# i nclude<stdio.h> 1XUsr;Wz
# i nclude<stdio.h> X0+$pJ60
# i nclude<math.h> ko*Ir@SDv
#define PI 3.1415926 Wd?(B4{
void ydgl(); 5X4; (Qj
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; L|EvI.f
int f; ]re1$W#*
main() _dVzvk`_R
{ printf("Determaination the prime circle of cam\n"); E$=!l{Ms
printf("----------------------------\n"); w4<1*u@${
printf( "input ro=");scanf("%f",&ro); fB|rW~!v
printf("input h=");scanf("%f",&h); {<o_6 z`$
printf("input e=");scanf("%f",&e); ComVY4,
printf("input dt0=");scanf("%f",&dt0); ^C^FxIA&
am=0;p=PI/180; R}>xpU1
printf("The initial data:ro=%f\n",ro); lX/s Q
printf("h=%f e=%f dt0=%f\n",h,e,dt0); uV`r_P
do K[PH#dF5,x
{ro=ro+5; 0#0[E ,
for(f=0;f<=dt0;f=f+2) XCCN6[[+
{d=PI*f/dt0; XT>
u/Z )
ydgl(); _so\h.lt
} Lqq
RuKi
} n|sP0,$N1
while(am>30*p); Y^Y|\0
printf("The intermediate results: am=%f\n",am/p); Xd@ -
printf("ro=%f\n",ro); c+,F)i^`
do b^_#f:_j
{ro=ro-1; AX,V*
s
if(ro<e) Q^>"AhOiU
break; X|fl_4NC>
?j9J6=2
for(f=0;f<=dt0;f=f+2) #kjN!S*=
{d=PI*f/dt0; pyYm<dn
ydgl(); {z>fe
}
} jU.z{(s
} `w';}sQA7
while((am>30*p)||(am<=29.5*p)); Vw:.'-Oi
printf("The final results:max alfa=%f\n",am/p); T1 >xw4uo
printf(" min ro=%f\n",ro); #pO=\lJ,
getch(); k/o"E
} ZmeSm&
hQ_
void ydgl() &~)PB
|
{ d0=dt0*p; |fqYMhA U
s=0.5*h*(1-cos(d)); kKL'rT6z
ds=0.5*h*PI*sin(d)/d0; ~Gm<F .(+
r=sqrt(ro*ro-e*e); wd*8w$\
if((s+r)==0) KtTv0[66
return; 7.mY@
al=atan((ds-e)/(s+r)); pW$ZcnU
if(al>am) BBuI|lr
am=al; `u6CuH5
}