Volume 27 Issue 12
Dec.  2012
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LU Yang, DONG Wei-sheng, HONG Liang, FENG Jian-bo. Experiment on blade pitch control of electrically controlled rotor based on adaptive filter control algorithm[J]. Journal of Aerospace Power, 2012, 27(12): 2706-2713.
Citation: LU Yang, DONG Wei-sheng, HONG Liang, FENG Jian-bo. Experiment on blade pitch control of electrically controlled rotor based on adaptive filter control algorithm[J]. Journal of Aerospace Power, 2012, 27(12): 2706-2713.

Experiment on blade pitch control of electrically controlled rotor based on adaptive filter control algorithm

  • Received Date: 2011-12-05
  • Publish Date: 2012-12-28
  • A new control algorithm based on the adaptive filter in time domain was brought forward.Based on this, the control system of electrically controlled rotor (ECR) blade pitch with double closed-loop was developed.Then, utilizing the test rig of model ECR, the pitch control experiments were performed in hover state.The experiments show that the developed control system of ECR blade pitch can work reliably through the tests.The control law based on the adaptive filter is successful in ECR collective pitch control, cyclic pitch control and collective pitch mixing with cyclic pitch control.The amplitude of the blade pitch was fitted well with the expected value, and the phase lag was about 10°~15°.The phase lag between the servo flap deflection and the response of blade pitch was about 20°~30°.Because of the structural and aerodynamic differences among different blades and servo flaps, the effect of blade pitch control will be reduced to some extent.

     

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