Modelling and Analysis of Hybrid Fuzzy Tuned PI Controller based PMBLDC Motor for Electric Vehicle Applications

Permanent magnet machines are very suitable for Electric vehicles and Motor pump applications because of their
simple construction, ease of control and high efficiency. Among the different Permanent Magnet Brushless DC motors
(PMBLDC) as well as permanent magnet motors are particularly very suitable for EV applications owing to their high-speed
performance and constant speed-torque features. In this paper, the PMBLDC motor is modelled and analysed mathematically
using its equivalent circuit. The PMBLDC motor speed is controlled using an intelligent fuzzy logic-tuned PI controller. This
fuzzy logic-tuned PI controller and hysteresis current controller (HCC) perform steady state speed and closed loop speed control operation. This proposed hybrid speed controller reduces the second-order underdamped system drawbacks such as settling time, integral absolute error, steady-state error and maximum peak overshoot. A proposed controller achieves a settling time for motor speed at 0.1 s, which provides smooth control for the speed of the PMBLDC motor. The design and modelling of the entire work are done with Matlab's help to verify the proposed hybrid system's performance.