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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?, ~6 S; K/ l: n
" L# N% X2 h6 q3 G$ 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):0 [+ \2 W; B& h4 s2 k# i: Y6 u: e
车床:
x+ X/ \+ o! M9 z paction on finish:
, b7 c# R; d0 H6 Q. z! [! NIF RANDOM (1) <= 0.05 6 ^# Y% D2 h" L2 q) D
PEN = 19 n$ z' {2 @" O& J# Q
C = "pink"6 W2 R# E6 \6 k Q
ENDIF $ J8 V9 ?7 K/ A
4 ?: `$ i8 G0 B+ i, s6 K
铣床:) t" t6 v& J) t! Q* Z7 Z* Y
action on finish:+ ^5 G8 W8 U" S o, g
IF RANDOM (2) <= 0.05
0 w) ^, `2 ^! {2 `4 b0 `5 d PEN = 25 Y; w1 U2 \- v' h
D = "yellow"
/ I+ q( j- v2 [) OENDIF
- _5 z- C! M' B. [) { k; v Y# H
0 E" ]9 n; r( E$ s5 I) Y' l2 ]9 M磨床:
, }9 Z: R Q+ b" ]6 ~action on finish:
1 i( n, T2 i! }2 _4 |: \- U. DIF RANDOM (3) <= 0.05
' `- {, t1 k" r! Y; p) ?: d PEN =30 @% r$ a) z4 ?1 `2 {: v% g
E= "green"
" n( _' J* J1 n$ R+ ~+ B( a& k1 \$ ZENDIF |
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