朱琪潇1,2,3, 黄研昕4, 朱锐1,2,3, 杭晓晨1,2,5, 费庆国1,2,3(
)
收稿日期:2025-07-03
修回日期:2025-08-13
接受日期:2025-09-08
出版日期:2025-09-19
发布日期:2025-09-18
通讯作者:
费庆国
E-mail:qgfei@seu.edu.cn
基金资助:
Qixiao ZHU1,2,3, Yanxin HUANG4, Rui ZHU1,2,3, Xiaochen HANG1,2,5, Qingguo FEI1,2,3(
)
Received:2025-07-03
Revised:2025-08-13
Accepted:2025-09-08
Online:2025-09-19
Published:2025-09-18
Contact:
Qingguo FEI
E-mail:qgfei@seu.edu.cn
Supported by:摘要:
飞行器在服役时面临着复杂的动载荷环境,其测量成本较高且难以通过直接测量的方式获取。基于动响应信息来识别动载荷已成为获取结构输入的可行方案。从“认知、测量、识别”3方面系统性对飞行器动载荷识别问题进行整理。首先,分析了飞行器机翼、尾翼、舵面、机身、起落架典型位置处的载荷特征,为后续的响应测量技术选取和动载荷识别方法确定提供必要的先验信息。其次,总结了飞行器结构响应的主要测量技术、应用场景及其优缺点。然后,回顾了飞行器动载荷识别方法的研究进展。最后,探讨了飞行器结构动载荷特征、测量及识别领域面临的主要挑战及未来发展趋势。
中图分类号:
朱琪潇, 黄研昕, 朱锐, 杭晓晨, 费庆国. 飞行器结构动载荷特征、测量及识别技术研究进展[J]. 航空学报, 2026, 47(5): 232510.
Qixiao ZHU, Yanxin HUANG, Rui ZHU, Xiaochen HANG, Qingguo FEI. Research progress on dynamic load characteristics, measurement and identification technology of aircraft structure[J]. Acta Aeronautica et Astronautica Sinica, 2026, 47(5): 232510.
表2
飞行器结构动载荷识别方法
| 部位 | 主要问题 | 方法 | 局限性 | |
|---|---|---|---|---|
| 机翼 | 分布式载荷识别 阵风形状参数化建模 结构不确定性 | 基函数拟合等 随机优化法等 概率模型、非概率模型等 | 数据需求量大;先验假设强,高维计算复杂 迭代过程耗时 受限于不确定性较高的问题 | |
| 尾翼 | 抖振载荷 载荷空间分布未知 载荷作用位置未知 翼根弯矩难以测量 | POD降维建模等 逐点频域识别法等 伪载荷等效法等 建立多元线性回归方程等 | 数据需求量大、参数选取复杂等 依赖于结构区域划分 需预先分析载荷频宽等特性 需大量试验标定、回归模型泛化能力有限 | |
| 舵 | 结构不确定性 铰链力矩实测与力纷争影响 | 概率模型、非概率模型等 建立载荷应变方程等 | 受限于不确定性较高的问题 需大量试验标定 | |
| 机身 | 肩部随机脉动压力 结构不确定性 多场耦合 | 等效集中载荷等 概率模型、非概率模型等 非线性规划求解等 | 等效假设忽略局部细节,精度较低 受限于不确定性较高的问题 易陷入局部最优 | |
| 起落架 | 三向载荷交互耦合 | 多元线性回归法、高斯过程回归等 | 回归模型泛化能力有限 | |
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