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The T2 control chart in a multimodal framework: detection of incipient trends

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2 Author(s)
Boudaoud, N. ; Centre de recherches Pierre Guillaumat, Univ. of Technol. of Compiegne, France ; Cherfi, Z.

The aim of this paper is to propose a new statistic for monitoring multivariate trend processes. We focus on the possible choices of more sensitive statistics than the classical Hotelling T2 statistic in the case of processes where incipient trends are considered. A comparative study based on simulations is presented. The performances of detection are compared to the classical Hotelling control chart in terms of average run length ARL.

Published in:

Systems, Man and Cybernetics, 2005 IEEE International Conference on  (Volume:3 )

Date of Conference:

10-12 Oct. 2005