摘要
无人作战飞机(UCAV)可投放区解算的实时性和精确性直接制约着UCAV自主攻击水平。针对传统可投放区求解过程中存在求解速度慢、实用性受限等缺点,提出了一种基于并行混沌模式搜索(PCGPS)策略的快速算法。该算法综合了并行混沌搜索算法的全局最优搜索能力和广义模式搜索算法的局部精确搜索能力,将混沌变量映射到可投放区边界范围内,并利用并行混沌搜索算法搜索初步最优值作为广义模式搜索的初值,再利用广义模式搜索算法进行局部精确搜索,得到全局最优可投放区边界值。在此基础上,研究了UCAV投弹方式、投弹速度和投弹高度对可投放区边界的影响。数字仿真表明,该算法搜索精度高、速度快,具有快速解算自主攻击可投放区能力。
The real-time and accuracy of calculating on unmanned combat aerial vehicle （ UCAV ） release re- gion constraints the auto-attack level of UCAV. To setde the weakness for calculation accuracy and efficiency of re- lease region, a rapid algorithm based on parallel chaotic generalized pattern search（PCGPS） strategy is proposed. The algorithm synthesizes global optimum ability of parallel chaotic search and local exact ability of generalized pat- tern search, maps chaotic variable to range of release region, the search results of parallel chaotic search provide an effective initial point for generalized pattern search, then utilize generalized pattern search carrying on local exactly search to get the global optimum boundary of release region. Bomb-dropping style, bomb-dropping speed and bomb- dropping height effect on release region boundary based on this algorithm are researched. Numerical simulation re- suits show that the algorithm is faster and more accuracy than traditional algorithm and possesses rapid release re- gion calculating ability for UCAV auto-attack.
出处
《科学技术与工程》
北大核心
2013年第28期8360-8365,8379,共7页
Science Technology and Engineering
基金
航空科学基金(20105196016)资助
