Communications - Scientific Letters of the University of Zilina 1999, 1(3):13-22 | DOI: 10.26552/com.C.1999.3.13-22

Sensorless control of synchronous motor drive with forced dynamics

Ján Vittek1, Slavomír Seman1, Daniel Vaňko1
1 Department of Electric Traction and Energetic, University of ®ilina, Slovak Republic

Acontrol method for electric drives employing synchronous motors with forced closed-loop dynamics is presented. The prescribed response to the reference speed demand can be chosen as direct acceleration control, linear first order and second order speed response. In addition to this, the angle between the stator current and magnetic flux vectors can be mutually maintained perpendicular. The drive control system also contains a set of two observers for estimation of rotor speed and the load torque. The experimental results obtained for direct acceleration, first order dynamic and second order dynamic indicate good agreement with the theoretical. The control system, as developed to date, would be suited very well to applications requiring control to a moderate accuracy.

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Published: September 30, 1999  Show citation

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Vittek, J., Seman, S., & Vaňko, D. (1999). Sensorless control of synchronous motor drive with forced dynamics. Communications - Scientific Letters of the University of Zilina, 1(3), 13-22. doi: 10.26552/com.C.1999.3.13-22
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    References

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    2. DODDS, S. J., UTKIN, V. A. and VITTEK, J.: 'Synchronous Motor Drive with Prescribed Closed-Loop Dynamics Employing a Two-Phase Oscillator', EDPE'96 Conference Proceedings, Vol.1, pp. 209-216, High Tatras, Slovakia, October 1-3, 1996.
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    4. DODDS, S. J., VITTEK, J. and ALEXIK M.: 'A New Control Law Development by Simulation for Sensorless Synchronous Motor Drive with Prescribed Closed Loop Dynamics', MOSIS'96, Conference Proceedings, pp. 337-344, Krnov, Czech Republic, April 23-25, 1996.
    5. DODDS, S. J., UTKIN, V. A. and VITTEK, J.: 'Self Oscillating Synchronous Motor Drive Control System with Prescribed Closed-Loop Speed Dynamics', 2nd EPE Chapter Symposium Proceedings, Vol.2, pp. 23-28, Nancy, France June 4-6, 1996.
    6. SEMAN, S., VAŇKO, D, VITTEK, J.: "Theoretical Background for Senseless Control of Synchronous Motor Drive with Forced Dynamics", Proceedings of TRANSCOM '99, Scientific Conference of University of Zilina, Zilina, June 1999, Section 3, pp. 33-36.
    7. VAŇKO, D, SEMAN, S., VITTEK, J.: "Experimental Verification of Senseless Control of Synchronous Motor Drive with Forced Dynamics", Proceedings of TRANSCOM '99, Scientific Conference of University of ®ilina, Zilina, June 1999 Section 3, pp. 37-40

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