scholarly journals Direct Vibration Force Suppression for Magnetically Suspended Motor Based on Synchronous Rotating Frame Transformation

IEEE Access ◽  
2019 ◽  
Vol 7 ◽  
pp. 37639-37649 ◽  
Author(s):  
Cong Peng ◽  
Qian Zhou
Keyword(s):  
Rotating Frame ◽  
Frame Transformation ◽  
Direct Vibration

scholarly journals Vibration Torque Suppression for Magnetically Suspended Flywheel Using Improved Synchronous Rotating Frame Transformation

2019 ◽  
Vol 2019 ◽  
pp. 1-13 ◽  
Author(s):  
Cong Peng ◽  
Kaiwen Cai ◽  
Zhiquan Deng ◽  
Kexiang Li
Keyword(s):  
Control Method ◽  
Magnetic Bearing ◽  
Active Magnetic Bearing ◽  
Rotating Frame ◽  
Overall Stability ◽  
High Power Consumption ◽  
Frame Transformation ◽  
The Stability ◽  
Amb System ◽  
Gyroscopic Effects

Synchronous vibration, a common issue in active magnetic bearing (AMB) system, is mainly caused by mass imbalance of the rotor. It comes with high-power consumption and serious impact on the housing base, dramatically degrading the performance of AMB. Magnetically suspended flywheel (MSFW), which owns a flat rotor and consequently shows strong gyroscopic effects even at low operating speed, requires additional attention not only for suppressing the synchronous vibration but also for maintaining the overall stability faced with the coupled dynamics. In this work, in order to suppress the vibration torques in MSFW with significant gyroscopic effects, an improved synchronous rotating frame- (SRF-) based control method is proposed. The proposed method introduces the compensation phase for stability adjustment and aims at simultaneously suppressing the synchronous components in the coupled axes. Firstly, the vibration torque model of MSFW is established, and the baseline control strategy for suspension and gyroscopic effects restrain is derived. Then, the principle and implementation of the improved SRF-based vibration torque method are analyzed, which aims at suppressing the synchronous vibration torques through attenuating synchronous components in coil currents. Moreover, the stability of the overall closed-loop system is analyzed. Finally, the effectiveness of the proposed method is verified through simulation and experimental results.

Harmonic Vibration Control of MSCMG Based on Multi-Synchronous Rotating Frame Transformation

2021 ◽  
pp. 1-1
Author(s):  
Peiling Cui ◽  
Liang Du ◽  
Xinxiu Zhou ◽  
Jinlei Li ◽  
Yanbin Li ◽  
...  
Keyword(s):  
Vibration Control ◽  
Harmonic Vibration ◽  
Rotating Frame ◽  
Frame Transformation

scholarly journals Turbulent energy motion of fiber suspensions in a rotating frame

2021 ◽  
Vol 60 (3) ◽  
pp. 3345-3352
Author(s):  
S.F. Ahmed ◽  
M.G. Hafez ◽  
Yu-Ming Chu ◽  
M. Mofijur
Keyword(s):  
Turbulent Energy ◽  
Fiber Suspensions ◽  
Rotating Frame
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