Using evolutionary design to interactively sketch car silhouettes and stimulate designer's creativity |
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| Authors: | François Cluzel Bernard Yannou Markus Dihlmann |
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| Affiliation: | 1. Laboratoire Genie Industriel, Ecole Centrale Paris Grande Voie des Vignes, 92290 Chatenay-Malabry, France;2. Institute of Applied Analysis and Numerical Simulation, University of Stuttgart Pfaffenwaldring 57, 70569 Stuttgart, Germany;1. ERPI Laboratory, Université de Lorraine, Nancy, France;2. Polytechnique Montréal, Montreal, Canada;1. Department of Design Manufacture Engineering Management, University of Strathclyde, Level 7, James Weir Building, 75 Montrose Street, G1 1XJ, United Kingdom;2. Glasgow School of Psychological Sciences & Health, University of Strathclyde, 6th floor, Graham Hills Building, 40 George Street, Glasgow, G1 1QE, United Kingdom;1. School of Management and Marketing, Kean University, 1000 Morris Avenue, Union, NJ, USA;2. School of Business, Stevens Institute of Technology, 1 Castle Point on Hudson, Hoboken, NJ, USA |
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| Abstract: | An Interactive Genetic Algorithm is proposed to progressively sketch the desired side-view of a car profile. It adopts a Fourier decomposition of a 2D profile as the genotype, and proposes a cross-over mechanism. In addition, a formula function of two genes' discrepancies is fitted to the perceived dissimilarity between two car profiles. This similarity index is intensively used, throughout a series of user tests, to highlight the added value of the IGA compared to a systematic car shape exploration, to prove its ability to create superior satisfactory designs and to stimulate designer's creativity. These tests have involved six designers with a design goal defined by a semantic attribute. The results reveal that if “friendly” is diversely interpreted in terms of car shapes, “sportive” denotes a very conventional representation which may be a limitation for shape renewal. |
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