NDLI: The advantages of generative grammatical encodings for physical design

Content Provider	IEEE Xplore Digital Library
Author	Hornby, G.S. Pollack, J.B.
Copyright Year	2001
Description	Author affiliation: DEMO Lab., Brandeis Univ., Waltham, MA, USA (Hornby, G.S.)
Abstract	One of the applications of evolutionary algorithms is the automatic creation of designs. For evolutionary techniques to scale to the complexities necessary for actual engineering problems, it has been argued that generative systems, where the genotype is an algorithm for constructing the final design, should be used as the encoding. We describe a system for creating generative specifications by combining Lindenmayer systems with evolutionary algorithms, and we apply it to the problem of generating table designs. Designs evolved by our system reach an order of magnitude more parts than previous generative systems. Comparing it against a non-generative encoding, we find that the generative system produces designs with higher fitness and is faster than the non-generative system. Finally, we demonstrate the ability of our system to go from design to manufacture by constructing evolved table designs using rapid prototyping equipment.
Starting Page	600
Ending Page	607
File Size	1446979
Page Count	8
File Format	PDF
ISBN	0780366573
DOI	10.1109/CEC.2001.934446
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-05-27
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Encoding Algorithm design and analysis Manufacturing Prototypes Evolutionary computation Organisms Design engineering Scalability Shape Tiles
Content Type	Text
Resource Type	Article

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