Int. J. Metrol. Qual. Eng.
Volume 3, Number 3, 2012
|Page(s)||137 - 143|
|Published online||13 May 2013|
In-process estimation of time-variant contingently correlated measurands
Istituto Nazionale di Ricerca Metrologica (INRIM),
⋆ Correspondence: email@example.com
Received: 12 October 2012
Accepted: 28 October 2012
This paper is devoted to the study and implementation of real-time techniques for the estimation of time-varying, contingently correlated quantities, and relevant uncertainty. An estimation algorithm based on a metrological customization of the Kalman filtering technique is presented, starting from a Bayesian approach. Moreover, a fuzzy-logic routine for real-time treatment of possible outliers is incorporated in the overall software procedure. The system applicability is demonstrated by results of simulations performed on dimensional measurement models.
Key words: Kalman filter / time-varying measurands / real-time estimation / correlation / fuzzy-logic based outlier treatment
© EDP Sciences 2013
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