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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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( z \4 W# V/ y2 B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):
2 q6 h2 g# R0 S2 h8 ^1 i# x3 [, e车床:: ~+ @" x, z, A. ~
action on finish:
# t3 C4 h# l2 ~* }; oIF RANDOM (1) <= 0.05 & u) [" E3 a! j; A& g
PEN = 1
% Y( v/ o$ \+ ^ C = "pink"* a' h9 P" s4 s# C; R* T& Q
ENDIF
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' v% ~ \/ x6 u铣床:4 f, ^. ^) L1 L9 Z5 F' Z3 A" t% t9 X
action on finish:
6 L. P G, J+ t3 A$ WIF RANDOM (2) <= 0.05 . n; @' A7 v3 x! A
PEN = 2: v/ J$ A1 P2 [
D = "yellow"
7 H+ W$ v! i6 J/ C8 UENDIF
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0 A5 C' O9 F2 @5 q2 ^4 z磨床: D5 h0 t, w5 F# O& |
action on finish:
1 T" [2 X+ H5 l+ GIF RANDOM (3) <= 0.05
. U6 s9 i1 ~8 ?9 Y8 h PEN =3
3 {! ?" c7 [7 H1 z% r- s E= "green"
7 D" n3 w' G4 Q% e; NENDIF |
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