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This paper presents a comparison between Field Oriented Control and Direct Torque Control methods of a Matrix Converter-fed (MC) Permanent Magnet Synchronous Motor (PMSM). MC is becoming widely used because of the unity power factor and the lack of energy storage element. FOC method calculates the duty of MC states with use of geometric relations between voltage and current vectors. DTC method, on...
Sensorless speed control of Permanent Magnet Synchronous Motor (PMSM) is still in development to eliminate the existing drawbacks such as speed ripples, torque ripples and slow response. This paper proposes Field Oriented Control (FOC) based on improved Model Reference Adaptive System (MRAS) to control the motor speed and minimize both the speed and torque ripples for the PMSM. The improved MRAS strategy...
Field Oriented Control (FOC) Permanent Magnet Synchronous Motor (PMSM) is a commutator less servo drive which provides high controllability, greater efficiency, superior torque to inertia ratio and high power density. However, the performance of FOC-PMSM depends on the driver circuits, which requires expensive computing elements. Besides, an intelligent current regulator is desired for a highly precise...
A Robust Current-Loop Controller (RCLC) based on the theory of Sliding Model Control (SMC) for Permanent Magnet Synchronous Motors (PMSMs) is proposed in this paper. The Field Oriented Control (FOC) scheme for PMSMs drive is constructed to achieve the better performance. Meanwhile in order to damp the chattering brought by the basic principle of SMC, three ways are presented, which can ensure the...
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