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With the rapid advancement of wireless power transfer (WPT) and microgrid cluster technologies, the deployment of clusters comprising the vehicle-borne microgrids (VBMGs) from multiple unmanned ground vehicles (UGVs) is increasingly applied across various domains. However, traditional wired power transfer methods have several drawbacks, making WPT technology a preferred solution for enhancing the endurance and mission continuity of the VBMG cluster for UGVs. This paper proposes a WPT system based on droop control for power distribution and phase-shift control of the primary-side H-bridge inverter to maintain constant voltage (CV) output. Then, the topological structure of the VBMG cluster is described and the characteristic of the LCC-S-compensated WPT System is analyzed. After that, a detailed calculation formula for the droop coefficient is presented, which serves as the foundation for the power distribution strategy based on droop control. Additionally, the closed-loop phase-shift control mechanism employing a PI controller is elaborated in conjunction with the control block diagram to achieve a stable voltage output. Finally, simulation results verify the effectiveness of the proposed control strategy in achieving accurate power distribution and stable voltage output within the VBMG cluster of UGVs.

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Power Distribution and Output Voltage Stabilization Control of Inter-Microgrid Wireless Power Transfer System for Unmanned Ground Vehicle

  • 会议论文

  • 发表日期：

    2026年

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  • Shuguang Wei,
  • Feifan Xu,
  • Jiaqi Li,
  • Dong Yuan,
  • Kewei Chen,
  • Bin Liu

摘要

With the rapid advancement of wireless power transfer (WPT) and microgrid cluster technologies, the deployment of clusters comprising the vehicle-borne microgrids (VBMGs) from multiple unmanned ground vehicles (UGVs) is increasingly applied across various domains. However, traditional wired power transfer methods have several drawbacks, making WPT technology a preferred solution for enhancing the endurance and mission continuity of the VBMG cluster for UGVs. This paper proposes a WPT system based on droop control for power distribution and phase-shift control of the primary-side H-bridge inverter to maintain constant voltage (CV) output. Then, the topological structure of the VBMG cluster is described and the characteristic of the LCC-S-compensated WPT System is analyzed. After that, a detailed calculation formula for the droop coefficient is presented, which serves as the foundation for the power distribution strategy based on droop control. Additionally, the closed-loop phase-shift control mechanism employing a PI controller is elaborated in conjunction with the control block diagram to achieve a stable voltage output. Finally, simulation results verify the effectiveness of the proposed control strategy in achieving accurate power distribution and stable voltage output within the VBMG cluster of UGVs.