面向新能源重力储能系统的永磁同步电机无传感器控制优化

doi:doi:10.19912/j.0254-0096.tynxb.2024-0902

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面向新能源重力储能系统的永磁同步电机无传感器控制优化

更新时间：2025-10-22

- 面向新能源重力储能系统的永磁同步电机无传感器控制优化
- Vol. 46, Issue 9, Pages: 351-361(2025)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：doi:10.19912/j.0254-0096.tynxb.2024-0902
  CLC： TK02
- Published Online：14 October 2025，
  
  Published：2025
- 稿件说明：
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[J]. 2025, 46(9): 351-361.
DOI：

[J]. 2025, 46(9): 351-361. DOI： doi:10.19912/j.0254-0096.tynxb.2024-0902.

摘要

针对传统滑模观测器符号函数不连续易产生系统抖振、估算精度低、抗扰动能力差的问题

构建新型开关函数

进而设计一种改进滑模观测器用于估算转子位置

提高估计精度

并通过李雅普诺夫稳定性理论对其进行校验;搭配负载扰动观测器用以实时估计负载转矩

对外界扰动造成的转速跌落进行补偿;最后利用改进二阶广义积分器陷波锁相环解算电机转子位置。通过仿真和实验对比

该文提出的改进控制策略能有效改善扩展反电动势波形

提高转子位置估算精度

同步机转速波动小于1%

突加扰动后转速跌落小

系统鲁棒性强

重力储能系统运行效率高。

Abstract

In order to solve the problems of system chattering

low estimation accuracy and poor anti-disturbance ability caused by the discontinuity of the symbol function of the traditional sliding mode observer

a new type of switching function is constructed

and then an improved sliding mode observer is designed to estimate the rotor position and improve the estimation accuracy

which is verified by the Lyapunov stability theory. It is equipped with a load disturbance observer to estimate the load torque in real time and compensate for the speed drop caused by external disturbance. Finally

the improved second-order generalized integrator notch phase-locked loop is used to calculate the rotor position. Through the comparison between simulation and experiment

the improved control strategy proposed in this paper can effectively improve the extended back EMF waveform

improve the accuracy of rotor position estimation

the speed fluctuation of the synchronous motor-generator is less than 1%

which has the advantages of the small speed drop after sudden disturbance

the high robustness and the high operation efficiency of the gravity energy storage system.

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references

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