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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?+ q) V) [( o4 L
9 C; y0 h* w# }2 v- }
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):
. R; f6 a3 O v& J6 [9 Q6 U0 P% }车床:
2 Z+ ` J5 z0 Y% Baction on finish:
9 q- Q U w& O6 q( MIF RANDOM (1) <= 0.05 , w3 W% Z, M3 t) I
PEN = 14 m; k4 E7 c* s6 @5 i
C = "pink"
- A( g8 v$ K0 R2 m8 u( gENDIF
, {$ H" q# e% x0 b: s, V' g
$ O0 M6 w' d; p. ~铣床:+ F5 @; U3 J# @% {
action on finish:
' n; a3 c1 J4 @& a6 n |IF RANDOM (2) <= 0.05 - }( b! n/ c, c) o% F# [' P4 y
PEN = 24 S) i, Y. K$ ]$ M G& A
D = "yellow"
/ Z7 Q/ f% D$ r, R; M& UENDIF 1 F6 i/ n( S% J) y3 W
& s U6 Y5 E3 }. Y! P6 A6 k! V( B9 J5 R磨床:( x S9 v c5 q! r
action on finish:
$ y3 i8 o; [2 y: \5 x5 P5 ~. MIF RANDOM (3) <= 0.05
/ @9 m0 p* C( d8 L" V PEN =3' R" Q. x& Z. |, k9 J' E$ j
E= "green"7 y' J, {) r% b& q/ i
ENDIF |
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