| 摘要 |
The invention relates to a device and method for classifying two-state variables of a cyclically-operating system comprising subunits. The inventive method comprises the following steps: a recording step consisting in recording dated state changes noted for each of the variables during a determined time T; a calculation step consisting in using the aforementioned dated state changes in order to determine, for each of the variables, (i) the different durations (D 1 ) between two consecutive passages to a first state (E 1 ) and (ii) the different durations (D 2 ) between two consecutive passages to a second state (E 2 ), such as to create duration lists (LD 1 ) and (LD 2 ); and a processing step consisting in, for each variable, comparing the different duration lists (LD 1 ) and/or (LD 2 ) to the different duration lists (LD 1 ) and/or (LD 2 ) for the other variables and the number of occurrences thereof, such as to classify said variables into groups, whereby each group corresponds to at least one of the subunits of the system.
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