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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?' g* V" J. N( A: C1 |( b/ m+ J) x
' C }; G2 X S: P7 I* P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):
a& ?# q: f8 x4 I- @车床:
$ H) T$ V( m0 E u& `$ Laction on finish:6 L( k! o/ V$ [8 @
IF RANDOM (1) <= 0.05 8 f+ Y2 x/ z9 c" K. \' b
PEN = 1
0 j; N* x3 ~7 `2 L: ~/ t5 H C = "pink"
% u& F' m& U2 zENDIF
* n9 n% h4 }/ r' L- H8 C% H+ X8 Z( [- m( v- z) C1 Z
铣床:: S" }& b+ I& i6 ?
action on finish:( o7 I0 \ Z2 Z+ w0 k( g
IF RANDOM (2) <= 0.05
& p- r% ` l: z5 u) M PEN = 2% D4 F Q; r% {1 |# l9 p# T
D = "yellow"- i. F4 M2 s4 P% e) G6 X
ENDIF ~, y. F2 r. p8 Q0 v
' L2 z/ W+ l9 N( T. @/ B磨床:$ `$ P" W9 d$ K7 ~! C4 ]5 S2 H
action on finish:0 r/ }1 K; ^" z( @6 i8 B9 Q
IF RANDOM (3) <= 0.05
1 o- y" {* C$ Q, ` PEN =3
, a) R8 E' n6 p# b3 ?) U E= "green"0 ?' F! d" t1 R/ f+ t
ENDIF |
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