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Multivariate statistical process control (MSPC) has been widely used for process monitoring. When a fault is detected, it is important to identify an actual cause of the fault. Fault identification methods are classified into two groups by availability of historical data sets obtained from faulty situations. When such historical data sets are not available, contributions from process variables to...
In this paper, physical speed event group was taken as the carrier, and AHP(Analytic Hierarchy Process) was adopted to determine the weight values in the four-level elements of the competition structure. Meanwhile, Kendall coefficient of concordance was used to exam the reliability of weight evaluation and Cronbach coefficients to make a consistent internal mathematical test of four-level elements...
Tunable diode laser spectroscopy (TDLS) can only be successfully implemented if a number of system characterization procedures and critical parameter measurements can be made accurately. These include: application of a wavelength/frequency scale to the signals recovered in time; measurement of the frequency dither applied to the laser; measurement of the relative phase between the laser power modulation...
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