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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?
: U& f2 [6 F$ r% \) T' b' N5 T! C* r% c# R& 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):
2 ]( N5 A5 i) a7 |* x车床:1 A) s- E9 o5 l. h' [8 A. S |
action on finish:% e$ t" E8 ?2 D4 I1 A/ N
IF RANDOM (1) <= 0.05 O1 ^; g0 k& m, }: s- R' s
PEN = 1
0 f& V8 h m+ e% H' I* w C = "pink"6 j" _7 M* x9 E) k9 b
ENDIF
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. D0 K! h* x9 T3 p, `; e+ `+ ]铣床:
6 w4 L; i# r* r7 n4 l# v+ ~4 yaction on finish:
9 i* x( M; a- d* P7 ZIF RANDOM (2) <= 0.05 c. S, @$ g5 z% ~# K# c
PEN = 2( f2 ] U4 C$ S- A
D = "yellow"
" H \; z o0 E bENDIF - J# _- ?- \# w. m7 u0 A
- m. b9 |, w- i- Z磨床:8 O! e' u5 k. \9 _
action on finish:
/ I/ |1 e& s2 b1 C; n) ^, M& p' k5 p" U, gIF RANDOM (3) <= 0.05
4 }2 U, w1 b: {2 g5 e PEN =3
" O3 [2 Z2 F1 d. p E= "green"0 e) X( e4 ^; u! @$ @, }* S, w1 L6 a
ENDIF |
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