Distinguished Seminar with Alessandro Ferrero: Measurement Uncertainty and its Evaluation


February 19, 2024    
1:10 pm - 2:00 pm

Event Type


Title: Measurement Uncertainty and its Evaluation

Abstract: Measurement uncertainty is an extremely important concept in metrology, since it provides information about how “good” a measurement result is and, more importantly, whether it is adequate to the intended use. Its evaluation is, therefore, critical to change a measured value into a valid measurement result. The Guide to the Expression of Uncertainty in Measurement (GUM), encompassed in the ISO Guide 98-3, is the universally accepted guide in defining and evaluating uncertainty in measurement. The seminar presents the basic concepts covered by the GUM, discussing the definitions of standard and expanded uncertainty and the probabilistic perspective that lies behind these definitions. It presents then the two methods suggested by the GUM to evaluate the standard uncertainty and considers some numerical examples. At last, the refined Bayesian model is presented and discussed.

Bio: Alessandro Ferrero was born in Milan, Italy, in 1954. He received the laurea degree in electrical engineering from Politecnico di Milano in 1978. In 1983, he joined the Dipartimento di Elettrotecnica, Politecnico di Milano, as an Assistant Professor of electrical measurements. From 1987 to 1991, he was with the University of Catania, Italy, as an Associate Professor of measurements on electrical machines and systems. From 1991 to 1994, he was with the Dipartimento di Elettrotecnica, Politecnico di Milano, as an Associate Professor of electrical measurements, where he has been a Full Professor since 1994. His current research interests include uncertainty evaluation, the application of digital methods to electrical measurements, measurements on electric power systems under nonsinusoidal conditions, and forensic metrology. The results of his research activity have been published in over 250 papers in scientific journals and conference proceedings and two books. Professor Ferrero is a LifeFellow of the Institute of Electrical and Electronics Engineers (IEEE). He has chaired the Italian Association for Electrical and Electronic Measurements for the three-year term 2004–2007 and he has been the President of the IEEE Instrumentation and Measurements Society for the 2008 – 2009 term. He is the recipient of the 2006 Joseph F. Keithley IEEE Field Award for Instrumentation and Measurement. In 2011 he has been elected Foreign Member of the of the Class of Technical Sciences of the Royal Flemish Academy of Belgium for Science and the Arts. In 2014 he received the Doctor Honoris Causa degree from the Polytechnic University of Bucharest, Romania. He was the Editor-in-Chief of the IEEE Transactions on Instrumentation and Measurements from 2012 to 2016.


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