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Onboard real time modeling of aircraft engines with Hammerstein-Wiener representation

WANG Ji-qiang,  YE Zhi-feng,  HU Zhong-zhi

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文章导航 > 航空动力学报  > 2014 >  (10): 2499-2506
WANG Ji-qiang, YE Zhi-feng, HU Zhong-zhi. Onboard real time modeling of aircraft engines with Hammerstein-Wiener representation[J]. 航空动力学报, 2014, (10): 2499-2506. doi: 10.13224/j.cnki.jasp.2014.10.030
引用本文: WANG Ji-qiang, YE Zhi-feng, HU Zhong-zhi. Onboard real time modeling of aircraft engines with Hammerstein-Wiener representation[J]. 航空动力学报, 2014, (10): 2499-2506. doi: 10.13224/j.cnki.jasp.2014.10.030
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WANG Ji-qiang, YE Zhi-feng, HU Zhong-zhi. Onboard real time modeling of aircraft engines with Hammerstein-Wiener representation[J]. Journal of Aerospace Power, 2014, (10): 2499-2506. doi: 10.13224/j.cnki.jasp.2014.10.030
Citation: WANG Ji-qiang, YE Zhi-feng, HU Zhong-zhi. Onboard real time modeling of aircraft engines with Hammerstein-Wiener representation[J]. Journal of Aerospace Power, 2014, (10): 2499-2506. doi: 10.13224/j.cnki.jasp.2014.10.030
shu

Onboard real time modeling of aircraft engines with Hammerstein-Wiener representation

doi: 10.13224/j.cnki.jasp.2014.10.030

  • Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

基金项目: 

NUAA Fundamental Research Found（NS2013020）

详细信息

  • 中图分类号: V233.7

Onboard real time modeling of aircraft engines with Hammerstein-Wiener representation

  • Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Funds: NUAA Fundamental Research Found（NS2013020）

    摘要
  • 摘要: An identification-based approach for aircraft engine modeling using the nonlinear Hammerstein-Wiener representation was proposed. Hammerstein-Wiener modeling for both limited flight envelope and extended flight envelope was investigated. Simulation shows that the resulting model can be valid over 10% variation of rotational speed of the engine, compared with those linear models that are only valid over 3%—5% change of rotational speed. It is further demonstrated that the proposed method can be utilized over large envelope up to 20% variation of rotational speed of the engine. The fundamental idea is to use nonlinear models to extend the feasible/valid region rather than those linear models. This may consequently simplify the switching logic in the onboard digital control units. This is often overlooked in aircraft engine control community, but has been emphasized in the research.

     

    Abstract: An identification-based approach for aircraft engine modeling using the nonlinear Hammerstein-Wiener representation was proposed. Hammerstein-Wiener modeling for both limited flight envelope and extended flight envelope was investigated. Simulation shows that the resulting model can be valid over 10% variation of rotational speed of the engine, compared with those linear models that are only valid over 3%—5% change of rotational speed. It is further demonstrated that the proposed method can be utilized over large envelope up to 20% variation of rotational speed of the engine. The fundamental idea is to use nonlinear models to extend the feasible/valid region rather than those linear models. This may consequently simplify the switching logic in the onboard digital control units. This is often overlooked in aircraft engine control community, but has been emphasized in the research.

     

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出版历程
  • 收稿日期:  2013-06-18
  • 刊出日期:  2014-10-28

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