电工技术学报  2022, Vol. 37 Issue (16): 4134-4142    DOI: 10.19595/j.cnki.1000-6753.tces.211387
电力电子 |
一种开关频率可控的有限集模型预测控制
陈卓易1, 屈稳太1, 邱建琪2
1.浙大宁波理工学院信息科学与工程学院 宁波 315100
2.浙江大学电气工程学院 杭州 310027
A Switching-Frequency-Controlled Finite-Control-Set Model Predictive Control Method
Chen Zhuoyi1, Qu Wentai1, Qiu Jianqi2
1. School of Information Science and Engineering NingboTech University Ningbo 315100 China
2. College of Electrical Engineering Zhejiang University Hangzhou 310027 China
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摘要 有限集模型预测控制(FCS-MPC)在逆变器控制中具有简单直观、响应快速、易于多目标优化等优点,但无调制器的特点造成逆变器开关频率随工作点、系统参数等多种因素变化。为保留FCS-MPC优点的同时解决开关频率不固定的问题,该文提出一种基于自适应代价函数的开关频率控制方法,通过检测开关频率与参考频率的误差,自动调节开关代价权重系数,实现开关频率对参考值的跟随。通过三相永磁同步电机逆变器驱动实验结果表明,所提出方法可以在全工作范围跟踪参考频率,对系统参数变化具有一定的鲁棒性,同时保留了FCS-MPC的优点。
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关键词 有限集模型预测控制开关频率控制代价函数电流控制    
Abstract:The finite-control-set model predictive control (FCS-MPC) for the inverters has the advantages of simplicity, fast responsiveness and easy inclusion of multiple objectives. However, the absence of the modulator makes the switching frequency of the inverter vary with various factors such as the working point and system parameters. To solve the problem of variable switching frequency while retaining the advantages of the FCS-MPC, this paper proposed a switching-frequency-controlled FCS-MPC based on the adaptive cost function. The weighting factor of the switching cost is adjusted according to the error between the reference and the sampled frequency to realize the reference tracking. Experimental results on a 3-phase permanent magnet synchronous motor drive validate that the proposed method can track the reference frequency in the full working range, and has robustness against parameter variation, while retaining the advantages of the FCS-MPC.
Key wordsFinite-control-set model predictive control (FCS-MPC)    switching frequency control    cost function    current control   
收稿日期: 2021-09-03     
PACS: TM46  
基金资助:国家自然科学基金资助项目(51907176)
通讯作者: 邱建琪,男,1974年生,副教授,博士生导师,研究方向为电机系统及其控制。E-mail: motor@zju.edu.cn   
作者简介: 陈卓易,男,1990年生,讲师,博士,研究方向为永磁电机预测控制与无位置传感器控制。E-mail: chenzhuoyi@nbt.edu.cn
引用本文:   
陈卓易, 屈稳太, 邱建琪. 一种开关频率可控的有限集模型预测控制[J]. 电工技术学报, 2022, 37(16): 4134-4142. Chen Zhuoyi, Qu Wentai, Qiu Jianqi. A Switching-Frequency-Controlled Finite-Control-Set Model Predictive Control Method. Transactions of China Electrotechnical Society, 2022, 37(16): 4134-4142.
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