveness of the framework, the experiments have been set up to reflect the practical situations with which the designers have to deal. The system generates a number of models from scratch with numerical analysis that can be evaluated effectively by the designers. This reduces the designers' time and allows the designers to concentrate their efforts on performing higher level of design activities such as evaluation of designs and making design decisions.
DOI: 10.1017/S0890060409000031
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