JSM 2005 - Toronto

Abstract #304459

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Activity Number: 402
Type: Contributed
Date/Time: Wednesday, August 10, 2005 : 10:30 AM to 12:20 PM
Sponsor: Section on Physical and Engineering Sciences
Abstract - #304459
Title: Robust Parameter Design with Feedback Control
Author(s): Tirthankar Dasgupta*+ and Jeff Wu
Companies: Georgia Institute of Technology and Georgia Institute of Technology
Address: 765 Ferst Drive NW, Atlanta, GA, 30332, United States
Keywords: Experiments ; Quality Engineering ; Process Control ; Proportional-Integral control
Abstract:

Robust parameter design has been used widely as a cost-effective tool to reduce process variability by appropriate selection of control factors in order to make the process insensitive to noise. However, when there exist strong noise factors in the process, robust parameter design alone may not be effective and an online control strategy can be used to compensate for the effect of noise. In this paper, a parameter design methodology in the presence of feedback control is developed. The system dynamics are taken into account through time-series modeling and the best control strategy is developed by using parameter design. The proposed method is illustrated using a simulated example and a real-life example from a urea packing plant.

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