Fault Diagnosis and Prognostic Methods Based on Hybrid System Theory for MEHI Systems in Aircraft

Abstract:

Health management is the primary technical approach to ensure the safety and reliablity in aircraft. The degradation process of Mechanical Electrical and Hydraulic Integration (MEHI) systems have the characteristics of the hybrid system. In this paper, we firstly review the research on the hybrid systems in recent years, then based on the hybrid system theory , present the fault diagnosis and prediction for MEHI system in aircraft. Lastly proposes a fusion method for predicting the failure time based on the data-driven and system physical characteristics.

• Periodical: Applied Mechanics and Materials (Volume 389)
• Pages: 550-555
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.389.550
• Online since: August 2013
• Authors: Zhen Hua Wen, Jun Xing Hou, Zhi Qiang Jiang
• Keywords: Fault Diagnosis, Health Management, Hybrid System, Hydraulic Integration (MEHI) Systems, Mechanical Electrical, Prognosis

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