Defence of dissertation in the field of Industrial Electronics and Electric Drive, M.Sc.(Tech.) Hafiz Awan
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Towards efficient electrical motor control: Synchronous motor drives
In the future, energy-efficient synchronous reluctance motors, with or without permanent magnets, could replace induction motors in many applications, such as pumps, fans, and conveyors. Furthermore, interior permanent- magnet synchronous machines and permanent-magnet synchronous reluctance motors are increasingly used in electric vehicles and heavy-duty mobile working machines. These motors have good flux-weakening capability and the high torque density. The high torque density of these motors comes at a price of highly nonlinear magnetic saturation characteristics. A high-performance controller is needed to optimally con-trol these motors.
This thesis presents the control methods for these magnetically salient synchronous motors. The proposed control methods can be automatically tuned with minor effort from the user. Apart from industrial applications like fans, pumps, and conveyers, the designed control methods have applications in electric vehicles and heavy-duty mobile working machines. The developed control methods were tested using simulations and experiments.
Opponent: Associate Professor Luca Peretti, KTH Royal Institute of Technology, Sweden
Custos: Professor Marko Hinkkanen, Aalto University School of Electrical Engineering, Department of Electrical Engineering and Automation.
Contact information: Hafiz Asad Ali Awan, Aalto University School of Electrical Engineering, Department of Electrical Engineering and Automation, [email protected], +358449754088
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