Document Type dissertation Author Name Shakeri, Cirrus URN etd-101399-155624 Title Discovery of Design Methodologies for the Integration of Multi-disciplinary Design Problems Degree PhD Department Mechanical Engineering Advisors Professor David C. Brown, Advisor Professor Mohammad N. Noori, Advisor and Department Head Dr. Susan E. Lander, Committee Member Professor John M. Sullivan, Jr., Committee Member Professor Michael A. Demetriou, Committee Member Professor Allen H. Hoffman, Graduate Committee Representative Keywords interdisciplinary multi-agent methodology discovery design artificial intelligence Date of Presentation/Defense 1998-11-04 Availability unrestricted
In order to succeed in today’s global, competitive market, manufacturing industries need continuous improvements in their multi-disciplinary design processes. These improvements should result in expending fewer resources on the design process while achieving better quality and more environmentally friendly products. The current approach for improving design processes is mostly based on intuitive observations followed by incremental changes to the existing methodologies. However, today’s fast-paced world needs rapid incorporation of new technologies and methods into design methodologies. Recent advances in the application of Artificial Intelligence to design Multi-agent Design Systems in particular-provide an opportunity to accomplish this goal. The inter-disciplinary collaboration between Computer Science and Engineering Design provides the means to develop systematic and holistic approaches for constructing superior design methodologies.
An innovative approach has been developed that is based on simulating the design process using a multi-agent system that mimics the behavior of the design team. The multi-agent system implements a knowledge-based model of design in which highly specialized knowledge from expert sources is applied to synthesize a design. The multi-agent system activates the pieces of design knowledge when they become applicable. The use of knowledge by agents is recorded by tracing the steps that the agents have taken during a design project. Many traces are generated by solving a large number of design projects that differ
in their requirements. A set of design methodologies is constructed by using inductive
learning techniques to generalize the traces generated. These methodologies then can be used to guide design teams through future design projects.
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