论文信息 - Control strategy for ABS of EV with independently controlled four in-wheel motors

Control strategy for ABS of EV with independently controlled four in-wheel motors

In order to realize the Anti-lock Braking System (ABS) in an Electric Vehicle (EV) with four-wheel drive (FWD), the project that based on four in-wheel Brushless Direct Current (BLDC) motors is proposed. According to the motor control theory and the traditional ABS, the controller for the EV based on PIC & CPLD is designed. The model of four-wheel independently drive is used in the EV; the strategies of open-loop and closed-loop control are discussed. The principle of the reference speed and real speed of the EV is given; the pure electric control method for ABS system based on this EV is researched later. By using a prototype EV with four 700W BLDC motors as example, the simulation and the experiment are done. Simulation and experiment results validate the rationality of the controller, and show that the system has more favourable dynamic performance. The control strategy of the ABS fulfilled the request of the EV with four in-wheel motors.

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