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Observers for sensorless synchronous motor drives: framework for design and analysis
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Authors
Hinkkanen, Marko
Saarakkala, Seppo E.
Awan, Hafiz Asad Ali
Mölsä, Eemeli
Tuovinen, Toni
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en
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IEEE Transactions on Industry Applications, Volume 54, issue 6, pp. 6090-6100
Abstract
This paper deals with the speed and position estimation for synchronous reluctance motors (SyRMs) and interior permanent-magnet synchronous motors (IPMs). A unified design and analysis framework for a class of back-electromotive-force (back-EMF)-based observers is developed and the links between apparently different estimation methods are brought out. State observers equipped with a speed-adaptation law are shown to be mathematically equivalent to voltage-model-based flux observers equipped with a position-tracking loop. The error signal driving the adaptation law or the tracking loop is presented in a generalized form. Using the framework, a stabilizing gain design is reviewed and detailed design guidelines are given. Selected observer designs are experimentally evaluated using a 6.7-kW SyRM drive and a 2.2-kW IPM drive.
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Hinkkanen, M, Saarakkala, S E, Awan, H A A, Mölsä, E & Tuovinen, T 2018, 'Observers for sensorless synchronous motor drives: framework for design and analysis', IEEE Transactions on Industry Applications, vol. 54, no. 6, pp. 6090-6100. https://doi.org/10.1109/TIA.2018.2858753