Modeling and Control of Manufacturing Processes: Getting More Involved

[+] Author and Article Information
David E. Hardt

Laboratory for Manufacturing and Productivity, Massachusetts Institute of Technology, Cambridge, MA 02139

J. Dyn. Sys., Meas., Control 115(2B), 291-300 (Jun 01, 1993) (10 pages) doi:10.1115/1.2899069 History: Received February 04, 1993; Online March 17, 2008


The discipline of control has had numerous yet sporadic contacts with the manufacturing world over the past few decades, almost always as an afterthought or addendum, and typically in the role of machine and not as process control. Much of this detachment comes from an absence of control techniques that can deal directly with the actual manufacturing process, i.e., a material transformation process that produces a desired object both in terms of specific geometry and internal properties. Instead, most efforts have focused on using existing methods on process independent problems, such as position control and trajectory following, or on straightforward process parameter control, thereby only indirectly influencing the actual process output. This paper presents the reasons behind and the means to eliminate this estrangement, using the author’s own research as an example of a more direct approach to process modeling and control.

Copyright © 1993 by The American Society of Mechanical Engineers
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