改善旋翼飞行体气动力参数的正交试验优化设计

系统仿真学报 ›› 2016, Vol. 28 ›› Issue (3): 668-675.

改善旋翼飞行体气动力参数的正交试验优化设计

于雅楠

天津职业技术师范大学信息技术工程学院,天津 300222

收稿日期:2014-10-23 修回日期:2015-01-04 发布日期:2020-07-02
作者简介:于雅楠(1984-),女,天津,博士,讲师,研究方向为精密检测技术,光电探测技术,计算机控制,计算机视觉。
基金资助:
天津市教委科研计划项目(20130404);天津职业技术师范大学校级重点预研项目(KJY1303);天津职业技术师范大学校级重点预研项目(KYQD13001)

Orthogonal Experimental Optimization Design for Improving Aerodynamic Characteristics of Hovering Air Vehicle

Yu Yanan

School of Information Technology and Engineering, Tianjin University of Technology and Education, Tianjin 300222, China

Received:2014-10-23 Revised:2015-01-04 Published:2020-07-02

摘要/Abstract

摘要： 提出了一种柔性气囊环括式微型旋翼飞行体结构设计,利用气动外形的被动自适应变形吸收气体压力载荷对机体产生的扰动作用,改善飞行体的抗气流扰动能力。分析了各个结构参数、制造材料以及环境条件对于飞行体模型在阵风下产生的气动力参数的影响,完成了机体在水平方向和垂直方向受力的正交试验分析,讨论了影响飞行性能最显著的因素,找到在参数取值范围内的最佳响应结果,优化了设计参数之间的组合方式。分析结果表明,通过优化飞行体结构设计参数和材料特性,可以明显改善飞行体在阵风扰动下的飞行性能,产生有助于平稳飞行的气动力参数,提高飞行体的抗扰动能力。

关键词: 微型飞行器, 柔性气动布局, 气动弹性, 正交试验设计, 有限元分析

Abstract: Vertical hovering MAV model with flexible aerodynamic shape was proposed. The passive adaptive deformation that produced on the aerodynamic shape was designed to absorb disturbance from outside airflow pressure, and furthermore to improve aircraft's disturbance resistance ability. Multiple factors' effects for aircraft's aerodynamic characteristics were analyzed, such as structural geometrical parameters, candidate material properties, and environmental parameters. The orthogonal experimental analysis of aircraft aerodynamic forces was accomplished, which include the forces produced in the horizontal and vertical direction. The significant factors effecting on the flight performance were discussed and the best response value in the selected parameter range was found out. Optimum combination of design parameters was optimized. The results show that under the gust the disturbance resistance ability of designed model can be improved through parameters optimization, and aerodynamic characteristics can be produced to realize smooth flight and enhance aircraft's disturbance resistance ability.

Key words: micro air vehicle (MAV), flexible aerodynamic shape, aeroelasticity, orthogonal experimental design (OED), finite element analysis (FEA)

中图分类号:

V221.3

于雅楠. 改善旋翼飞行体气动力参数的正交试验优化设计[J]. 系统仿真学报, 2016, 28(3): 668-675.

Yu Yanan. Orthogonal Experimental Optimization Design for Improving Aerodynamic Characteristics of Hovering Air Vehicle[J]. Journal of System Simulation, 2016, 28(3): 668-675.

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