多斩波器电流协同控制  

Research on Multi-Chopper Current Cooperative Control

作　　者：邓其军[1] 曾文彬 戴小然 王向东 Deng Qijun;Zeng Wenbin;Dai Xiaoran;Wang Xiangdong(School of Electrical Engineering and Automation Wuhan University,Wuhan 430072 China)

机构地区：[1]武汉大学电气与自动化学院,武汉430072

出　　处：《电工技术学报》2021年第15期3272-3281,共10页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金资助项目(51977151)。

摘　　要：在由多个降压斩波器各自驱动独立负载的某军事应用场景中,要求各个降压斩波器的输出电流在启动阶段和稳态阶段均具有良好的一致性。如果不加以控制,电流的一致性会受负载差异和启动通信延时等因素的严重影响。该文基于多智能体协同控制思想设计了一种相邻电流协同控制策略,用相邻电流值实时补偿电流设定值的方式实现了系统的控制目标。通过对实际多降压斩波器系统进行实验,引入工业以太网EtherCAT进行信息交互以满足控制系统的实时性要求,从而验证了相邻电流协同控制算法对解决多斩波器电流协同问题具有良好的效果。In a military application scene where multiple buck choppers independently drive independent loads,the output current of each buck chopper is required to have good consistency in the start and steady process.If it is not controlled,the consistency of the current will be severely affected by factors such as load differences and delays in starting communication.Based on the cooperative control of multi-agent systems,this paper designs a cooperative control strategy based on neighbor currents,and utilizes the neighbor current values to compensate the desired current value in real time to achieve the control goals of the system.Furthermore,the actual experiments on multi-buck chopper system are performed and industrial Ethernet EtherCAT for information exchange to meet the real-time requirements of the control system is introduced,thus verifying the effectiveness and excellent performance of the neighbor current cooperative control algorithm on solving the multi-chopper current cooperative problem.

关 键 词：多斩波器控制系统 协同控制 系统稳定性 工业以太网 

分 类 号：TM76[电气工程—电力系统及自动化] TP13[自动化与计算机技术—控制理论与控制工程]