Shinichi Furutani

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Bandwidth limitation hinders the economical and broad application of induction motors promised by speed sensorless drive. This paper proposes an integrated control and observer design for speed sensorless control of induction motors with stator voltage and current measurements. With a general observer structure, the backstepping-based robust control design(More)
Bandwidth limitation hinders the economical and broad application of induction motors promised by speed sensorless drive. This paper proposes an integrated control and observer design for speed sensorless control of induction motors with stator voltage and current measurements. With a general observer structure, the backstepping-based robust control design(More)
This paper considers the rotor speed and flux estimation for induction motors, which is one of the key problems in speed-sensorless motor drives. Existing approaches, e.g. adaptive, Kalman filter-based, and sliding mode observer, have limitations such as unnecessarily assuming the rotor speed as a constant parameter, failure to ensure convergence of(More)
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