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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?
$ M5 |+ t$ ]3 H6 `1 k) g9 h0 T% e
9 t5 J6 a; U2 u$ O9 e/ }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 S3 e3 I- ?" c' x7 p
车床:1 ]" }) z) [1 F) e ^ c
action on finish:
3 e' m- L7 e4 i* m$ i4 q3 b! ] z* vIF RANDOM (1) <= 0.05
- k- e4 b$ X# u5 K PEN = 1+ Q, z) X; \5 l* p4 C) M
C = "pink"5 h* b m+ {) [( p$ w
ENDIF r. h3 t+ u8 x, ]$ {3 s, w
0 h: L6 k4 L/ I
铣床:
* l0 K# j! e) o/ Z/ I5 p2 {action on finish:; h1 O y, x, d( h
IF RANDOM (2) <= 0.05
j) P. w, L, ]) l3 ~ PEN = 2$ [* d# M* C a G& T
D = "yellow") B7 a& H4 l+ _' m
ENDIF
' s: }. x3 `" t6 i; p( D# |6 b: k
磨床:& D9 Y0 c7 K; Z. g9 Y
action on finish:" Q; D, \, L( h: `1 a
IF RANDOM (3) <= 0.05 / A6 e* r4 N( A+ G) A* f, Q
PEN =3
6 g, k% C8 [; Q% h: F% X3 \" F/ S( m E= "green"
, E, M0 O, g, @0 f( c% wENDIF |
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