Non-linearity of control structures
mcc regulation - General structure

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D3612 V1 Article

Non-linearity of control structures
mcc regulation - General structure

Authors : Jean-Paul LOUIS, Bernard MULTON, Yvan BONNASSIEUX, Michel LAVABRE

Publication date: February 10, 2004 | Lire en français

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3. Non-linearity of control structures

3.1 Intrinsic non-linearity of the machine: magnetic saturation

The structural equations derived from modeling as defined in the first three paragraphs of article highlight a non-linearity intrinsic to the DC machine. With separate excitation, magnetic saturation (see [D 3 610] , figure1) results in a non-linear function F –1 , as shown by the flux derivative equation : dφdt=−Rfnf⋅F−1(φ)+1nfvf

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