Branislav ZIGMUND

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The paper deals with real-time estimation of PMSM rotor position, which is based on the new, virtual HF injection signal method. The main idea of that is subtraction of virtual injection voltage from real stator voltage. This voltage is acting on PMSM model and causes a virtual current response. After subtraction of acting model current from measured real(More)
This paper presents a new technique to estimate the rotor time constant of vector-controlled induction motors (IMs). The estimation is based on the comparison between the expected speed trajectory corresponding to constant acceleration and the actual speed trajectory of the drive. In fact, when the drive operates under vector control with constant torque(More)
Martin LIPTÁK, Valéria HRABOVCOVÁ, Pavol RAFAJDUS, Branislav ZIGMUND Buehler motor Inc. U Mustku 466, 503 41, Hradec Králové, tel. +420 495 737631, E-mail: Department of Power Electrical Systems, Faculty of Electrical Engineering, University of Žilina, Univerzitná 1, 010 26 Žilina, tel. +421 41 513 2157, E-mail:(More)
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