南京航空航天大学学报（英文版）2026，Vol.43Issue(1)：73-84,12.DOI:10.16356/j.1005-1120.2026.01.006
一种高鲁棒性襟翼倾斜探测监控器设计
Design of a High-Robustness Flap Skew Detection Monitoring Threshold
田金强 1童明波 2薛瀛3
作者信息
- 1. 上海飞机设计研究院,上海 200210,中国||南京航空航天大学航空学院,南京 210016,中国
- 2. 南京航空航天大学航空学院,南京 210016,中国
- 3. 上海飞机设计研究院,上海 200210,中国
- 折叠
摘要
Abstract
Focusing on civil aircraft flap skew detection design,this paper proposes a high-robustness monitoring design methodology to address insufficient monitor robustness that may trigger false alarms and disrupt airline operations.Based on flap skew detection principles and threshold design criteria,the threshold range is defined with upper limit of maximum deformation under aerodynamic load and lower limit of sensor error margin and nominal flight deformation.Since the complex loading conditions of maximum flap differential deformation(max Δλ)during normal flight cannot be theoretically determined,probabilistic methods are employed:Flight test data from hundreds of sorties are analyzed using generalized extreme value distribution.Confidence levels are verified via Kolmogorov-Smirnov(K-S)hypothesis testing.Then probability density function of max Δλ is established.The false alarm rate is calculated through cumulative probability values of max Δλ at varying thresholds.Boundary conditions for false alarm rate are determined by safety assessment and dispatch reliability analysis.The derived monitoring threshold is verified against finite element analysis predictions and iron bird rig test.The results confirm the methodology's validity,meeting all design objectives.关键词
襟翼/倾斜探测/极值分布/假设检验/虚警率Key words
flap/skew detection/extreme distribution/hypothesis test/false alarm rate分类
信息技术与安全科学引用本文复制引用
田金强,童明波,薛瀛..一种高鲁棒性襟翼倾斜探测监控器设计[J].南京航空航天大学学报（英文版）,2026,43(1):73-84,12.
