Advanced MOSFET-Based Power Electronic Controllers for Electric Vehicle Battery Management Systems

Efficiency of the Battery Management System (BMS) in Electric Vehicles (EVs) is of paramount importance to its performance, longevity and safety. Conventional passive balancing methods are inefficient. In this study, it is proposed that a new controller with MOSFET-based converters can be used to balance cells in an active way. Our design proposes a high-performance architecture of a bidirectional DC to DC converter, managed by an optimized Pulse Width Modulation (PWM) scheme. The innovation incorporates some of the most advanced algorithms such as cascaded PID and fuzzy logic to dynamically control the balancing current. This will guarantee that energy moves quickly without wastage of time and energy. A detailed simulation shows that this has dramatically improved with greater than 98.5% efficiency and shorter balancing times (less than 40% reduced). This study finds that actively regulated, MOSFET-programmed active balancing plays a key role in improving the energy efficiency and dependability of the electric cars of the next generation.