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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):
+ N0 c! T x6 W% L \: N0 H车床:
, g) N# w6 I. h" K) O6 ]0 J- D% k# @' yaction on finish:
6 B& n+ A W3 KIF RANDOM (1) <= 0.05
/ P2 E5 u8 K1 x0 V7 v PEN = 1
) v8 ~( F4 n( A( } C = "pink"
* q# n5 _( Z; E( o* N% s; y& k3 o# zENDIF
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! F% H- r. B8 Y S铣床:7 c& M0 F* ~* t, V1 |$ S
action on finish:
; K% f l' ^3 Y: G' FIF RANDOM (2) <= 0.05 - B8 v D/ e2 C) _5 d1 `7 i
PEN = 2
; s, I! |* {+ T/ |9 z D = "yellow"
2 G3 X7 W; p, z5 c) W7 qENDIF + @$ S% F/ S P7 ^& k
# ^* H# E/ E! B& P3 n) y磨床:
& J8 j/ N7 r6 c- X1 I! ]7 Laction on finish:
. F2 o% j# O$ \6 R0 r/ MIF RANDOM (3) <= 0.05
2 @" b% Z: C8 q7 a' G% m5 D PEN =3
, L- O% p, M2 u* r; O# F" s( l- s# d" f E= "green"$ |& f- {) [4 x" d* ~
ENDIF |
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