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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?
$ d( K1 g' ~) L3 `
* l% R9 J3 F/ n, 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):
! f5 o# W g7 |8 R" j% m/ {+ \ V车床:
3 X% `2 B7 z% P* [/ i9 |action on finish:# Z# ` I, ]1 t# ?) V
IF RANDOM (1) <= 0.05 4 N+ O) e) f) g. O
PEN = 19 \' \; n. X9 R: t# T9 B8 ~ `
C = "pink"8 I3 t. b P. P/ R$ _
ENDIF ) p9 l$ H- ]% u! k6 P2 J5 j7 T
5 n' o3 J: Z; w: v% N
铣床:5 P7 G- P0 j/ T
action on finish:# X) B1 c4 n' R8 W6 `
IF RANDOM (2) <= 0.05 + X# M" D1 J2 D0 f* q9 |
PEN = 2
& @ @4 p) T% K" P4 ` `( D) U! I* J D = "yellow"
, Y5 D4 e/ M& P% d+ cENDIF " p" t& \7 E: o( o" F
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磨床:. e- }/ [; z' K$ w" F
action on finish:& D! I+ Q+ k9 w# u2 {& i
IF RANDOM (3) <= 0.05 5 A+ M7 A( l( U
PEN =3
* q( z9 ?) l) `( N E= "green"0 G7 J& p' D9 n) _& @1 b
ENDIF |
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