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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?, h+ m5 P6 E. |7 L' A. M. ]+ ]: X
6 O, N- G: n7 P! V3 H3 a4 K- B
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):; D8 s' Q/ m8 T( m/ S' ^, @3 U5 N+ v
车床:
% A9 w4 U: S6 k* K$ A& qaction on finish:% W+ Z4 g, A# E, X" q3 ]" c0 f
IF RANDOM (1) <= 0.05 1 ]+ C8 p* f& R8 `2 Q/ @6 b& ~
PEN = 1
5 a* f3 ]: E( O; c8 w& ` @ C = "pink"
8 w8 ^4 ]1 z! A6 H0 e3 B9 gENDIF , g% {& Z0 J" A! z
& u; j* W5 e5 D( v" `
铣床:
: S6 ~& P& Z( Xaction on finish:
& A" t& s4 v1 M& ?& B- V/ yIF RANDOM (2) <= 0.05
. ]0 J5 K5 c# M# e4 i PEN = 2
1 p X2 b2 i3 }2 k/ [ D = "yellow"
; u# o, O9 v( ], _ENDIF
9 J& o! X+ @' x9 z) {' ^
`' q2 \' r" B$ p% S+ Y8 h1 G磨床:, ^4 v% X4 b! c6 x& u# ^
action on finish:
+ L% z# T4 a" WIF RANDOM (3) <= 0.05
0 P! A; e( G/ Z' W; b& w/ B( N PEN =3! ?# ^. O8 S# `* C7 E
E= "green"
S! I% M' G2 i2 MENDIF |
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