Sensorless vector control of synchronous reluctance motors withdisturbance torque observer
Senjyu, T.; Shingaki, T.; Uezato, K.
Industrial Electronics, IEEE Transactions on
Volume 48, Issue 2, Apr 2001 Page(s):402 - 407
Digital Object Identifier   10.1109/41.915419
Summary:The elimination of the position sensor has been one important requirement in vector control systems because the position sensor spoils the reliability and simplicity of drive systems. Therefore, we present a sensorless vector control technique for synchronous reluctance motors. The rotor position is calculated easily from ds-qs-axes flux linkages which are estimated with a first-order lag compensator. Furthermore, utilizing estimated rotor position as the input of the full-order observer, the rotor speed and disturbance torque are estimated. The proposed sensorless vector control scheme is demonstrated with experimental results

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