摘要
提出了面向微小型机器人的5.8GHz微波能量传输系统,采用Ritz-Galerkin(RG)方法建立了微波能量传输系统射频整流电路模型,分析了整流二极管的整流性能,得到了输入功率与输出电压、整流效率与负载比之间的关系.设计了八木振子天线,提高了能量接收的定向性.最后搭建了微小型机器人微波能量传输实验系统,开展了利用微波传输能量驱动微机器人的实验,验证了利用微波能量传输系统为微小型机器人供能的可行性.
A 5.8 GHz microwave power transmission system for micro robots is presented.The rectifying circuit model for the microwave power transmission system is established by Ritz-Galerkin（RG） method,and the features of rectifying diode are analyzed.The relations between input power and output voltage as well as the relations between rectifier efficiency and load ratio are derived.The Yagi-Uda antenna is designed to increase directional performance of power receiving.At last,the microwave power transmission experiment system for micro-robots is set up,and the experiment of driving micro-robot using power transmitted by microwave is carried out.Experiment results show that it is feasible to supply power for micro robots by the proposed microwave power transmission system.
出处
《机器人》
EI
CSCD
北大核心
2010年第4期529-533,共5页
Robot
基金
国家863计划资助项目(2008AA04Z211)
中国博士后科学基金资助项目(20080440875)
哈尔滨工业大学优秀青年教师培养计划资助(HITQNJS.2009.012)
