2010 Prognostics & System Health Management Conf., Macau, China, Jan. 12-14, 2010.

Research on Electrostatic Monitoring Technology for Aero-engine Gas Path

Wen Zhenhua1, Zuo Hongfu2, Daniel Kit Lau1, Michael G,Pecht1

1. PHM Centre, City University of Hong Kong, Hong Kong
2. RMS Centre, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016,China



Advanced monitoring tools must have the ability to monitor, diagnose and predict different aspects in order to achieve the overall health management of aero-engine. Electrostatic monitoring technology, as a method for improving the PHM capabilities of aero-engine, is presented in this paper. Firstly, the background, research and development status of electrostatic monitoring technology are introduced in brief. Then, the key issues of electrostatic monitoring technology for aero-engine gas path, including basic principle, sensor technology, signal feature extraction and knowledge acquisition model, are proposed. Lastly, the challenges of electrostatic monitoring technology facing under the background of launching the large aircraft program plan in China are listed in the paper.

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