A modular modeling approach for the design of reconfigurable machine tools
Stein, J. L.
Louca, Loucas S.
PublisherAffiliation: Department of Mechanical Engineering, University of Michigan, Ann Arbor, United States
Affiliation: Department of Mechanical and Manufacturing Engineering, University of Cyprus, Cyprus
Correspondence Address: Ersal, T.
Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI, United States
SourceAmerican Society of Mechanical Engineers, Manufacturing Engineering Division, MED
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A new generation of machine tools called Reconfigurable Machine Tools (RMTs) is emerging as a means for industry to be more competitive in a market that experiences frequent changes in demand. New methodologies and tools are necessary for the efficient design of these machine tools. It is the purpose of this paper to present a modular approach for RMT servo axis modeling, which is part of a larger effort to develop an integrated RMT design and control environment. The components of the machine tool are modeled in a modular way, such that the model of any given configuration can be obtained by assembling the corresponding component models together based on the topology of the machine. The component models are built using the bond graph language that enables the straightforward development of the required modular library. These machine tool models can be used for the evaluation, design and control of the RMT servo axes. The approach is demonstrated through examples, and the benefits and drawbacks of this approach are discussed. The results show that the proposed approach is a promising step towards an automated and integrated RMT design environment, and the challenges in order to complete this goal are discussed. Copyright © 2004 by ASME.