Sensorless speed control including zero speed of non salient PM synchronous drives

• Autorzy: Rasmussen H.
• Języki publikacji: EN

Abstrakty

EN

This paper presents a position sensorless drive of non salient pole PM synchronous motors for all speeds including zero speed. Using adaptive Lyapunov design a new approach for the design of an observer is developed. The resulting scheme leads to a nonlinear full order observer for the motor states including the rotor speed. Assuming motor parameters known the design achieves stability with guaranteed region of attraction even at zero speed. The control method is made robust at zero and low speed by changing the direct vector current component to a value different from zero. In order to verify the applicability of the method the controller has been implemented and tested on a 800 W motor.

Słowa kluczowe

EN

low speed operation; PM motors; speed sensorless control

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2006
• Tom: Vol. 54, nr 3
• Strony: 293--298
• Opis fizyczny: Bibliogr. 8 poz., 5 rys., 1 tab.

Twórcy

autor

Rasmussen H.

• Aalborg University, Fredrik Bajers Vej 5, DK-91O0 Aalborg, Denmark,

Bibliografia

• [1] K. Rajashekara, A. Kawamura and K. Matsuse, Sensorless Control of AC Motor Drives, IEEE Press, 1996.
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• [3] J. Holtz, “Methods for speed sensorless control of AC drives”, in Sensorless Control of AC Motors, IEEE Press Book, 1996.
• [4] J. Holtz, “Sensorless vector control of induction motors at very low speed using a nonlinear inverter model and parameter identification”, IEEE-IAS’2001, Chicago, Illinois, 2001.
• [5] P.L. Jansen and R.D. Lorenz, “Transducerless position and velocity estimation in induction and salient AC machines”, IEEE Trans. on Ind. Appl., 240–247 (1995).
• [6] M.Corley and R. Lorenz, “Rotor position and velocity estimation for salient pole permanent magnet synchronous machine at standstill and high speed”, IEEE Trans. on Ind. Appl., 784–789 (1998).
• [7] K.J. Åström and B. Wittenmark, Adaptive Control, Addison –Wesley Publishing Company, 1995.
• [8] H. Takeshita, A. Usui, and N. Matsui, “Sensorless Salient – pole PM synchronous motor drive in all speed ranges”, Electrical Engineering in Japan 135 (3), 8–15 (2001).