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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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9 {7 J5 s9 N) T% c5 ~7 I* l4 U+ ^8 S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):
9 Z( z9 V& J' U! P车床: {- ?- ^! ?+ R! T4 o/ t
action on finish:
P, L7 s6 T1 E- q6 OIF RANDOM (1) <= 0.05 ; q' V" P; Y" L3 X
PEN = 1
1 i( T) g1 D Z8 G; B C = "pink") z6 R( N! I1 s# V# k' {
ENDIF 5 Y& Y$ {: j' O7 R& F
3 [8 n2 Y/ A/ H4 _, |3 j2 o3 i+ W
铣床:
' @6 @' Y9 J+ S! R8 Y$ q' oaction on finish:9 u: j" O: k# M2 \ @
IF RANDOM (2) <= 0.05
* b! d2 g) R1 A! D# H8 s) l PEN = 2$ l5 z: _) ]) c3 Z$ G/ q+ J( R
D = "yellow"# }1 {1 H: e) `* W( K
ENDIF 8 \& c8 R0 U! K4 p
& S! [% }/ r' a* H1 H& t' ^磨床:! |7 d- a Q1 I, \" ` W
action on finish:
. P/ \% e0 Z% t" l- Y) |IF RANDOM (3) <= 0.05 6 J' `" y) }9 n+ ]; }
PEN =3
+ C k7 {: K! q% B4 A# w. N E= "green"- R9 I8 h! q' A1 l+ W1 K9 b
ENDIF |
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