弹道学报
彈道學報
탄도학보
JOURNAL OF BALLISTICS
2015年
1期
7-11
,共5页
邵雷%雷虎民%张建新%赵宗宝
邵雷%雷虎民%張建新%趙宗寶
소뢰%뢰호민%장건신%조종보
弹道优化%多重打靶算法%微粒群算法%多目标优化
彈道優化%多重打靶算法%微粒群算法%多目標優化
탄도우화%다중타파산법%미립군산법%다목표우화
trajectory optimization%multiple shooting algorithm%particle swarm optimization%multi-objective optimization
为使拦截武器有效拦截目标,将直接多重打靶算法与微粒群算法相结合,设计了一种基于微粒群算法的中制导弹道优化算法。该算法借鉴直接多重打靶算法基本思想,将状态空间与参数空间分别进行分解与分段,并在此基础上结合中制导末端条件构建性能指标函数,将弹道优化问题转化为多目标优化问题;基于对指标函数之间依赖性的分析,在求解过程中将多目标优化分解为参数层和指标层优化两部分,采用微粒群算法对其进行分层优化求解。仿真研究表明,该优化算法能够对弹道进行有效优化。
為使攔截武器有效攔截目標,將直接多重打靶算法與微粒群算法相結閤,設計瞭一種基于微粒群算法的中製導彈道優化算法。該算法藉鑒直接多重打靶算法基本思想,將狀態空間與參數空間分彆進行分解與分段,併在此基礎上結閤中製導末耑條件構建性能指標函數,將彈道優化問題轉化為多目標優化問題;基于對指標函數之間依賴性的分析,在求解過程中將多目標優化分解為參數層和指標層優化兩部分,採用微粒群算法對其進行分層優化求解。倣真研究錶明,該優化算法能夠對彈道進行有效優化。
위사란절무기유효란절목표,장직접다중타파산법여미립군산법상결합,설계료일충기우미립군산법적중제도탄도우화산법。해산법차감직접다중타파산법기본사상,장상태공간여삼수공간분별진행분해여분단,병재차기출상결합중제도말단조건구건성능지표함수,장탄도우화문제전화위다목표우화문제;기우대지표함수지간의뢰성적분석,재구해과정중장다목표우화분해위삼수층화지표층우화량부분,채용미립군산법대기진행분층우화구해。방진연구표명,해우화산법능구대탄도진행유효우화。
To achieve the maximum kill probability in the target interception,the multiple shooting algorithm and the particle swarm optimization were combined,and a particle swarm optimization (PSO ) algorithm was presented based on optimization algorithm of midcourse guidance trajectory.According to the idea of the multiple shooting algorithm,the proposed algorithm trans-formed the trajectory optimization to a multi-objective optimization problem by means of state space decomposition and endpoint constrain based on performance index.The multi-objective opti-mization problem was transformed to the optimization of parameter and performance index by an-alyzing the reliability between the two,and the PSO was employed to deal with the problem.The simulation result shows that the trajectory can be effectively optimized by the proposed algo-rithm.