| 李大为1，2 ，王奕首 1 ，李军2 ，谢业平 2 ，张博文 2 ，夏迩豪 2.军用航空发动机气路故障诊断技术进展[J].航空发动机,2024,50(6):1-12 |
| Review on Gas Path Fault Diagnosis Technology for Military Aeroengine |
| DOI： |
| Key Words:gas path fault diagnosis health management military aeroengine adaptive cycle engine |
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| Abstract:With the advancement of gas path fault diagnosis technology in the aeroengine health management system, more and more
military aeroengines focus on gas path fault diagnosis design in the development process from the perspective of improving flight safety and
reducing condition-based maintenance cost. To enhance the safety of engine operation, this paper systematically reviews the evolution of
gas path fault diagnosis technology for military aeroengines at home and abroad and summarizes the technical characteristics in four stages.
The research focuses on the general methods and their pros & cons of model-based gas path fault diagnosis, data-driven gas path fault
diagnosis, and information fusion gas path fault diagnosis. Key technologies of gas path fault diagnosis for military aeroengines are
proposed, and the development trends are discussed, including conducting research on the correlation between unmeasurable parameters
and measurable parameters using onboard real-time models, strengthening gas path fault diagnosis design in a transient state such as mode
conversion, and rationally handling the function allocation relationship between the control system and the health management system. At
the same time, in response to the characteristics and requirements of advanced military variable-cycle engines, suggestions for phased
implementation of gas path fault diagnosis design during engineering development are provided. It can provide references for China's future
development of gas path fault diagnosis design for adaptive cycle engines. |
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