Synchronous Reluctance Motor Parameter and State Estimation Using Extended Kalman Filter and Current Derivative Measurement
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Date
2021-03-01
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Mark
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IEEE
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Abstract
The synchronous reluctance motor is becoming a very attractive alternative to the AC induction machine. This is due to the lack of rare-earth metals in their construction and a higher efficiency, which was brought about by recent progress in rotor design. However, in order to achieve an efficient and low-cost operation of the synchronous reluctance motor drive, an adaptive sensorless algorithm should be utilized to cope with machine non-linearities. This paper describes an adaptive observer, which can provide an estimation of rotor position and speed, as well as core loss and inductance parameters. A modified PWM switching scheme and a current derivative measurement method are proposed, together with an extended Kalman Filter design. Experimental results are shown to demonstrate method performance and feasibility.
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IEEE Transactions on Industrial Electronics. 2021, vol. 68, issue 3, p. 1972-1981.
https://ieeexplore.ieee.org/document/9011744
https://ieeexplore.ieee.org/document/9011744
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Peer-reviewed
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en