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Iteckne
versión impresa ISSN 1692-1798
Resumen
HERRERA-ACOSTA, Roberto José; ROMERO-CABRERA, Indira Dayana y WASINSKI-ZUNIGA, Richard Michael. CONTRAST BETWEEN SHEWHART FOR MR AND CUSUM VARIANCE CONTROL CHART IN THE MONITORING OF HYDROGEN POTENTIAL IN PLANT PROTECTORS. Iteckne [online]. 2018, vol.15, n.2, pp.88-98. ISSN 1692-1798. https://doi.org/10.15332/iteckne.v15i2.2070.
One of the most significant aspects to improve the quality of the processes is to avoid the increase of the variability, so it is important the continuous monitoring of the quality feature, which allows to know its condition and behavior over time. One of the main tools is Control Charts. Hawkins creates a method for monitoring process variability using the CUSUM Control Charts. This paper shows its application in the measure of variability of the pH values in the use of fungicides; as well as the results on their performance compared to the Shewhart Control Chart, which is not as effective at detecting small shifts.
Palabras clave : Average run length; reference value; shift; target value; variance.