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Combination of voltage model and high-frequency signal injection for sensorless permanent magnet synchronous motor drives
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A4 Artikkeli konferenssijulkaisussa
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en
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6
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International Conference on Electrical Machines (ICEM'2004)
Abstract
The paper proposes a method for the rotor speed and position estimation of permanent magnet synchronous motors, applicable in a wide speed range including standstill. A modified voltage model is used at high speeds, and it is combined with a high-frequency signal injection technique at low speeds. The fast dynamic response of the voltage model is thus augmented with the steady-state accuracy of the high-frequency signal injection technique. The stability and robustness of the combined observer are demonstrated by simulations and experiments.
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Piippo, A, Hinkkanen, M & Luomi, J 2004, Combination of voltage model and high-frequency signal injection for sensorless permanent magnet synchronous motor drives. in International Conference on Electrical Machines (ICEM'2004). Cracow, Poland.