Advanced Search
Volume 32 Issue 04
Apr.  2006
Turn off MathJax
Article Contents
Abstract
References
Journal of Beijing University of Aeronautics and Astronautics  > 2006  >  32(04): 391-394.
Chen Haitao, Bian Enrong. New algorithm of processing multi occultation and its application in infrared radiation calculation of military helicopter[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(04): 391-394. (in Chinese)
Citation: Chen Haitao, Bian Enrong. New algorithm of processing multi occultation and its application in infrared radiation calculation of military helicopter[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(04): 391-394. (in Chinese)
shu

New algorithm of processing multi occultation and its application in infrared radiation calculation of military helicopter

  • 1.

    School of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

  • 2. School of Aeronautics and Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

  • Received Date: 11 Apr 2005
  • Publish Date: 30 Apr 2006
    Abstract
  • To solve the problem of calculating visible net area under any direction in infrared radiation calculation for military helicopter, a new algorithm based on stochastic simulation was proposed. By using surface modeling method, the helicopter's three-dimensional model was constructed and discretilized into quad surface elements. The mathematic model for helicopter was represented with the winged-edge structure. Visibility test, depth test and shelter test were applied to find out all the other polygons that have occultation relationship with the researched spatial polygon, then put them into a set. The statistics method of random variable was introduced subsequently to calculate the net area of this polygon. The calculation results of certain military helicopter and simple object show that the percentage error for simple object can be controlled within 5%, and for complex object can meet the engineering requirement by controlling the total polygons and random points reasonably. The algorithm has been used successfully in the calculation software of military helicopter 's infrared radiation. Applications show that the algorithm is stable, reliable and suitable for engineering analyses.

     

    • FullText(HTML)
    • References(1)
  • [1] 武振波,武 哲. 武装直升机红外隐身系统研究[J]. 北京航空航天大学学报,2003,29(7):588~592 Wu Zhenbo, Wu Zhe. Research on infrared stealth system for armed helicopter[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(7):588~592(in Chinese) [2] Surzhikov S T. The use of Monte Carlo simulation methods to calculate the radiation of jets of combustion products in view of rotational spectral structure[J]. Heat and Mass Transfer and Physical Gasdynamics, 2003, 41(5):695~697 [3] Nelson H F. Backward Monte Carlo modeling for rocket plume base heating [J]. Journal of Thermophysics and Heat Transfer, 1992, 6(3):556~558 [4] 邓永录, 梁之舜. 随机点过程及其应用[M]. 北京:科学出版社, 1992.12~16 Deng Yonglu,Liang Zhishun. Random point process and its applications[M]. Beijing:Science Press, 1992. 12~16 (in Chinese) [5] Pantazopoulos I,Tzafestas S. Occlusion culling algorithms:a comprehensive survey[J]. Journal of Intelligent and Robotic Systems, 2002, 35:130~133 [6] 周建江,舒永泽. 简单形体目标电磁遮挡算法研究[J]. 南京航空航天大学学报,1995,27(1):97~101 Zhou Jianjiang,Shu Yongze. Research on electromagnetic shadowing algorithm of simple targets[J]. Journal of Nanjing University of Aeronautics and Astronautics, 1995, 27(1):97~101(in Chinese)
    • Relative Articles

