编队接近非合作目标PSO多脉冲制导方法

Formation proximity of GEO non-cooperative target based on PSO multiple impulses guidance law

为解决地球静止轨道(GEO)非合作目标远距离自主接近中的双视线导航约束以及制导精度问题,提出了一种双星编队接近的粒子群优化(PSO)多脉冲制导方法,该方法将C-W双脉冲制导律转化为带中途修正的多脉冲制导律,然后将时间固定的多脉冲燃料消耗最优问题转化为带双视线夹角约束和制导精度约束的多目标优化问题,接着将带约束的多目标优化问题转化为PSO规划问题并给出规划算法.通过在不同条件下的对比仿真验证结果表明,该方法能够有效的完成对非合作目标远距离的制导.

To improve the guidance precision of far range autonomous proximity of non-cooperative target under double line-of-sights（ LOS） navigation in geostationary orbit（ GEO）,a formation proximity method is proposed by using particle swarm optimization（ PSO） multiple impulses guidance law. More specifically,this method transforms the two impulses C- W guidance law into multiple impulses C- W guidance law with mid-correction. Then,the multiple impulses of fixed-time fuel optimal problem is presented under the constraints,and a PSO algorithm with two fitness functions is introduced to solve the multi-objective optimization problem with constraints of guidance precision and double LOS. Numerical simulations are studied to verify effectiveness and feasibility of the PSO algorithm of multiple impulses guidance under different conditions.