Journal Articles

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    Direct torque controlled induction motor drive for electric vehicles application /
    (IEEE, 2023-06-01) Thangalakshmi, S.
    Manufacturers are now very interested in the motorization control of commercial Electric Vehicles (EVs). This paper describes an Induction Motor (IM) control methodology used in EV applications. Motor drive control is critical in EVs, and IM-based drives are better suited for EVs. For IM drives, there are essentially vector and scalar control techniques. Low performance is a disadvantage of the scalar control approach, but Direct Torque Control (DTC) is an excellent approach for IM speed control by effectively controlling the torque and flux. The alternating current (AC) is taken as a source and connected to a rectifier circuit. However, the functioning of the Voltage Source Inverter (VSI) with variable switching frequency might be determined by the availability of hysteresis controls for torque and flux. The DTC-controlled IM drive is developed in MATLAB/ Simulink tool and the performance of the motor is evaluated by the obtained results. The motor’s torque and speed response are examined.
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    Sensorless field oriented control of ac induction motor using pi, pd & pid controllers /
    (IEEE, 2022-11-20) Antony, Nikhil John; Mishra, Deepak; Parveen, Shabnam
    With the Field-Oriented Control (FOC) vector approach, the control of the induction motor behaves similar to that of a separately excited dc motor. The torque and flux components in the d-q rotating reference frame can be independently controlled with the help of unit vectors. The main focus of the present work is to show the effective utilization and feasibility of field-oriented control of AC induction motors using PI, PD, and PID controllers without using any physical sensors and using observers. The speed, torque, and position in this scheme are estimated, analyzed, and simulated with the help of a motor control block-set in MATLAB/Simulink for a (10HP, squirrel cage induction motor) to a VSI using the SVPWM for effective modulation.