Transactions of Nanjing University of Aeronautics & Astronautics
Improved One-Cycle Control Algorithm in Five-Phase Six-Leg Switching Power Amplifiers for Magnetic Suspension Bearing
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Abstract:
For the advantages of easy realization and rapidly intelligent response， the one-cycle control was applied in five-phase six-leg switching power amplifier for magnetic bearing. This paper improves the one-cycle control considering resistance voltage drop and derives its mathematical models. The improved algorithm is compared with the former one. The simulation and experimental results show that the improved algorithm can effectively reduce the output current ripple， achieve good tracking of the given current， improve the control accuracy， and verify the effectiveness and superiority of the method.
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