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有三台设备,分别是车、铣和磨。每一台设备的质量合格率为0.95,不合格品进入下一道设备加工,那么最终输出的质量应该是0.95^3到0.95之间,请问哪位大侠帮看看用Witness怎么仿真?
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我自己参考别人的仿真(但是输出的结果变化不在0.95^3到0.95之间,请问错在哪里):. w+ a5 r5 Z* Y' s) [
车床:! q$ a( ~* b+ u0 K
action on finish:: W7 F. m$ n& h' E3 @; K I. j
IF RANDOM (1) <= 0.05 % y* \0 e+ r8 {8 b
PEN = 18 n. R# [! b( P7 H
C = "pink"
: ~7 D) Y8 _4 r, ]ENDIF
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铣床:2 L0 t, {8 t3 r2 _* w" v
action on finish:
X/ |* E. \" o: a/ K- YIF RANDOM (2) <= 0.05
& h( f: k0 b$ y% k' t PEN = 29 P% X. D4 b$ q, A" t8 h2 y i
D = "yellow"3 c; }; {( i8 q/ z
ENDIF
% }7 `5 }! [9 w! b) [) x% U; c" i- R% \3 g
磨床:
; S3 _& D' ]2 D/ W* Q Waction on finish:
! @" b8 i& w' L2 [. _; F% xIF RANDOM (3) <= 0.05 ( j1 r( Z6 [9 O% k
PEN =3
; }4 y- K! `2 Q& i" K& h- W! F' m+ ~- g E= "green"6 \0 M' M3 a; y4 m
ENDIF |
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