www.pudn.com > youhua.zip > Objection.m, change:2013-08-19,size:1885b


function [y out]=Objection(dv) 
global para 
global df1 df2 df Df dr1 dr2 dr Dr Lsf Lsr  Af1 Af2 sf Sf  V0f Ar1 Ar2 sr Sr V0r 
df1=dv(1); 
df2=dv(2); 
df=dv(3); 
Df=dv(4); 
dr1=dv(5); 
dr2=dv(6); 
dr=dv(7); 
Dr=dv(8); 
Lsf=dv(9); 
Lsr=dv(10); 
Ar1=pi*dr1^2/4;    %单向阀面积 
Ar2=pi*dr2^2/4;    %阻尼孔面积 
Af1=pi*df1^2/4;    %单向阀面积 
Af2=pi*df2^2/4;    %阻尼孔面积 
Sr = pi*Dr^2/4;    %气室面积m^2,工作面积 
sr = pi*dr^2/4;    %油液面积m^2 
Sf = pi*Df^2/4;    %气室面积m^2,工作面积 
sf = pi*df^2/4;    %油液面积m^2 
tspan=para(21:22); 
V0r= Sr*Lsr;  
V0f= Sf*Lsf;  
%========================================================================== 
[t,x]=sim('youhua_c',tspan); 
a1=simout(:,1); 
a2=simout(:,2); 
a3=simout(:,3); 
a4=simout(:,4); 
a5=simout(:,5); 
a6=simout(:,6); 
a7=simout(:,7); 
%========================================================================== 
%========================================================================== 
[t,x]=sim('youhua_c',tspan); 
a=simout(:,1); 
b=abs(simout(:,3)-3.8); 
c=simout(:,2); 
%========================================================================== 
%----------------------------------- 
[a1max,k1m]=max(a1);% 车身垂直加速度均方根值 
[a2max,k2m]=max(a2);% 车身俯仰角加速度均方根值 
[a3max,k3m]=max(a3);% 后悬架动行程均方根值 
[a4max,k4m]=max(a4);% 前悬架动行程均方根值 
[a5max,k5m]=max(a5);% 前轮动载荷系数均方根值 
[a6max,k6m]=max(a6);% 后轮动载荷系数均方根值 
[a7max,k7m]=max(a7);% 人体垂直加速度均方根值 
[amax,k8m]=max(a);% 脉冲路面车身垂直加速度值 
[cmax,k10m]=max(c);% 脉冲路面人体垂直加速度值 
[bmin,km]=min(b);% 寻找相应周期位置 
b1=a(km:end);% 新序列 
[b1max,k9m]=max(b1);% 脉冲激励后两个周期的最大车身加速度值 
b2=b1max/amax; 
%====================Objective function============== 
y=a1max+100*((0.1<=a3max)+(0.1<=a4max)+(0.33<=a5max)+(0.33<=a6max)+(0.29<=a7max)+(31.44<=cmax)+(0.1<=b2)); 
out=[ km b1max b2];