一种面向智能巡检机器人的无线充电系统参数设计与控制

Parameter Design and Control of a Wireless Charging System for Intelligent Inspection Robot

面向智能巡检机器人,设计了一个最大传输功率为1.2 kW的无线充电系统样机。该样机基于双边LCC补偿网络和一个较大传能气隙的松磁耦合结构。首先通过详细的数学建模分析了系统的输入输出特性,给出了移相调节电池充电电流的控制方法,然后给出了系统元件参数的详细设计过程,最后搭建了实验样机模型,通过实验验证了样机的可行性和控制策略的有效性。此外,在样机的整个运行过程中,系统运行效率最高可达91.11%。

In this paper,a 1.2 kW wireless charging system prototype is designed for intelligent inspection robots.The prototype is based on a bilateral LCC compensation network and a loose magnetic coupling structure with a large energy transfer air gap.Firstly,the input and output characteristics of the system are analyzed through detailed mathematical modeling,and the control method of phase shifting to adjust the battery charging current is given.Then,the detailed design process of the system original parameters is given.Finally,the experimental prototype model is built,and the feasibility of the prototype and the effectiveness of the control strategy are verified by experiments.In addition,during the entire operation process of the prototype,the system operating efficiency can reach up to 91.11%.