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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?2 K5 p6 [# [* U* M& P! v6 G
* J1 E! J, H s; \, A& b+ h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):
- H+ z* ]# ~5 r: Y车床:
! {/ C+ @; A# {7 N, c! P/ s' Saction on finish: o9 g7 H2 r# U/ N
IF RANDOM (1) <= 0.05
+ W" r8 @$ u& D% w# C% S/ | PEN = 1
4 ?" I& e- h, [" O: D C = "pink"
& [+ D) M: d- \* K1 Q; }ENDIF
' v6 V, w' G" j$ n
9 H2 S: y2 X" l( s! c: x$ G, r% x" N; ]铣床:
9 e* f9 I5 {+ i8 Q! zaction on finish:$ f9 N$ [$ H* q& q" V, g
IF RANDOM (2) <= 0.05
# u5 p7 c( y1 C1 x) ] PEN = 2
t( r j9 ?. m- M. T9 N0 } D = "yellow"
9 q0 L" x0 X+ b$ X8 [, mENDIF 2 Y0 S$ B! S7 @: v9 O" T
) I1 R' S0 |3 ?/ p
磨床:
- S+ p% H; P2 b0 L7 t2 G B ~2 haction on finish:
- Q/ F6 I: S- j3 g; jIF RANDOM (3) <= 0.05
/ {! Z; u& ?* c# X PEN =3
! x! u! c6 l+ L) |. x2 M E= "green"
' o3 a8 Y7 Z Z/ I r( _3 h TENDIF |
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