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三维重建的飞机机动动作库设计与可视化

苏光旭 张登成 魏金鹏 李海泉 张艳华 雷玉昌

苏光旭, 张登成, 魏金鹏, 等 . 三维重建的飞机机动动作库设计与可视化[J]. 北京航空航天大学学报, 2021, 47(6): 1277-1287. doi: 10.13700/j.bh.1001-5965.2020.0160
引用本文: 苏光旭, 张登成, 魏金鹏, 等 . 三维重建的飞机机动动作库设计与可视化[J]. 北京航空航天大学学报, 2021, 47(6): 1277-1287. doi: 10.13700/j.bh.1001-5965.2020.0160
SU Guangxu, ZHANG Dengcheng, WEI Jinpeng, et al. Design and visualization of 3D reconstruction of aircraft maneuver movements library[J]. Journal of Beijing University of Aeronautics and Astronautics, 2021, 47(6): 1277-1287. doi: 10.13700/j.bh.1001-5965.2020.0160(in Chinese)
Citation: SU Guangxu, ZHANG Dengcheng, WEI Jinpeng, et al. Design and visualization of 3D reconstruction of aircraft maneuver movements library[J]. Journal of Beijing University of Aeronautics and Astronautics, 2021, 47(6): 1277-1287. doi: 10.13700/j.bh.1001-5965.2020.0160(in Chinese)

三维重建的飞机机动动作库设计与可视化

doi: 10.13700/j.bh.1001-5965.2020.0160
详细信息
    通讯作者:

    张登成, E-mail: dengcheng_zhang@163.com

  • 中图分类号: V212.13+5

Design and visualization of 3D reconstruction of aircraft maneuver movements library

More Information
  • 摘要:

    机动动作库是飞机空战仿真的重要基础,可靠的、具有针对性的机动动作库能够提高空战仿真的真实性和应用价值。为了建立具有针对性的机动动作库,提出了一种通过三维逆向建模进行气动特性计算再建立飞机机动动作库的技术途径,对气动参数未知飞机的空战仿真问题提供了技术支撑。首先,对飞机的几何外形进行了三维重建,计算分析了其纵向气动特性;然后,将气动数据加入飞行仿真的限制环节,设计了针对该型飞机典型战术动作的机动动作库;最后,基于MATLAB函数进行了机动动作的可视化研究。研究结果表明:机动动作库体现了对于飞机类型的针对性和可靠性,可视化实现了飞行轨迹和飞机姿态的三维显示及参数游标,为空战决策、空战仿真模拟训练和提高作战效能奠定了基础。

     

  • 图 1  飞机照片逆透视变换

    Figure 1.  Inverse perspective conversion in airplane photos

    图 2  花瓶的三维重建及误差分析

    Figure 2.  Three-dimensional reconstruction and error analysis of vase

    图 3  飞机机头锥的重建过程

    Figure 3.  Reconstruction process of aircraft nose cones

    图 4  整机线框模型与渲染效果

    Figure 4.  Machine wireframe model and rendering effect

    图 5  网格划分

    Figure 5.  Mesh generation

    图 6  不同网格数的网格划分

    Figure 6.  Mesh generation with different mesh quantities

    图 7  模型算例验证

    Figure 7.  Verification of model examples

    图 8  飞机纵向气动特性

    Figure 8.  Longitudinal aerodynamic characteristics of aircraft

    图 9  机动动作库设计流程

    Figure 9.  Maneuver movements library design process

    图 10  小角度俯冲理论控制模型

    Figure 10.  Small-angle diving theory control model

    图 11  小角度俯冲可用控制量随时间变化

    Figure 11.  Variation of controllable small-angle diving with time

    图 12  限制环节修正流程

    Figure 12.  Limit link correction process

    图 13  模型初始化

    Figure 13.  Model initialization

    图 14  部分机动动作可视化演示

    Figure 14.  Visual demonstration of partial maneuver movements

    图 15  参数游标演示

    Figure 15.  Parameter cursor demonstration

    表  1  不同网格数下升力系数和阻力系数计算结果

    Table  1.   Calculation results of lift coefficient and drag coefficient with different mesh quantities

    网格分类 网格数/104 CL CD
    粗网格 483 5.241 4×10-1 7.591 9×10-2
    中网格 922 5.235 6×10-1 7.612 7×10-2
    细网格 1 473 5.224 3×10-1 7.754 8×10-2
    方差 5.041 5×10-7 5.240 1×10-7
    下载: 导出CSV
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  • 收稿日期:  2020-04-23
  • 录用日期:  2020-06-13
  • 刊出日期:  2021-06-20

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