Adaptive full-order observer with high-frequency signal injection for synchronous reluctance motor drives

Toni Tuovinen; Marko Hinkkanen

doi:10.1109/JESTPE.2013.2294359

Adaptive full-order observer with high-frequency signal injection for synchronous reluctance motor drives

Toni Tuovinen, Marko Hinkkanen

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Abstract

A back electromotive force-based position observer for motion-sensorless synchronous reluctance motor (SyRM) drives is augmented with high-frequency signal-injection method for improved low-speed operation. Previously proposed observer structure is further improved to account for the cross saturation in the motor. The combined observer is experimentally evaluated using a 6.7-kW SyRM drive in low-speed operation and under various load conditions. The resulting position error at low speeds and standstill is small.

Original language	English
Pages (from-to)	181-189
Journal	IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS
Volume	2
Issue number	2
DOIs	https://doi.org/10.1109/JESTPE.2013.2294359
Publication status	Published - 4 Apr 2014
MoE publication type	A1 Journal article-refereed

Keywords

observer
parameter uncertainties
speed sensorless
stability conditions

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title = "Adaptive full-order observer with high-frequency signal injection for synchronous reluctance motor drives",

abstract = "A back electromotive force-based position observer for motion-sensorless synchronous reluctance motor (SyRM) drives is augmented with high-frequency signal-injection method for improved low-speed operation. Previously proposed observer structure is further improved to account for the cross saturation in the motor. The combined observer is experimentally evaluated using a 6.7-kW SyRM drive in low-speed operation and under various load conditions. The resulting position error at low speeds and standstill is small.",

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AB - A back electromotive force-based position observer for motion-sensorless synchronous reluctance motor (SyRM) drives is augmented with high-frequency signal-injection method for improved low-speed operation. Previously proposed observer structure is further improved to account for the cross saturation in the motor. The combined observer is experimentally evaluated using a 6.7-kW SyRM drive in low-speed operation and under various load conditions. The resulting position error at low speeds and standstill is small.

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KW - parameter uncertainties

KW - speed sensorless

KW - stability conditions

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KW - parameter uncertainties

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KW - stability conditions

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KW - parameter uncertainties

KW - speed sensorless

KW - stability conditions

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Adaptive full-order observer with high-frequency signal injection for synchronous reluctance motor drives

Abstract

Keywords

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