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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?+ E. d, x4 y) S7 U# ?. @
# P5 Y7 b) J7 ~+ B+ B: b# i, b
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):
9 p+ d7 V8 G, p0 D7 U车床:
) X3 u9 G8 G& W7 P( l7 `action on finish:! h; ?. Z& \2 b& D9 D& c
IF RANDOM (1) <= 0.05 1 i$ G) c+ I% M" J7 U6 H
PEN = 1
1 y! F( m3 |- D) } d/ m C = "pink"- Y2 k) k; U- }
ENDIF " U I( m& @, S& a' {% [2 {
: |8 \" k: G; X2 o* R铣床:
5 o! N& h- p/ Z* Daction on finish:
) @4 R# ^4 u( C# xIF RANDOM (2) <= 0.05 + E! G- F( Y4 J, \
PEN = 2
7 y, `& o# C |. t& ~ D = "yellow". z8 v8 t, c6 S
ENDIF
% K) e( ]8 t! y( B6 ]
; t! b: i9 w% j* q% ]磨床:' g. h& m' S2 }3 @; z
action on finish:- J. w2 `8 H. ?2 z' C
IF RANDOM (3) <= 0.05 0 Q; m6 _9 I: C7 \. W3 ?) m
PEN =3
5 F" a0 H+ @' O/ [. i E= "green"; ]& w. I( Z* m; ]7 Y
ENDIF |
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