仿蝗虫后足内埋导弹弹射装置设计与优化

蔡云龙; 杨哩娜; 权亮; 杨宝生; 任若愚

doi:10.12382/bgxb.2024.0180

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仿蝗虫后足内埋导弹弹射装置设计与优化

更新时间：2025-08-18

- 仿蝗虫后足内埋导弹弹射装置设计与优化
- Design and Optimization of Locust-hindfoot-inspired Embedded Missile Ejection Device
- 兵工学报 2024年45卷第11期页码：3983-3997
- 作者机构：
  
  北京理工大学宇航学院, 北京 100081
- 作者简介：
  
  *邮箱: yangln@bit.edu.cn
- 基金信息：
- DOI：10.12382/bgxb.2024.0180
  中图分类号：
- 收稿：2024-03-12，
  
  网络出版：2024-11-26，
  
  纸质出版：2024-11-30
- 稿件说明：
移动端阅览
蔡云龙, 杨哩娜, 权亮, 等. 仿蝗虫后足内埋导弹弹射装置设计与优化[J]. 兵工学报, 2024,45(11):3983-3997.

Yunlong CAI, Lina YANG, Liang QUAN, et al. Design and Optimization of Locust-hindfoot-inspired Embedded Missile Ejection Device[J]. Acta Armamentarii, 2024, 45(11): 3983-3997.
蔡云龙, 杨哩娜, 权亮, 等. 仿蝗虫后足内埋导弹弹射装置设计与优化[J]. 兵工学报, 2024,45(11):3983-3997. DOI： 10.12382/bgxb.2024.0180.

Yunlong CAI, Lina YANG, Liang QUAN, et al. Design and Optimization of Locust-hindfoot-inspired Embedded Missile Ejection Device[J]. Acta Armamentarii, 2024, 45(11): 3983-3997. DOI： 10.12382/bgxb.2024.0180.

摘要

受蝗虫跳跃生物力学机理启发

设计一种具有关节扭簧和双梯形结构特征的弹射装置

具备在低推力需求下实现大弹射行程的能力

同时在导弹分离时使其保有初始低头角速度和角度的特征。通过参数化模型结合Kriging代理模型优化方法

优化得到高效的机构布局参数;基于刚柔耦合动力学模型研究发射过程中臂杆柔性效应对导弹弹射分离参数的影响;基于计算流体动力学分析弹-机分离过程。研究结果表明:基于参数化模型和Kriging代理模型优化方法能够快速获取满足设计要求的机构参数;弹射过程中

臂杆的柔性变形会导致实际分离参数与理想设计参数之间存在差异

细节优化设计时柔性效应不能被忽略

且需考虑增加结构刚度以减小设计偏差;给出的设计实例能够满足设计指标且弹-机能够安全分离

证明了新设计的有效性。

Abstract

Inspired by the biomechanical mechanism of locust jumping

an ejection device with joint torsion spring and double trapezoidal structure is designed

which has the ability to achieve large ejection stroke for low thrust demand and keeps the characteristics of initial bow angular velocity and angle during missile separation. The efficient mechanism layout parameters are optimized by the optimization methods based on parameterized models and Kriging surrogate models. The influence of arm flexibility effect on missile ejection separation parameters during launch is studied based on a rigid-flexible coupling dynamic model. The projectile-machine

separation process is investigated based on computational fluid dynamics. The research results indicate that the optimization method based on parameterized models and Kriging surrogate models can be used to quickly obtain the mechanism parameters that meet the design requirements. In the process of ejection

the flexible deformation of middle arm will lead to the difference between the actual separation parameters and the ideal design parameters. The flexible effect cannot be ignored in the detail optimization design

and the structural stiffness should be increased to reduce the design deviation. The given design example can meet the design criteria and the missile can be safely separated

proving the effectiveness of the new design in this paper.

关键词

Keywords

references

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