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永磁同步电机的控制策略研究
史辰星
Subtype硕士
Thesis Advisor王晨
2018-05
Degree Grantor中国科学院大学
Place of Conferral北京
Degree Discipline控制理论与控制工程
Keyword永磁同步电机 Svpwm 矢量控制 Smo 无传感器控制 滑模控制器 直接转矩控制 Dsp Fpga
Other AbstractDue to its numerous advantages, permanent magnet synchronous motors have been widely used in social life and industrial production. Therefore, we must conduct meticulous research on the control of permanent magnet synchronous motors. Vector control and direct torque control are two well-established control strategies, each with its own advantages in daily life and engineering applications. Nowadays, research on sensorless control strategies is also maturing and it has gradually become a new trend in the development of permanent magnet synchronous motors.This article begins with a brief introduction to the development of permanent magnet synchronous motors, followed by a detailed description of the space vector pulse width modulation method in vector control. Based on the this method, the traditional sliding mode control algorithm and the sliding mode control algorithm in the synchronous rotating coordinate system based on the fundamental wave mathematical model are introduced.; and the above three strategies are simulated in MATLAB/Simulink. The simulation results show that : the traditional sliding mode control algorithm can be compared with the control effect of the SVPWM method in vector control on the motor, and the control effect of the sliding mode control algorithm in the synchronous rotation coordinate system is slightly worse than the former two methods.This article then introduces the Direct Torque Control and its improved algorithm: Direct Torque Control based on sliding mode control. The above two algorithms are simulated in MATLAB/Simulink. The results show that the improved algorithm can improve the speed regulation performance and reduce the torque ripple.This paper studies the control strategy of permanent magnet synchronous motor and completes the simulation platform construction, which provides a solid theoretical foundation for practical application. Finally, based on the simulation, SVPWM method is used to complete the design of the hardware circuit with DSP and FPGA as the core. Afterwards, the design and preparation of the algorithm are completed, and the experimental platform is set up and debugged online. The debugging results show that the system Achieve good control performance.
Language中文
Document Type学位论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30103
Collection研究生部
Recommended Citation
GB/T 7714
史辰星. 永磁同步电机的控制策略研究[D]. 北京. 中国科学院大学,2018.
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永磁同步电机的控制策略研究.pdf(8826KB)学位论文 开放获取CC BY-NC-SAApplication Full Text
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