Volume 32 Issue 11
Nov.  2006
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Tian Xihui, Fang Jiancheng, Liu Ganget al. Gain scheduling cross feedback control approach for magnetic suspending flywheel[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(11): 1299-1303. (in Chinese)
Citation: Tian Xihui, Fang Jiancheng, Liu Ganget al. Gain scheduling cross feedback control approach for magnetic suspending flywheel[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(11): 1299-1303. (in Chinese)

Gain scheduling cross feedback control approach for magnetic suspending flywheel

  • Received Date: 30 Apr 2006
  • Publish Date: 30 Nov 2006
  • At high rotational speeds, the gyroscopic effect of flywheel rotor is the major factor that influences rotor stability. The gyroscopic effects will lead to nutation destabilization or procession destabilization. A gain scheduling proportional cross feedback control algorithm based on the rotational speed is accepted to compensate nutation and precession lag in phase by creating the parameter table of cross feedback channel according to different rotational speed interval. The active magnetic bearing-rotor system model based on the gyroscopic technical equation is established. Root locus method of the classical control theory is used to give nutation stability simulation and analysis based on this model. Instruction of setting and optimization of the controlling parameter is presented. Simulation and test prove that this method can improve nutation stability caused by gyroscopic effects effectively. The designed prototype magnetic suspending flywheel can reach its rated design speed (30000r/min) stably.

     

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