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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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/ ^4 Q6 |' b1 `& U4 ?. F$ T! K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):7 D) s# o+ Z- n! Q/ \2 J
车床:% h) Y5 M: g) B. q2 T4 S5 o9 A* q. s6 l
action on finish:( _) l, N- ^# N7 m2 P
IF RANDOM (1) <= 0.05 " b8 G- k7 [/ E8 z9 A7 x
PEN = 1$ |0 \ @9 }; I3 a# y
C = "pink"* c9 ]2 F3 C1 U) }
ENDIF
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铣床:
* T' |4 F4 N) p6 h* zaction on finish:
1 i5 r! J# d5 A2 x: aIF RANDOM (2) <= 0.05 ( \% S$ \1 F3 _0 d
PEN = 2) z3 p/ _" L% i) `" @4 s5 }
D = "yellow"
" ?+ l/ y6 U* g: I# C9 s0 UENDIF
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; Y9 U7 [1 z* m: c& h+ |% \) h磨床:
- G) _' Y8 r2 v- [( R, Vaction on finish:
4 ?6 F2 D F! i" U" e9 NIF RANDOM (3) <= 0.05 ' x$ L1 R4 r) }4 X b3 k% p8 v
PEN =3
# O, P+ E& {- l, D E= "green"- g( C$ F. S9 N
ENDIF |
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