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ICED 11
Papers

HETEROGENEOUS SIMULATED ANNEALING TEAMS: AN OPTIMIZING SEARCH ALGORITHM INSPIRED BY ENGINEERING DESIGN TEAMS

HETEROGENEOUS SIMULATED ANNEALING TEAMS: AN OPTIMIZING SEARCH ALGORITHM INSPIRED BY ENGINEERING DESIGN TEAMS

Year: 2015

Section: Design Methods and Tools - part 2

Editor: Christian Weber, Stephan Husung, Marco CantaMESsa, Gaetano Cascini, Dorian Marjanovic, Serena Graziosi

Author: McComb, Christopher; Cagan, Jonathan; Kotovsky, Kenneth

Series: ICED

Institution: Carnegie Mellon University, United States of America

Section: Design Methods and Tools - part 2

Pages: 225-234

ISBN: 978-1-904670-69-8

ISSN: 2220-4334

Abstract

Although insights uncovered by design cognition are often utilized to develop the methods used by human designers, using such insights to inform computational methodologies also has the potential to improve the performance of design algorithms. This paper uses insights from research on design cognition and design teams to inform a better simulated annealing search algorithm. Simulated annealing has already been established as a model of individual problem solving. This paper introduces the Heterogeneous Simulated Annealing Team (HSAT) algorithm, a multi-agent simulated annealing algorithm. Each agent controls an adaptive annealing schedule, allowing the team develop heterogeneous search strategies. Such diversity is a natural part of engineering design, and boosts performance in other multi-agent algorithms. Further, interaction between agents in HSAT is structured to mimic interaction between members of a design team. Performance is compared to several other simulated annealing algorithms, a random search algorithm, and a gradient-based algorithm. Compared to other algorithms, the team-based HSAT algorithm returns better average results with lower variance.

Keywords: Optimization, Numerical Methods, Computational Design Synthesis, Teamwork

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ds conferenceICED15 The 20th International Conference on Engineering Design 27-31st July 2015

The registration for ICED15 is open. The theme of the conference is DESIGN FOR LIFE - Design for Contended Life, Design for healthy Life, Design for Sustainable Life For Full conference information about this important Design Society event go to http://iced2015.org/ See you in Milan!...

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SIG Workshop - March 2013