Dead-Time Effect Analysis and Compensation for Deadbeat-Direct Torque and Flux Control of PMSMs to Eliminate Steady-State Error

被引：1
|
作者：
Lang, Jiewen [1 ]
Tong, Chengde [1 ]
Zheng, Ping [1 ]
Liang, Xiaoyu [1 ]
Yuan, Xuejin [1 ]
Ren, Wu [2 ]
机构：
[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin, Peoples R China
[2] Beijing Inst Aerosp Control Devices, Beijing, Peoples R China
来源：
2022 25TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2022) | 2022年
基金：
中国国家自然科学基金;
关键词：
dead-time compensation; DB-DTFC; steady-state error; STRATEGY; VOLTAGE;
D O I：
10.1109/ICEMS56177.2022.9983020
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Although deadbeat-direct torque and flux control (DB-DTFC) can realize excellent dynamic responses for permanent magnet synchronous machine (PMSM) drives, it suffers from problems of steady-state error and transient oscillation due to dead-time effect. To solve these problems, this paper proposes a dead-time compensation scheme. In order to investigate the effect of dead-time on DB-DTFC, the voltage distortion is derived and analyzed. Then, by both mathematical and graphical methods, it is originally verified that dead-time would lead to steady-state error in DB-DTFC. Therefore, a zero time delay compensation method which could overcome the weakness of the sampling and calculation time delay and eliminate steady-state error and undesired transient oscillation is proposed. Hence, the degradation caused by dead-time could be virtually mitigated and thus deadbeat responses are guaranteed. Finally, the proposed compensation scheme is experimentally validated on a 10.2kW PMSM drive platform.
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页数：5
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