1米距离无线传电109.7瓦，效率47.14%。
Resonant Inductive Coupling Power Transfer for Mid-Sized Inspection Robot
- 采用谐振耦合线圈设计，适配移动机器人运行中的位置偏差。
- 实测1米传输109.7瓦功率，效率达47.14%。
- 适合中型巡检机器人长期无线供电场景。
本文提出一种面向中型巡检移动机器人的无线充电系统（WPTS），目标在1米距离内实现100瓦功率传输。系统采用轻量化利兹线线圈（320克），配合3.54公斤的结构支撑。实验验证在存在障碍物条件下，成功实现109.7瓦功率传输，系统效率达47.14%，接近理论最大值（50%）。该系统可在5分钟内为12伏0.8安时铅酸电池完成充电。
原文摘要 · Abstract (English)
This paper presents a wireless power transfer (WPT) for a mid-sized inspection mobile robot. The objective is to transmit 100 W of power over 1 meter of distance, achieved through lightweight Litz wire coils weighing 320 g held together with a coil structure of 3.54 kg. The Wireless Power Transfer System (WPTS) is mounted onto an unmanned ground vehicle (UGV). The study addresses an investigation of coil design, accounting for misalignment and tolerance issues in resonance-coupled coils. In experimental validation, the system effectively transmits 109.7 W of power over a 1-meter distance, with obstacles present. This achievement yields a system efficiency of 47.14%, a value that is remarkably close to the maximum power transfer point (50%) when the WPTS utilises the full voltage allowance of the capacitor. The paper shows the WPTS charging speed of 5 minutes for 12 V, 0.8 Ah lead acid batteries.
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