A General Control Method for Half-Centralized Open Winding Permanent-Magnet Motor Drive System
A General Control Method for Half-Centralized Open Winding Permanent-Magnet Motor Drive System
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DOI：
10.1109/tie.2023.3265038
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发表时间：
2023
影响因子：
7.7
通讯作者：
W. Tian;Wei Wang;W. Hua;Ming-Ming Cheng-Ming
中科院分区：
文献类型：
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作者：
W. Tian;Wei Wang;W. Hua;Ming-Ming Cheng-Ming
提出了一种基于占空比选择的半集中式开环初级永磁直线电机驱动系统的通用控制方法。所提出的控制方法是从单相子系统的角度设计的。本文的新奇在于电压处理和调制，实现了从两个电机到多个电机的扩展。电压处理和调制部分包括电压预处理器、饱和限制器和占空比分配器。在电压预处理器中，相电压被转换为相位调制指数。饱和限制器基于独立过调制原理，对过相位调制指数进行处理。占空比分配器通过基于共桥臂的分配原理将电压需求分配到逆变器。与现有方法相比，该控制方法可以实现从两个运动器到多个运动器的扩展，且计算量小。此外，更多的动子数量不会增加分析和设计的复杂性。最后，实验结果验证了所提出的控制方法的有效性。
In this article, a general control method based on duty ratio selection for half-centralized open winding primary permanent-magnet linear motor drive system is proposed. The proposed control method is designed from the perspective of single-phase subsystem. The novelty of this article is the voltage process and modulation, which can realize the expansion from two movers to multimovers. The design of voltage process and modulation contains voltage preprocessor, saturation limiter, and duty ratio distributor. In the voltage preprocessor, phase voltages are transferred to phase modulation index. The saturation limiter deals with excessive phase modulation indexes based on the independent overmodulation principle. The duty ratio distributor distributes the voltage demand into inverters by the common-leg-based distribution principle. Compared to existing methods, the proposed control method can realize the expansion from two movers to multimovers and has less computation burden. In addition, more mover quantities will not increase the complexity of analysis and design. Finally, the effectiveness of the proposed control method has been verified by experimental results.