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In this paper an axial flux magnetic gear (AFMG) is proposed that has an integrated outer stator. This axial flux magnetically geared motor (AFMGM) is unique in that the stator shares the high-speed rotor with the AFMG, so there is no need for a separate rotor. The high speed and low speed rotors use a flux-focusing typology. The stator is mounted outside the AFMG and this makes the design mechanically...
Electromagnetic linear actuator (ELAs) have the advantage over hydraulic and mechanical mechanisms of being able to operate with higher efficiencies and are potentially more reliable.
This paper presents a direct torque control technique for brushless DC motors with non-sinusoidal back electromotive force. Direct torque control has some benefits such as faster torque response and reduced torque ripple for driving the brushless DC motors. In order to solve the problems associated with conventional PI speed controller, a speed control based on fuzzy logic controller is proposed to...
Considering the widespread use of induction motors, proper control of them in order to increase efficiency, improve performance characteristics and etc., has become more important. Induction motor control systems are nonlinear systems with many constraints, therefore tuning of such systems require the use of some approximations and simplifications in the induction motor model or linearization of control...
This paper presents a direct torque control technique for Brushless DC motors with non-sinusoidal back electromotive force. Direct torque control has some benefits such as faster torque response and reduced torque ripple for driving the Brushless DC motors. The Sliding mode observer, which is robust to parameter uncertainties, can be used to estimate the back-EMF and generate the torque. It is employed...
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