1 简介
2 部分代码
clc; clear; close all; model =CreateModel(); tic; plotmap(model); global_chromosome =Muti_Uav_Ga(model); toc; function [ cost,sol,costs ] = FitnessFunction( chromosome,model ) %UNTITLED2 Summary of this function goes here改进:用局部极值来进行交叉操作 % Detailed explanation goes here for uav=1:model.UAV x= zeros(1,model.dim); y= zeros(1,model.dim); z = zeros(1,model.dim); %取第uav个航路的坐标 for i=1:model.dim x(i) = chromosome.pos(i,1,uav); y(i) = chromosome.pos(i,2,uav); z(i) = chromosome.pos(i,3,uav); end sx = model.sx(uav); sy = model.sy(uav); sz = model.sz(uav); ex = model.endp(1); ey =model.endp(2); ez=model.endp(3); xobs = model.xobs; yobs = model.yobs; zobs = model.zobs; robs = model.robs; XS=[sx x ex]; YS=[sy y ey]; ZS=[sz z ez]; k =numel(XS); TP =linspace(0,1,k); tt =linspace(0,1,50); xx =[]; yy =[]; zz=[]; for i=1:k-1 %每一段向量分成10个点 x_r = linspace(XS(i),XS(i+1),10); y_r= linspace(YS(i),YS(i+1),10); z_r =linspace(ZS(i),ZS(i+1),10); xx = [xx,x_r]; yy = [yy,y_r]; zz =[zz ,z_r]; end %calc L dx =diff(xx); dy =diff(yy); dz = diff(zz); Length = sum(sqrt(dx.^2+dy.^2+dz.^2)); nobs = numel(xobs); violation=0; for i=1:nobs d = sqrt( (xx-xobs(i)).^2+(yy-yobs(i)).^2 ); v = max(1-d/robs(i),0); violation = violation + mean(v); end sol(uav).TP=TP; sol(uav).XS =XS; sol(uav).YS=YS; sol(uav).ZS=ZS; sol(uav).tt=tt; sol(uav).xx=xx; sol(uav).yy=yy; sol(uav).zz=zz; sol(uav).dx=dx; sol(uav).dy=dy; sol(uav).dz=dz; sol(uav).Length=Length; sol(uav).violation=violation; sol(uav).IsFeasible=(violation==0); %计算协调适应值 % 3、飞行高度限制 high=0; for k=1:numel(XS) x=XS(k); y=YS(k); h=terrain(x,y); if ZS(k)<=(h+10) %限制飞行最低高度 high=high+10000; elseif ZS(k)>375 %限制飞行最高高度 high=high+10000; else high=high+abs(ZS(k)-287); %计算与理想高度差距和 end end %z w1 =0.03; w2=0.3; w3=0.1; w4=0.2; %markov evaluatea %获取所有维度的坐标 r_xx=[];r_yy=[];r_zz=[]; for i=2:numel(XS)-2 %每一段向量分成10个点 r_x = linspace(XS(i),XS(i+1),3); r_y= linspace(YS(i),YS(i+1),3); r_z =linspace(ZS(i),ZS(i+1),3); r_xx = [r_xx,r_x]; r_yy = [r_yy,r_y]; r_zz =[r_zz ,r_z]; end Allpos = [r_xx',r_yy',r_zz']; [stateProbabilityProcess, expectedCostProcess]=MarkovEvaluate(Allpos,model); sol(uav).MarkovState = stateProbabilityProcess; sol(uav).MarkovCost = expectedCostProcess; sol(uav).costs=[w1*Length,w3*high,w4*mean(expectedCostProcess)*1000]; single_cost(uav)= w1*Length +w3*high+w4*mean(expectedCostProcess)*1000; sol(uav).cost =single_cost(uav); end cost =sum(single_cost); costs=single_cost; end
3 仿真结果
4 参考文献
[1]江冰, 郭彭. 基于粒子群算法的三维无人机路径规划方法及规划系统:.
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**部分理论引用网络文献,若有侵权联系博主删除。**