永磁同步电机分段变交轴电压弱磁控制方法

梁 裕; 刘维亭; 魏海峰; 张 懿; 李垣江

doi:10.11993/j.issn.2096-3920.2022.01.008

永磁同步电机分段变交轴电压弱磁控制方法

doi: 10.11993/j.issn.2096-3920.2022.01.008

江苏科技大学电子信息学院, 江苏镇江, 212003

基金项目: 国家自然基金科学基金项目(51977101); 江苏省省重点研发计划产业前瞻性与共性关键技术重点项目(BE2018007).

详细信息

作者简介:
梁裕(1996-), 男, 在读硕士, 主要从事电机驱动控制研究.

中图分类号: TM351 TJ630.32
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- 文章访问数: 67
- HTML全文浏览量: 32
- PDF下载量: 29
- 被引次数: 0
出版历程
- 收稿日期: 2021-03-18
- 修回日期: 2021-04-19
- 刊出日期: 2022-02-28

Field Weakening Control Method of Subsection Variable Quadrature Axis Voltage for Permanent Magnet Synchronous Motor

School of Electronics and Information, Jiangsu University of Science and Technology, Zhenjiang 212003, China

摘要

摘要: 水面生命探测机器人等救援探测设备在运行状态下, 其供电电压会发生下降, 为提高其机动性和稳定性, 可进入弱磁扩速状态。在供电电压恒定的情况下, 通过变交轴电压法的单电流调节器控制, 可有效避免双电流调节器造成的控制系统复杂化, 以及系统失控和控制效率过低等问题, 实现结构简单、控制安全和方便的效果。文中改进了弱磁控制系统的反馈环节和变交轴电压给定方式, 增加了限幅处理, 提出一种交轴电压给定方式, 将电机弱磁过程划分为恒功率弱磁和深度弱磁2个部分, 分段实时调节交轴电压, 使电机在深度弱磁状态下鲁棒性更强, 提高电机高转速下的稳定性。通过Simulink仿真及实验数据分析, 证实了该控制方法的可靠性。
- 永磁同步电机 /
- 深度弱磁 /
- 单电流调节器 /
- 分段变交轴电压
Abstract: When rescue detection equipment such as water-surface life-detection robots are in operation, their power supply voltage drops, which can cause them to enter a weak expansion state to improve maneuverability and stability. Under the condition of constant supply voltage, a single-current regulator control of the variable quadrature axis voltage method can effectively avoid the complexity of the control system caused by a double-current regulator, which maintains system control, improves the control efficiency, allows for the realization of a simple structure, provides safe control, and has a convenient effect. In this study, the feedback link of the field weakening control system and given method of variable quadrature axis voltage are improved, and a limit processing is added. A method of quadrature axis voltage setting is proposed, which divides the motor field weakening process into constant power field weakening and deep field weakening; in two parts, the quadrature axis voltage is adjusted in real time, in sections, to make the motor more robust in the deep field weakening state and improve its stability at high speeds. Through a Simulink simulation and an experimental data analysis, the reliability of the control method is verified.
- permanent magnet synchronous motor /
- deep field weakening /
- single current regulator /
- voltage feedback

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参考文献(15)

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