Abstract
The induction motor is renowned as one of the most motors commonly used in an industry where rapid response and high control precision are needed for a wide range of speeds. In this paper, a field oriented control method (FOCM) has been used to obtain a higher control efficiency by dividing the stator current into torque and field control components, including the space vector pulse width modulation (SV-PWM) technology. FOCM also reduces the harmonics of the inverter output signal and allows the best use of DC voltage. This paper aims to enhance the speed response during a sudden change in load torque or reference speed. The Dolphin Algorithm (DA) is used to find the best parameters of the control circuit in both the current and voltage controllers of the FOCM to improve the motor speed response using two objective functions which are Mean Average Error (MAE) and Mean Error (ME). Simulation results for dolphin-PI controllers show the trial superiority by noting PI controllers error and decrease the delay time during the state change.
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