Villalba-Torán, Pedro Miguel; Sanchís Saez, Javier; Ferrer, Alberto(Elsevier, 2019-02-15)
[EN] A Graphical User Interface (GUI) is developed in MATLAB as a tutorial for understanding the PCA-based MSPC strategy. The software allows users to analyze both simulated and external data sets. Simulated data are ...
González Martínez, José María; Camacho Páez, José; Ferrer, Alberto(Wiley, 2014-01)
A paramount aspect in the development of a model for a monitoring system is the so-called parameter stability. This is inversely related to the uncertainty, i.e., the variance in the parameters estimates. Noise affects the ...
[EN] In this work the information provided by a noninvasive imaging sensor was used to develop two algorithms for real time fault detection and product quality monitoring during the Vacuum Freeze-Drying of single dose ...
González Martínez, José María; Ferrer Riquelme, Alberto José; Westerhuis, Johan A.(Elsevier, 2011-02-15)
This paper addresses the real-time monitoring of batch processes with multiple different local time trajectories of variables measured during the process run. For Unfold Principal Component Analysis (U-PCA)—or Unfold Partial ...