Sensorless Control of Induction Motor Based on Super-Twisting Sliding Mode Observer With Speed Convergence Improvement
Lelisa Wogi,
Marcin Morawiec,
Tadele Ayana
Abstract:The super twisting sliding-mode observer (ST-SMO) has been proposed to achieve an effective method for alleviating low-order harmonics of measured quantities, issues related to DC drift, and suppression of chattering due to lowfrequency sampling. The conventional ST-SMO, on the other hand, suffers from control delay in the convergence trajectory as a result of the system disturbance, resulting in decreased anti-disturbance capability and impacting the estimation accuracy and energy consumption. This paper prop… Show more
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