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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?
z+ }& T3 P4 P, V( C/ r" X" q, P5 Q9 {
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):
( U7 [3 ~/ G, r车床:
/ s F4 f+ N# R" S/ g6 U7 saction on finish:
W) k" J) {, [0 s2 _IF RANDOM (1) <= 0.05 0 @4 `( d8 I( a; r" k" g
PEN = 14 O z6 B' r$ i# H# K" k8 k
C = "pink": l. v" [$ l8 e7 N, e: I
ENDIF
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+ W D$ S6 I& R$ U, }铣床:
! [1 d3 q' H0 p! |! \2 S0 zaction on finish:9 H& S. @3 [+ B1 L/ O( q. W
IF RANDOM (2) <= 0.05
6 V+ X2 |5 q* y3 i PEN = 2
; s Q+ j/ e% i! ` D = "yellow"
4 R- c, _/ ~4 g8 X" j0 xENDIF
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U# ]: ?- C( B磨床:
) [$ m; m' r1 M7 L' `9 g6 Vaction on finish:! f. K7 q! \. Q5 n Z
IF RANDOM (3) <= 0.05
, w6 Y. l B( [. l* M2 |7 ? PEN =3
3 [8 c" l7 P" S E= "green"4 l0 x1 I Z% |9 O6 e- h
ENDIF |
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