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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 w( y4 S& i6 R: s+ a
/ w! k0 E7 I" e6 q: N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):
' S5 x0 M2 c' |2 x( [; s8 L; C车床:% ]. b0 n+ t5 Y9 O; K7 K- K$ M
action on finish:& S5 ^# F& Y; `1 C+ j m9 b3 {
IF RANDOM (1) <= 0.05 5 h& n( c% j3 e, _
PEN = 1+ M0 W$ D! v! K! V5 `, S$ Z6 ~) `
C = "pink"
1 b! {7 J( R. m8 YENDIF 8 C( o! @8 z/ M0 E7 a( B1 i3 x
' |% J+ H6 m* z
铣床:# \0 h2 V1 O. |1 T5 z
action on finish:1 v$ b O; W: ~- N* L; ]1 g6 O
IF RANDOM (2) <= 0.05 " U, q% i, u K
PEN = 22 N1 A0 ]- E- L3 t% Y3 U9 b
D = "yellow"
| P) Y- {$ ?9 b }ENDIF 4 ]- Y0 ]; m M5 S( U
2 U0 h. a9 Z+ ^5 o
磨床:
6 [# N# n% z% ^) baction on finish:/ I8 d# R- P/ A8 g
IF RANDOM (3) <= 0.05
* U/ t4 G) ~; \6 N9 F0 i! c PEN =3, x4 x6 M6 i% d0 Y& h
E= "green"6 i. s' ` g0 l5 B u
ENDIF |
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