Research on Bidirectional Dynamic Wireless Charging System Based on Active Disturbance Rejection Control Strategy

Bidirectional Wireless Power Transfer (BWPT) technology, which possesses the capability for bi-directional energy transmission, significantly broadens the application scope of Wireless Power Transfer (WPT) systems, particularly in sectors such as Vehicle-to-Grid (V2G) and Vehicle-to-Vehicle (V2V) interactions. In BWPT systems, the relative positions of the primary and secondary sides are not fixed during dynamic wireless charging, leading to substantial fluctuations in mutual inductance coupling coefficients and circuit equivalent parameters. Consequently, ensuring stable and efficient energy transmission across a broad range of operational conditions emerges as a critical challenge that necessitates urgent resolution. To address this issue, this study exemplifies an LCCLCC magnetic coupling resonant BWPT system and proposes an Active Disturbance Rejection Control (ADRC) methodology predicated on active and reactive power considerations. A simulation model of the BWPT system based on ADRC has been constructed, and a comparative analysis of the control performance between the ADRC controller and a PID controller has been conducted under varied parameter conditions. The results indicate that the ADRC controller demonstrates superior dynamic regulation capabilities.