1.广西电网有限责任公司电力科学研究院;2.重庆大学自动化学院
TM724
自治区重点研发计划项目：基于RTK高精度定位无线充电续航技术的配电智能巡线无人机研发(桂科AB19245041)
1.Electric Power Research Institute Guangxi Power Grid Co,Ltd;2.School of automation, Chongqing University;3.Electric Power Research Institute Guangxi Power Grid Co,Ltd,Nanning
Autonomous Region Key R&D Project: Research and Development of Power Distribution Intelligent Line Patrol UAV Based on RTK High-precision Positioning Wireless Charging and Endurance Technology (Guike AB19245041)
无线充电技术因其灵活、可靠、安全等优点在无人机、家电及电动汽车等领域应用越来越广泛。为实现系统能效最优及状态监测，提高无线充电系统性能，在进行无线充电之前还需要进行无人机与充电端身份认证和通信连接，确保充电过程的正常运行。由于传统的通信方式在多无人机无线充电系统通信连接中存在连接混乱的问题，导致充电系统工作紊乱，因此需要在无人机充电之前进行充电端与无人机的ID信息认证，完成无人机与充电端通信连接，确保充电端与无人机建立通信连接后再进行充电，保证充电过程的正常。为了解决多无人机无线充电系统通信混乱的问题，本文基于逆变调制的方法提出一种多无人机无线充电身份认证的方法，基于原有的无人机无线充电系统，在进行无线充电之前，将逆变电路的驱动信号作为载波，对充电端独有的ID信息进行调制，产生携带充电端ID信息的电能信号，无人机接收此电能信号后，识别出充电端ID进行通信配对，然后逆变电路以能量传输的固定频率工作，对无人机进行无线充电。本方法通过无人机无线充电系统本身来进行身份识别，无需增加额外的硬件电路和信号传输线圈，简化了系统结构和成本。
Wireless charging technology is more and more widely used in UAV, home appliances, electric vehicles and other fields because of its flexibility, reliability and safety. In order to achieve the optimal energy efficiency and condition monitoring of the system and improve the performance of the wireless charging system, the identity authentication and communication connection between the UAV and the charging end need to be carried out before wireless charging to ensure the normal operation of the charging process. Because the traditional communication mode has the problem of chaotic connection in the communication connection of multi UAV wireless charging system, resulting in the disorder of the charging system, it is necessary to authenticate the ID information between the charging end and the UAV before charging the UAV, complete the communication connection between the UAV and the charging end, ensure that the charging end and the UAV are charged after establishing the communication connection, and ensure the normal charging process. In order to solve the problem of chaotic communication of multi UAV wireless charging system, this paper proposes a method of multi UAV wireless charging identity authentication based on the method of inverse modulation. Based on the original UAV wireless charging system, before wireless charging, the driving signal of the inverter circuit is used as the carrier to modulate the unique ID information of the charging end and generate the electric energy signal carrying the ID information of the charging end, After receiving the electric energy signal, the UAV identifies the ID of the charging end for communication pairing, and then the inverter circuit works at a fixed frequency of energy transmission to wirelessly charge the UAV. This method carries out identification through the UAV wireless charging system itself, without adding additional hardware circuit and signal transmission coil, and simplifies the system structure and cost.
