Why Multivariate SPC?
Copyright: 1998, ASQ Author: Mason, Robert L.; Young, John C. Organization: Statistical Analysis Group, Southwest Research Institute, San Antonio, TX; InControl Technologies, Inc., Lake Charles, LA Subject: Multi-vari studies,Statistical process control (SPC),Statistical methods,Multivariate capability indices; Series: Quality Progress, Vol. 31, No. 12, December 1998, pp. 88-93 This ARTICLE is available for FREE to ASQ members with the appropriate membership type and/or magazine subscriptions. If you are signed-in you should be able to download articles you are entitled to receive. If you have questions about your membership please contact Customer Care at 800-248-1946 or help@asq.org Abstract: Recent technological advances in industrial control procedures have greatly improved the quality of production in modern industry. For example, multivariable controllers and feedback loops provide tighter control of a process by restricting the operational ranges of the variables. One useful tec