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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?
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! [) t! T' S# {( U0 d# t! c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):8 R1 c; z: b- j( O5 T2 M
车床:
# m2 |( h9 c7 Y- P5 Caction on finish:
. b/ n) q! j( DIF RANDOM (1) <= 0.05
2 S2 R3 o/ b+ ?$ t+ M$ b! z$ R PEN = 1% y# W* L/ }0 e& i5 V
C = "pink"
! f+ B$ K# _7 {, \& v/ a" m2 a0 yENDIF
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7 t, C% } i# u铣床:' D3 P1 X1 ] k' b! j! H/ `
action on finish:& l" y& G. Y; D! K5 a" a) O6 d7 s
IF RANDOM (2) <= 0.05
$ {* ]- g2 M$ c" o: j+ {" q; { PEN = 2# G6 Z* g9 Y0 a7 o8 [1 G5 S
D = "yellow"
' o" M% n) f1 l! SENDIF 9 {5 x: j7 W; S; K$ m$ W/ q+ l
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磨床:7 T0 K" T% T1 C; w d7 C9 w
action on finish:
( W% y6 J m# O% x" _IF RANDOM (3) <= 0.05
! ?0 q6 K0 Y6 t9 I PEN =3
# D/ _4 @" x: O) Z. {% f! K- O E= "green", B" Z. O4 y: x, E3 r, ]( }
ENDIF |
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