  • Relative Articles

    [1]GUO J F，ZHANG Z H. Track obscured vehicles by fusing full-scale features with trajectory correction[J]. Journal of Beijing University of Aeronautics and Astronautics，2025，51（5）：1608-1619 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2023.0288.
    [2]CHEN X，FENG S Q，HAO Z B，et al. Model box test study on loess site subjected to large helicopter loads[J]. Journal of Beijing University of Aeronautics and Astronautics，2024，50（12）：3739-3746 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2022.0942.
    [3]WANG Luofeng, CHEN Renliang, ZHAO Yu. Fuzzy anti-swing controller for improving handling quality of helicopter slung load operation[J]. Journal of Beijing University of Aeronautics and Astronautics. doi: 10.13700/j.bh.1001-5965.2024.0265
    [4]LI H H，HAN Y H. Robust anti-swing technology for helicopter slung load based on wave control[J]. Journal of Beijing University of Aeronautics and Astronautics，2024，50（5）：1629-1638 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2022.0326.
    [5]YAN Kun, ZHAO Jin-ze, CHEN Chao-bo, GAO Song, CAO Kai. Neural network-based fault tolerant control for unmanned helicopter with multiple actuator faults[J]. Journal of Beijing University of Aeronautics and Astronautics. doi: 10.13700/j.bh.1001-5965.2023.0699
    [6]LYU Yuzhu. Study on Flight Characteristics and Speed Limit of Helicopter with Slung Load[J]. Journal of Beijing University of Aeronautics and Astronautics. doi: 10.13700/j.bh.1001-5965.2024.0563
    [7]TAN J F，YANG Y X，ZHANG W G，et al. Influence of crosswind on helicopter brownout[J]. Journal of Beijing University of Aeronautics and Astronautics，2024，50（10）：3111-3122 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2022.0794.
    [8]JIN Z B，LI D C，SUN Y，et al. Man-machine cooperative control of helicopter and flight experimental validation[J]. Journal of Beijing University of Aeronautics and Astronautics，2023，49（11）：3022-3030 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2022.0038.
    [9]DENG B H，XU J F. Active disturbance rejection control of attitude of compound unmanned helicopter[J]. Journal of Beijing University of Aeronautics and Astronautics，2023，49（11）：3100-3107 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2021.0788.
    [10]XING Xiao-bing, TAN Jian-feng, YANG Yu-xiao, YONG Tian, YU Ling-jun, WU Rui. An efficient analysis method of helicopter fuselage bullet damage based on bullet penetration theory[J]. Journal of Beijing University of Aeronautics and Astronautics. doi: 10.13700/j.bh.1001-5965.2023.0450
    [11]SU D C，WANG Z Z，WU L H，et al. Flight characteristics of coaxial-rigid-rotor helicopter during deck landing[J]. Journal of Beijing University of Aeronautics and Astronautics，2023，49（4）：832-841 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2021.0358.
    [12]YANG K L，HAN D. Influence of rotor/wing aerodynamic interference on performance of compound helicopters[J]. Journal of Beijing University of Aeronautics and Astronautics，2023，49（7）：1761-1771 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2021.0561.
    [13]TAN J F，HAN S，WANG C，et al. Accelerated computational method of helicopter brownout based on DEM[J]. Journal of Beijing University of Aeronautics and Astronautics，2023，49（6）：1352-1361 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2021.0450.
    [14]DUAN B，YANG S，LI A J. Design of LPV control law for unmanned helicopter[J]. Journal of Beijing University of Aeronautics and Astronautics，2023，49（4）：879-890 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2021.0340.
    [15]LI Y L，CHENG D Q，LI J H，et al. Cross-domain person re-identification based on progressive attention and block occlusion[J]. Journal of Beijing University of Aeronautics and Astronautics，2023，49（11）：3167-3176 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2022.0025.
    [16]ZHANG B H，CHAI D D，MENG L B，et al. Anti-occlusion target tracking algorithm of UAV based on multiple detection[J]. Journal of Beijing University of Aeronautics and Astronautics，2023，49（9）：2442-2454 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2021.0693.
    [17]ZHANG N，CHENG D Q，KOU Q Q，et al. Person re-identification based on random occlusion and multi-granularity feature fusion[J]. Journal of Beijing University of Aeronautics and Astronautics，2023，49（12）：3511-3519 （in Chinese）. doi: 10.13700/j.bh.1001-5965.2022.0091.
    [18]BAI Wentao, LIU Guotian, ZOU Bo, WANG Chenchen, CHEN Guanghao, FENG Shiyu. Performance comparison of helicopter inerting system under different temperature control modes[J]. Journal of Beijing University of Aeronautics and Astronautics, 2022, 48(10): 2040-2047. doi: 10.13700/j.bh.1001-5965.2021.0073
    [19]LIU Yaosheng, LIAO Yurong, LIN Cunbao, LI Zhaoming, YANG Xinyan. Feature-fusion and anti-occlusion based target tracking method for satellite videos[J]. Journal of Beijing University of Aeronautics and Astronautics, 2022, 48(12): 2537-2547. doi: 10.13700/j.bh.1001-5965.2021.0150
    [20]XIE Xiangying, LAI Guangzhi, NA Zhixiong, LUO Xin, WANG Dong. Occlusion recognition algorithm based on multi-resolution feature auto-selection[J]. Journal of Beijing University of Aeronautics and Astronautics, 2022, 48(7): 1154-1163. doi: 10.13700/j.bh.1001-5965.2021.0289
    • Supplements(0)
    • Cited By
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索
    Get Citation
    PDF
    XML

    Article Metrics

    Article views(3431) PDF downloads(729) Cited by()
    Proportional views
    Related

    Copyright © Journal of Beijing University of Aeronautics and Astronautics

    Address: Editorial Department of Journal of Beijing University of Aeronautics and Astronautics, 37 Xueyuan Road, Haidian District, Beijing Post Code: 100191 Email: jbuaa@buaa.edu.cn

    Supported by: Beijing Renhe Information Technology Co., Ltd.    

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return