Model-Free Predictive Current Control for Interior Permanent-Magnet Synchronous Motor Drives Based on Current Difference Detection Technique

被引：328
作者：
Lin, Cheng-Kai [1 ]
Liu, Tian-Hua [2 ]
Yu, Jen-Te [3 ]
Fu, Li-Chen [3 ]
Hsiao, Chieh-Fu [2 ]
机构：
[1] Natl Taiwan Ocean Univ, Keelung 20224, Taiwan
[2] Natl Taiwan Univ Sci & Technol, Taipei 106, Taiwan
[3] Natl Taiwan Univ, Taipei 106, Taiwan
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2014年 / 61卷 / 02期
关键词：
Current difference detection; interior permanent-magnet synchronous motor (IPMSM); predictive current control (PCC); SPACE-VECTOR MODULATION; TORQUE CONTROL; STRATEGY;
D O I：
10.1109/TIE.2013.2253065
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A model-free predictive current control (PCC) of interior permanent-magnet synchronous motor (IPMSM) drive systems based on a current difference detection technique is proposed. The model-based PCC (MBPCC) of IPMSM requires knowledge of parameters such as resistance, q-axis inductance, and extended back EMF. This paper develops a new model-free approach that alleviates the need for excessive prior knowledge about the system and only utilizes the stator currents as well as the current differences corresponding to different switching states of the inverter. Despite the salient difference of the proposed approach, it adopts a measure similar to that in the MBPCC approach to obtain the next switching state of the inverter by minimizing a cost function. It is noteworthy that the proposed method is easy to implement due to its simplicity and free of any multiplication operation. For comparison purposes, a digital signal processor, TMS320LF2407, is used to execute the two aforementioned current control techniques. Several experimental results show that the proposed method can significantly improve the current-tracking performance.
引用
收藏
页码：667 / 681
页数：15
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