Accurate Detection of Initial Rotor Position in a Multi-Pole Synchronous Machine

Abstract

This paper presents a method for initial rotor position estimation of PMSM drive. The method is suitable for salient pole motors, and is accurate even for inductance with non-sinusoidal profile. The main idea of the method is to apply six voltage pulses to the motor and measure the current's response according to the rotor position. This response is then… (More)

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