Aerodynamic Control Coupling Optimization Design Method for High-Speed Vehicles

被引：0

作者：

Dong, Chao ^{[1
]}

Pan, Xin ^{[2
,3
]}

Jiang, Lulu ^{[2
,3
]}

Chen, Gang ^{[2
,3
]}

机构：

[1] Beijing Institute of Space Long March Vehicle, Beijing

[2] State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an Jiaotong University, Xi'an

[3] Shannxi Key Laboratory for Environment and Control of Flight Vehicle, Xi'an Jiaotong University, Xi'an

来源：

Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University | 2024年 / 58卷 / 08期

关键词：

aerodynamic control coupling; multidisciplinary design optimization; shape design; supersonic vehicle;

D O I：

10.7652/xjtuxb202408020

中图分类号：

学科分类号：

摘要：

Due to the complexity of the mathematical models of aerodynamics and control, it is a challenge inherent in the traditional serial design process to fully account for their multi-objective optimization. To address the challenge, a method for aerodynamic control coupling optimization tailored to high-speed vehicles is proposed. Leveraging the surrogate-based optimization (SBO) algorithm, this approach integrates the principles of active control technology (ACT) with multidisciplinary design optimization (MDO) techniques to establish an aerodynamic control coupling multi-objective optimization process for high-speed vehicles. Under Mach 2 flow conditions, aerodynamic control coupling optimization studies are conducted on a double-cone model equipped with control surfaces to enhance the aerodynamic performance and control capability of the vehicles. The results reveal that after aerodynamic control coupling optimization, the optimal model demonstrates a 0.401% increase in lift coefficient and a 2.999% improvement in lift-to-drag ratio in the supersonic environment. Additionally, there is a reduction of 2.769% in overshoot and 0.655% in control gain. These enhancements in aerodynamic performance and control capability affirm the viability of the coupling strategy. Furthermore, the optimal model streamlines subsequent control system design, thereby enhancing overall vehicle design efficiency. The aerodynamic/control coupling optimization design method proposed in this paper serves as crucial technical support for the advanced design of high-speed vehicles. © 2024 Xi'an Jiaotong University. All rights reserved.

引用

页码：196 / 204

页数：8

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