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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) H* o6 w: K+ } S; G* b7 g, T* \, f
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):
- k8 J9 b; o; G车床:
7 X0 M1 v2 m6 z* i: T6 Haction on finish:
6 W Z4 N4 w& b: q$ m# ?IF RANDOM (1) <= 0.05
/ N- U" Z( @# M5 z PEN = 1
1 G6 k0 i- b$ e' Z, A0 b( G) A C = "pink"
* R9 _& l% X a. }% bENDIF ; ~, c5 o1 ~+ N1 J o
# x+ ^. t+ `$ e2 |3 _3 x' y铣床:
; }2 v! h: ?0 i* d& Yaction on finish:
$ r% ^; r' A- d2 ~IF RANDOM (2) <= 0.05 4 G+ K* h! D* i5 d4 T+ r f6 @
PEN = 2
7 U) N+ r: @) U5 {1 m3 j% E. m D = "yellow"
$ h/ s, _% t3 x* ~7 Q: g3 ^ENDIF
: t, T2 C* c" X2 O
: U" w6 ]4 G. {* i3 ^! i! Q磨床:
# Q& W$ p* ^' Yaction on finish:
# U" v0 c% R5 m$ F0 LIF RANDOM (3) <= 0.05
" b- t0 M( C/ [$ Z+ ^ PEN =3$ l! q$ [% d2 l6 F* I, Y, n5 ]
E= "green") |* @" {, o8 g! }+ b
ENDIF |
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