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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?; o% K2 a8 C+ i; |9 M
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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):
8 j% I$ d8 F' [ P( W, Y$ b车床:" P1 {% L9 \' A
action on finish:+ d+ j0 i& f3 `* ~% n, T4 E' i6 t
IF RANDOM (1) <= 0.05 - d' f7 s1 v% x* O6 ]( J% `6 t" ]2 q
PEN = 1! k; J8 O* I0 ^0 w
C = "pink"5 M/ |, Y- E; i
ENDIF
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铣床:1 ^, }4 x+ w5 K0 ~# k. V) N+ T8 ~
action on finish:, J; _& H; B2 V# _% G
IF RANDOM (2) <= 0.05
1 f& v- f6 S: p" p" I4 D+ F7 i PEN = 2
5 N- i0 h% y0 P% ?$ t0 P: j D = "yellow"
: O8 c/ _2 g+ h7 j4 U" AENDIF $ |7 `! Y$ e1 s: b' }: S* o3 A* E
7 c. O' R3 H8 V# a* ~0 U1 A6 E7 ?磨床:0 E6 {! A1 y" f. |* C% k' q
action on finish:
5 K/ U* R$ N8 R2 F! gIF RANDOM (3) <= 0.05 ( j ^2 B& g! j1 i& l8 \
PEN =3
" N- ?9 x3 C# Y0 { E= "green"
+ X# _) Y+ ?1 q+ ~& nENDIF |
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