Incremental encoder based BLDC drives are widely employed in industry whenever smooth and efficient operation is needed in the whole speed range. Their weak spot lies in the need for a phase of initial alignment. Such task is traditionally performed by forcing the motor through a series of fixed phase supply configurations, causing strong vibrations which can be intolerable for certain applications. In this paper a novel algorithm that allows determining the initial rotor position (sector) and aligning the encoder while minimizing vibrations and oscillations is presented. © 2009 IEEE.

Vibrationless alignment algorithm for incremental encoder based BLDC drives / Concari, Carlo; Franceschini, Giovanni; Toscani, Andrea. - (2009), pp. 3456-3460. ((Intervento presentato al convegno 2009 IEEE Energy Conversion Congress and Exposition, ECCE 2009 tenutosi a San Jose, CA, usa nel 2009 [10.1109/ECCE.2009.5316335].

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