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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?7 R, x' }& J7 F
x: n) i+ P$ L% L
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):
) u7 C* Z, W7 j# b- S# A车床:
: t, q1 v3 b( raction on finish:
4 N& v& y/ ~' c- W' G; WIF RANDOM (1) <= 0.05 o# |. [ ~0 ^7 W# j1 f
PEN = 15 C' k* Y5 y- J2 v: `
C = "pink"
( r7 |' z9 L" IENDIF 8 L; I' I8 e$ F+ W- W
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铣床:
* {8 _/ c" Q% r( N* taction on finish:4 p, t" Z, x! W. Z8 \
IF RANDOM (2) <= 0.05 ( Z/ a/ ]7 H5 L' Z" h3 r
PEN = 2
d* G7 ?8 [- G0 D! d. K D = "yellow"
J1 g- b1 y; lENDIF
9 `" {# r) g! D, i5 o, N2 q/ H
' T, a. l3 n: N0 j磨床:! L% s s! @$ l ~+ P& v2 H R
action on finish:" l* |8 F y0 A0 @' e" c/ l
IF RANDOM (3) <= 0.05
' g! O% @# Y* {* \6 ^ PEN =3
4 X& g1 ?) R W9 f. v5 N8 c E= "green"- W$ }4 j3 v, O" o
ENDIF |
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