Infrared and Laser Engineering, Volume. 50, Issue S2, 20200393(2021)
Current harmonics suppression of the large aperture telescope based on segmented arc PMSM
Fig. 1. Structure distribution of segmented arc motor for large aperture telescope. (a) Stator winding; (b) Mechanical structure
Fig. 2. Dynamic structure of motor current loop
Fig. 3. PR controller Bode diagram on ideal condition
Fig. 4. PR controller Bode diagram when varying 变化PR控制器伯德图
Fig. 5. PR controller Bode diagram when varying 变化PR控制器伯德图
Fig. 6. Quasi-PR controller design of the current loop
Fig. 7. Drive and control platform of segmented arc PMSM. (a) Physical drawing of arc PMSM; (b) Drive and control circuit board
Fig. 8. Simulations comparison of current wave and harmonic analysis between PI and PR controller. (a) Current wave of one period (PI); (b) Current wave of one period (QPR); (c) Harmonics percentage of magnitude of current of simulation (PI); (d) Harmonics percentage of magnitude of current of simulation (QPR)
Fig. 9. Experiments comparison of current wave and harmonic analysis between PI and PR controller. (a) Current wave of PI; (b) Current wave of QPR; (c) Magnitude percentage of current harmonics of experiment (PI); (d) Magnitude percentage of current harmonics of experiment (QPR)
|
|
Get Citation
Copy Citation Text
Xiaoli Song, Hemin Sun, Daxing Wang, Chi Zhang. Current harmonics suppression of the large aperture telescope based on segmented arc PMSM[J]. Infrared and Laser Engineering, 2021, 50(S2): 20200393
Category: Photoelectric measurement
Received: Sep. 3, 2020
Accepted: --
Published Online: Dec. 3, 2021
The Author Email: