Citation: | YAN Y F,GAN X S,WU Y R,et al. Aircraft landing safety quality analysis based on modified FRAM method[J]. Journal of Beijing University of Aeronautics and Astronautics,2023,49(8):1964-1973 (in Chinese) doi: 10.13700/j.bh.1001-5965.2021.0574 |
The aircraft landing stage poses the highest risk of flight accidents and demands the most rigorous technical skills from pilots. Thus, a scientific assessment system should be established to accurately evaluate pilots’ technical skills of landing control, identify their technical defects, and formulate measures to improve the safety quality in the landing stage. Based on the functional resonance accident model (FRAM), functional network models of aircraft landing glide and taxiing deceleration are constructed. An aircraft landing taxiing deceleration model is also developed. The pilot’s landing operation is simulated by virtual flight tests, and the data of the landing control with different pavements is sampled. By comparing the sampled data with the safety envelope, the functional resonance relationship and the functional changes in the network are identified. To continuously optimize the safety quality of the landing control, the FRAM analysis process is improved, a rolling optimized program of data acquisition and safety barrier effectiveness verification is built, and invalid control measures are eliminated in time. The improved FRAM analysis method weakens the dependence of traditional analytical methods on the knowledge structure of analysts. Furthermore, the analysis results are more objective, which can provide effective technical support for the training of flight cadets and the continuous improvement of pilots’ ability.
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