Volume 29 Issue 9
Sep.  2014
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SHENG Xian-jun, ZHONG Sheng, JIANG Tao. Active control of flexible structure vibration based on fuzzy fractional order PIPIλDμ[J]. Journal of Aerospace Power, 2014, 29(9): 2091-2096. doi: 10.13224/j.cnki.jasp.2014.09.011
Citation: SHENG Xian-jun, ZHONG Sheng, JIANG Tao. Active control of flexible structure vibration based on fuzzy fractional order PIPIλDμ[J]. Journal of Aerospace Power, 2014, 29(9): 2091-2096. doi: 10.13224/j.cnki.jasp.2014.09.011
shu

Active control of flexible structure vibration based on fuzzy fractional order PIPIλDμ

doi: 10.13224/j.cnki.jasp.2014.09.011

  • School of Electrical Engineering, Dalian University of Technology, Dalian Liaoning 116033, China

  • Received Date: 2013-06-07
  • Publish Date: 2014-09-28
    Abstract
  • In order to prevent wings vibration due to external interference, for the control object of flexible cantilever beam a scheme of fractional order proportion integration differentiation controller based on parameters self-correction was proposed. After the parameters were optimized by genetic algorithm firstly, they were set online by fuzzy rule for the second time in order to achieve real-time optimum control. Numerical simulation was carried out by Simulink software, and result shows that the proposed fractional order proportion integration differentiation controller has a memory ability and a strong dynamic characterization ability. Compared with the conventional proportion integration differentiation controller, the steady state time of system response decreases by 0.9s under impulse stimulation; the reduced amplitude of system response increases from 88% to 96% under harmonic stimulation; the system tends to be more stable and the response jitter reduces under random stimulation.

     

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