Chinese Optics, Volume. 18, Issue 1, 105(2025)
Improved integral sliding mode control strategy for the segmented arc permanent magnet synchronous motor based on dual observer
Fig. 3. Comparison of simulation results of speed output of two control schemes under working condition 1
Fig. 4. Simulation results of q-axis current output under working condition 1
Fig. 5. Simulation results of d-axis current output under working condition 1
Fig. 6. Comparison of simulation results of speed output of two control schemes under working condition 2
Fig. 7. Simulation results of q-axis current output under working condition 2
Fig. 8. Simulation results of d-axis current output under working condition 2
Fig. 9. Electronic control experimental platform of large-aperture astronomical telescope
Fig. 12. Actual speed and estimated speed under traditional sliding mode control
Fig. 13. Actual speed and estimated speed under improved sliding mode control combined with dual observer control
Table 1. Parameters of the SAPMSM
View tableView in ArticleTable 1. Parameters of the SAPMSM
参数 数值 极对数 $p$ 200 定子电阻 ${R_{\mathrm{s}}}/\Omega$ 20 d轴电感 ${L_{\text{d}}}/{\text{H}}$ 1.2 q轴电感 ${L_{\text{q}}}/{\text{H}}$ 1.2 转动惯量 $J/({\text{Kg}} \cdot {{\text{m}}^{\text{2}}})$ 18000 永磁体磁链 ${\psi _{\text{f}}}/{\text{Wb}}$ 3.5 母线电压 ${U_{{\text{dc}}}}/{\text{V}}$ 300
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Zhao-jin CAO, Xiao-li SONG, Ren-Qiu FAN, Chao ZHANG. Improved integral sliding mode control strategy for the segmented arc permanent magnet synchronous motor based on dual observer[J]. Chinese Optics, 2025, 18(1): 105
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Received: May. 7, 2024
Accepted: Jul. 23, 2024
Published Online: Mar. 14, 2025
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