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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?8 k/ o0 d) q5 j2 n+ s. N
2 Q: Q% U0 z7 A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):& |4 T8 q+ p9 X5 q; J
车床:
) Y: ?9 [4 C% uaction on finish:" Y! w: n7 v( i5 U: j
IF RANDOM (1) <= 0.05
! ~; [( {; z" F/ }/ p# r, n' @( c1 ~ i PEN = 1
' e+ Q4 [2 I# x8 t! Y% |! x C = "pink"
4 V2 V% [% a1 u- i, z( h' ~3 _, zENDIF
/ L: i# W+ n1 H- p ^2 p1 ?. t, n6 U B2 R
铣床:
8 W) A% x8 X! `' G% yaction on finish:
% O! A" _8 K1 rIF RANDOM (2) <= 0.05
. q' ?$ a0 r! N1 T0 `& z# _0 S9 S PEN = 2
2 R( h( q. {# R n7 U; o% z1 I( y D = "yellow"
+ R5 {( p0 l* q. b. _% |ENDIF 6 T6 A/ R! A7 C7 h/ Y5 z0 B
- d1 Y. O t$ d/ c7 h/ y4 l
磨床:0 n% S. ^4 [9 p( }- A+ S6 s
action on finish:8 q% m, V, a; |; E3 I4 ?2 }9 b0 G
IF RANDOM (3) <= 0.05
% \; b8 E% m( ]5 o Y$ R; e5 e PEN =3
2 \4 s3 D0 Y( l/ Z$ }: Q E= "green"
0 j- e# I+ H5 a) `ENDIF |
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