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M.Tech / M.E / PhD Thesis | Electrical Engineering | India | Volume 5 Issue 8, August 2016 | Popularity: 6.9 / 10

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A Novel Energy Regeneration Technique in Brushless DC Motor for Electric Vehicles

Lulu Joseph, Sreerag K S

Abstract: Regenerative braking can provide better energy usage efficiency and can extend the driving distance of electric vehicles (EVs). An imaginative regenerative braking system (RBS) is offered in this paper. The RBS is modified to brushless dc (BLDC) motor, and it emphasize on the sharing of the braking force, as well as BLDC motor control. The traditional Proportional Integral Derivative (PID) control is very popular in electric car control, but it is difficult to obtain a precise brake current. Hence combining the Fuzzy Logic Control (FLC) along with PID can distribute the electrical braking force dynamically. Braking force is affected by factors like state of charge of battery, speed, and applied braking force which are chosen as fuzzy control input variables. In this paper, BLDC motor control utilizes the PID control, and the sharing of braking force adopts FLC. The simulation results are analyzed under the ENVIRONMENT of MATLAB and Simulink. The simulation results show that the fuzzy logic and PID control can realize the regenerative braking and can extend the driving distance of EVs under the condition of ensuring braking quality.

Keywords: BLDC Motor, Fuzzy Control, PID control, Electric Vehicle

Edition: Volume 5 Issue 8, August 2016

Pages: 283 - 288

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