An Optimal Current-Sharing Control for Parallel Charging System With Supercapacitors using Pseudospectral Method
作者单位：School of Information and EngineeringCentral South University Hunan Engineering Laboratory of Rail Vehicles Braking Technology School of Electrical and Information EngineeringChangsha University of Science and Technology CRRC ZhuZhou Locomotive Co.Ltd. Department of Mechanical and Aerospace EngineeringUniversity of Central Florida
会议名称：《第37届中国控制会议》
会议日期：2018年
学科分类：080801[工学-电机与电器] 0808[工学-电气工程] 08[工学] 0835[工学-软件工程] 0802[工学-机械工程] 080201[工学-机械制造及其自动化]
基 金：supported by National Natural Science Foundation of China(Grant Nos.61772558,61672537,61672539,61502055,616402538,61403424,61602529,61503048) Hunan Science and Technology Plan Project(2016GK2003)
关 键 词：Current-sharing Optimal control RPM
摘 要：The current-sharing is a critical issue for parallel charging system with supercapacitors,which is a high-order nonlinear system with control inputs *** the paper,a uniform pseudospectral real-time closed-loop optimal control framework is proposed for constrained current-sharing control to minimize the charging time based on Radau Pseudospectral Method（RPM）.In the framework,the current-sharing requirements are formulated as trajectory constraints utilizing the leader-follower structure with bounded *** receding horizon control principle and pseudospetral observer are developed to construct a constrained closed-loop optimal control,in which RPM is leveraged to obtain real-time optimal *** results verify the effectiveness of the proposed approach.