翼尖铰接组合式飞行器多飞行构型下协调机动操纵性分析

doi:10.7527/S1000-6893.2025.31026

Abstract

Abstract:

To study the coordinated maneuverability of the wingtip-docking compound aircraft， this paper explores the changes in maneuverability from the perspectives of unit aircraft connection number and configuration. A Computational Fluid Dynamics （CFD） method is used to establish an aerodynamic database for the compound aircraft. This data is then employed to develop a dynamic model of the wingtip-hinged chain-like combined aircraft， based on a quasi-coordinate form of the Lagrange multi-body dynamics. The control inputs required for trimming in various configurations have been calculated. Next， the concept of an attitude equivalent body is proposed and its reasonableness as a reference standard for maneuverability explained. Finally， an optimization problem is constructed to evaluate the maximum attainable equivalent acceleration in the longitudinal， lateral， and yaw axes for combinations consisting of 2/3/4/5 unit aircraft in three configurations. The study identifies characteristic changes， explains the reasons， and provides a theoretical basis for configuration selection and control law design.

Key words: flight mechanics, compound aircraft, maneuverability, reconfigurable aircraft, reachable set, optimization

CLC Number:

V212.1

Entong ZHU, Zhou ZHOU, Rui WANG, Han WANG, Guichen WANG. Coordinated maneuverability analysis of wingtip-docking compound aircraft in multiple flight configurations[J]. Acta Aeronautica et Astronautica Sinica, 2025, 46(14): 231026.

Figures/Tables 18

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References 24

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参数	数值
质量/kg	0.75
X轴主惯性矩/（kg·m²）	0.023
Y轴主惯性矩/（kg·m²）	0.027
Z轴主惯性矩/（kg·m²）	0.05
X-Z轴惯性积/（kg·m²）	0.006
机翼面积/m²	0.32
襟副翼升力操纵系数	1.01
升降舵力矩操纵系数	1.2

连接数量/气动力系数	升力系数C_L₁	升力系数C_L₂	升力系数C_L₃	俯仰力矩系数C_m₁	俯仰力矩系数C_m₂	俯仰力矩系数C_m₃	滚转力矩系数C_l₁	滚转力矩系数C_l₂	滚转力矩系数C_l₃	升力线斜率C_La₁	升力线斜率C_La₂	升力线斜率C_La₃
二机	0.869 5			-0.048 7			-0.023 9			4.821
三机	0.877 2	0.961 1		-0.051 0	-0.051 7		-0.024 8	0		4.853	5.186
四机	0.882 8	0.972 7		-0.051 6	-0.056 6		-0.025 1	-0.000 8		4.872	5.210
五机	0.885 1	0.976 5	0.982 0	-0.052 0	-0.0574	-0.056 6	-0.025 2	-0.001 0	0	4.876	5.218	5.230

连接数量/构型	“一”构型	上“V”构型	下“V”构型	“W”构型
二机
三机
四机
五机

Coordinated maneuverability analysis of wingtip-docking compound aircraft in multiple flight configurations

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