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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?, s2 G9 o3 t! ^' ]8 z
0 U7 X% |( h* V0 e. ]- {0 n4 a* T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):
6 }8 t+ g: @& J3 U/ Z" x0 e车床:. }8 o n- ^: t' V1 a# Z
action on finish:
~/ v# G9 z6 I, [4 H1 VIF RANDOM (1) <= 0.05 / D- O3 d- N, q
PEN = 1
& V* [6 g. i, c C = "pink"
4 m/ ?/ c6 ], o0 `* }" ~ENDIF 3 Q: t" j3 w. J6 y
: y0 S; T3 z1 J' K
铣床:# ~4 w. ?0 @/ m7 V+ G7 _
action on finish:+ e5 |6 O- Q: ^6 H1 Z \6 i
IF RANDOM (2) <= 0.05
5 r: Z5 j8 }8 A# a" }+ T# ` PEN = 2
7 z) P+ s# v: s$ N0 c w5 A, ^ D = "yellow"
1 [0 l9 z4 _; H. m2 i' sENDIF
$ E/ m' H8 e. P6 A! w3 Y) i! } \ \: |5 J: s+ o( u9 u
磨床:
) T, N' D X6 n3 Taction on finish:
- J7 D9 B$ ~6 t0 `1 S$ I3 Z2 G6 VIF RANDOM (3) <= 0.05
9 _4 N4 }) D9 S$ N8 s* {6 u* d( Q+ I PEN =3& Q; v& x! y5 v4 F2 O
E= "green"
* l9 o0 V6 x( [" ^, @% @% gENDIF |
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