Journal
Scientific and technical journal «Priborostroenie»
UDK681.5.015.8
Issue:6 (63)
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MODIFICATION OF THE METHOD OF PARAMETRIC IDENTIFICATION OF A SYNCHRONOUS MACHINE WITH PERMANENT MAGNETS
Annotation
A modified method of identification of electrical parameters of a servo drive and a PWM inverter, based on the least square method, is proposed. The proposed identification method uses a model that considers the effect of “dead time” and the voltage drop on the power switches of the converter. The method accuracy is improved by separating the identification of the static transmission coefficient and the electromagnetic time constant into two stages, in each of the stages only one parameter is evaluated. The new method is shown to achieve a higher accuracy of parameter estimation compared to existing methods using a linear model of servo drive.
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