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Activity Number: 67
Type: Contributed
Date/Time: Sunday, August 6, 2006 : 4:00 PM to 5:50 PM
Sponsor: Section on Quality and Productivity
Abstract - #306105
Title: Statistical Monitoring of Multistage Processes
Author(s): Fugee Tsung*+
Companies: The Hong Kong University of Science and Technology
Address: IELM Department HKUST, Kowloon, 852, China
Keywords: statistical process control ; quality control ; multistage operations ; SPC
Abstract:

Most manufacturing processes comprise not a single stage but a large number of stages. Engineering modeling of multistage processes considering physical and mechanical laws in a linear state space form has been studied extensively. Such modeling describes the quality linkage among stages. However, recent research on statistical monitoring of multistage processes usually makes no use of these engineering models. Here, a statistical process control (SPC) method for a process with multiple stages is proposed based on an engineering model.

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