3.9 -
5.2
300 .
280 .
3.5
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ճ
P1, P2 璺 .
PB1, PB2 璺 , .
P3, P6, P7, P8
P4*P1*5=4
P6*P2*7=5
.
(t) = , P(Hi) - ; (Yi) - .
1.-1- P3, P6 :
P(Y1)=(1-(1-P1)*(1-P2))*((1-(1-P4)*(1-P5))*P7*P8
P(H1)=P3*P6
2.-2 P3 P6
P(H2)=(1-P3)*(1-P6)
P(Y2)=P1*P2 *P4*P5*P7*P8
3.-3 P6 , P3 :
P(H3)= P3*(1-P6)
P(Y3)= (1-(1-P1)(1-P2))*P4*P5*P7*P8
4.-4- P3, P6 :
P(H4)= (1-P3)*P6
P(Y4)= (1-(1-P1*P4)(1- P2*P5))*P7*P8
.
,
.
̳ , , - .
, .
, .
:
(t) =
˳ - MatLab:
t=[0:10:2000]
Tg=8000; Tc=6000; Tp=5000;
Lg=1/Tg; Lc=1/Tc; Lp=1/Tp;
%, ,
Pg=exp(-Lg*t); Pc=exp(-Lc*t); Pp=exp(-Lp*t); Pp1=exp(-(1/5000)*t);
%
P3=Pp; P6=Pp; P9=Pp1; P10=Pp1;
%
G=Pg.*Pp;
G1=G; G2=G;
%
SH=Pc.*Pp.*Pp;
SH1=SH; SH2=SH;
%ó 1
H1=P3.*P6;
Y1=(1-(1-G1).*(1-G2)).*(1-(1-SH1).*(1-SH2)).*P9.*P10;
%ó 2
H2=(1-P3).*(1-P6);
|
|
Y2=G1.*G2.*SH1.*SH2.*P9.*P10;
%ó 3
H3=P3.*(1-P6);
Y3=(1-(1-G1).*(1-G2)).*SH1.*SH.*P9.*P10;
%ó 4
H4=P6.*(1-P3);
Y4=(1-(1-G1.*SH1).*(1-G2.*SH2)).*P9.*P10;
%P
Ps=H1.*Y1+H2.*Y2+H3.*Y3+H4.*Y4
P1=G1.*SH1;
P2=G2.*SH2;
P3=G1.*P3.*SH2.*P6;
P4=G2.*P3.*SH1.*P6;
P5=G1.*P3.*SH2;
P6=G2.*P3.*SH1;
P7=G1.*SH1.*P6;
P8=G2.*SH2.*P6;
Ps1=1-(1-P1).*(1-P2).*(1-P3).*(1-P4).*(1-P5).*(1-P6).*(1-P7).*(1-P8);
P1=G1.*G2.*(1-(1-SH1).*(1-SH2));
P2=G1.*(1-(1-P3).*(1-SH2));
P3=G2.*(1-(1-P3).*(1-SH1));
P4=G1.*(1-(1-SH2).*(1-P6));
P5=G2.*(1-(1-SH1).*(1-P6));
Ps2=P1.*P2.*P3.*P4.*P5;
plot(t, Ps,'r', t, Ps1,'b', t, Ps2,'g');grid;
:
: , , . , . ; , . , , .