Abstract
Recently, control methods of Brushless DC (BLDC) motor have been intensively studied. The common control methods use two control loops with the inner loop is the current (or torque) control and the outer loop is the speed control. Conventional BLDC motors use Hall sensor mounted on the stator to detect the position of the pole in order to determine the voltage vector applied to the inverter. The use of Hall sensor to measure speed is only suitable when the motor operates at high speed because of the small resolution of Hall sensor. This means that the control quality is low when the motor operates at low speed, especially under the disturbance of torque load. This paper proposes an adaptive control method basing on speed and disturbance estimations. This control method is suitable with the motors use only Hall sensor to measure speed and with the motion control. Simulation results prove the correctness and the coincidence of the proposed method.
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Quang, N.H., Tuan, D.Q., Hien, N.N., Anh, T.N. (2019). Adaptive Control to Load Disturbance for Brushless DC Motor Operates at Low Speed. In: Fujita, H., Nguyen, D., Vu, N., Banh, T., Puta, H. (eds) Advances in Engineering Research and Application. ICERA 2018. Lecture Notes in Networks and Systems, vol 63. Springer, Cham. https://doi.org/10.1007/978-3-030-04792-4_19
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DOI: https://doi.org/10.1007/978-3-030-04792-4_19
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