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| Research on Several Key Problems of Individual Aircraft Fatigue Life Monitoring for Aircraft Structure |
| Received:September 07, 2011 Revised:December 15, 2011 |
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| DOI： |
| KeyWord:aircraft life monitoring flight data fatigue damage |
| Author | Institution |
| ZHANG Tai-feng |
Qingdao Branch of Navy Aeronautic Engineering Academy，Qingdao ，China |
| SUN Wen-sheng |
Qingdao Branch of Navy Aeronautic Engineering Academy，Qingdao ，China |
| YANG Xiao-hua |
Qingdao Branch of Navy Aeronautic Engineering Academy，Qingdao ，China |
| ZHAO Wei-yi |
Qingdao Branch of Navy Aeronautic Engineering Academy，Qingdao ，China |
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| Abstract: |
| The life of aircraft structure depends on its manipulating methods, and individual aircraft fatigue life monitoring is an effective way to reflect the difference. Based on the theory of flight data monitoring, the influences of different sample rate and different threshold were analyzed in detail by considering its efficiency and precision, and the sample rate and threshold for certain aircraft were proposed. The influence of different suspension weights on calculation result of damage was discussed. The purpose was to provide theoretical basis for individual aircraft fatigue life monitoring. |
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