Setting of threshold in automatic fault diagnosis system for locomotive
Wang Li · Electric Drive for Locomotives · 2005
The relationship between the threshold, mal-alarm rate and miss-alarm rate are analyzed in details by the way of mathematical statistics. It is deduced the calculation method of the threshold to ensure low rates of mal-alarm and miss-alarm. The applications to intelligent locomotive fault diagnosis system show that the method could act as a guideline for the determination of threshold with positive distribution of fault parameters.