Power Stabilization Based on Double Energized Transmitting Coils in Dynamic Wireless Charging System for Inspection Robot

2018 IEEE 4th Southern Power Electronics Conference (SPEC) Pub Date : 2018-12-01 DOI:10.1109/SPEC.2018.8635847

Han Liu, L. Tan, Xueliang Huang, D. Czarkowski

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Abstract

In a dynamic wireless charging system with short segmented transmitting coils, the operation mode of a single energized transmitting coil causes large power drop when the receiving coil moves to the central position between two transmitting coils. Power stabilization based on double energized transmitting coils is proposed to solve this issue. Firstly, the dynamic wireless charging system for inspection robots based on series short segmented transmitting coils and LCC compensation circuit in transmitting side is presented. Secondly, the uniform circuit model of wireless power transfer systems with single transmitting coil or double transmitting coils is developed. The system characteristics of a single energized transmitting coil and double energized transmitting coils varying with the position of the receiving coil are analyzed comparatively in one cycle of switching control of the segmented transmitting coils. According to the comparative analysis, when the receiving coil is at the central position between the two transmitting coils, the receiving power is stabilized by using the double energized transmitting coil structure. The relevant experiments are designed to verify the theoretical research.

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基于双励磁发射线圈的巡检机器人动态无线充电系统功率稳定

在具有短分段发射线圈的动态无线充电系统中，当接收线圈移动到两个发射线圈之间的中心位置时，单个通电发射线圈的工作方式会造成较大的功率下降。为了解决这一问题，提出了基于双励磁发射线圈的电力稳定方案。首先，提出了一种基于串联短分段发射线圈和发射侧LCC补偿电路的巡检机器人动态无线充电系统。其次，建立了单发射线圈和双发射线圈无线电力传输系统的均匀电路模型。对比分析了分段式发射线圈在一个周期的开关控制中，单励磁发射线圈和双励磁发射线圈随接收线圈位置变化的系统特性。通过对比分析，当接收线圈位于两个发射线圈之间的中心位置时，采用双通电发射线圈结构稳定接收功率。设计了相关实验来验证理论研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2018 IEEE 4th Southern Power Electronics Conference (SPEC)

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