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Coordinated maneuverability analysis of wingtip-docking compound aircraft in multiple flight configurations
Received date: 2024-08-02
Revised date: 2024-09-20
Accepted date: 2025-01-10
Online published: 2025-02-06
Supported by
Natural Science Basic Research Program of Shannxi(2023-JC-YB-010)
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.
Entong ZHU , Zhou ZHOU , Rui WANG , Han WANG , Guichen WANG . Coordinated maneuverability analysis of wingtip-docking compound aircraft in multiple flight configurations[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2025 , 46(14) : 231026 -231026 . DOI: 10.7527/S1000-6893.2025.31026
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