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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?+ m9 x) f: U H7 z
6 Q0 }1 W ?0 C. h; m1 G/ `
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):
7 j A6 L1 r! Z4 O车床:: n* I: B" ~) i+ C7 Y- e o( t/ Q
action on finish:
, k% j% b8 Q, U9 ~- `1 L7 K7 D1 G$ b5 FIF RANDOM (1) <= 0.05
4 k/ i+ b" Z: r PEN = 1
- E& w& P" k6 R: _. g9 @ S C = "pink"+ f. b5 f) f- V( F. {/ v1 S
ENDIF 2 d5 a+ I; D" B3 x
& S( [6 m; j) q" ?5 c1 q
铣床:
3 U; T7 w/ g! F2 Saction on finish:6 M* \% C* o s' ?' @# @- k$ {
IF RANDOM (2) <= 0.05
2 b% Y' @ {) {% L# z PEN = 2' {4 p( j- z s+ u
D = "yellow"- z) E( r8 T) R9 \) @& ~; F7 M" B
ENDIF
8 Q! L( G; X, ~2 q* p3 ^3 X) j3 W8 {9 g: i# R/ d! z+ C1 n! ^! F& U
磨床:+ R# S$ L1 D; A
action on finish:7 p/ I+ b2 C6 a- w; X
IF RANDOM (3) <= 0.05
& x6 c7 M! P2 W8 M7 W PEN =3# }5 J' A. v7 O' U6 X2 S% |- g
E= "green"
, f1 }% M/ K: k% i7 X7 U. O# V3 UENDIF |
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