Volume 28 Issue 6
Jun.  2013
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ZHAI Xu-sheng, XIE Shou-sheng, MIAO Zhuo-guang, PENG Jing-bo, ZHANG Zi-yang, WANG Lei. Fault detection of aero-engine non-linear distributed control system based on T-S fuzzy model[J]. Journal of Aerospace Power, 2013, 28(6): 1429-1435.
Citation: ZHAI Xu-sheng, XIE Shou-sheng, MIAO Zhuo-guang, PENG Jing-bo, ZHANG Zi-yang, WANG Lei. Fault detection of aero-engine non-linear distributed control system based on T-S fuzzy model[J]. Journal of Aerospace Power, 2013, 28(6): 1429-1435.

Fault detection of aero-engine non-linear distributed control system based on T-S fuzzy model

  • Received Date: 2012-06-27
  • Publish Date: 2013-06-28
  • The problem of fault detection for aero-engine no-liner distributed control system was studied.Firstly,a new non-linear modeling method for aero-engine based on Takagi-Sugeno(T-S) fuzzy model and flight envelop division was proposed,and the model of the distributed control system with network derivational time-delay was established by using this method.Secondly,if the distributed control system was regarded as a discrete switch system,a fault detection observer with time-delay compensation was designed,and the sufficient conditions of asymptotically stability for the observer-based residual system were presented.The total simulation took 20 seconds, a step fault with 0.0025 amplitude happened at the 12th second, the simulation results show that: the fault observer was asymptotic stable for preceding 12 seconds, and the residuals rapidly increased and exceeded the threshold value at the 12th second, thereby the fault would be detected.

     

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