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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?$ G- g+ ~$ h* I* P. v
+ ]4 L( k% z) Y* g+ H7 S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 L" C; b7 ^" R& g. ^( x: g
车床:
. }' K- [ C: F" J% n% laction on finish:( k# [" ]$ \! a8 g
IF RANDOM (1) <= 0.05
+ ~# ~) d' F4 _' l PEN = 13 x5 k% {( R' d9 W. i+ r3 G2 L
C = "pink"
, l/ M* P, q: Y+ {/ mENDIF 2 b# A% Y. B1 L# }) g
6 I$ M0 b' D8 Q/ b铣床:6 I- n5 h% E, |+ s6 e& g0 d. h% L
action on finish:
" r: B4 x) u7 {8 r8 z+ h( l L9 QIF RANDOM (2) <= 0.05 ! q; x0 J# i) \0 Z3 n7 _, `
PEN = 2! t" M" s* O# ?! G7 |
D = "yellow"
! i; S5 o \% G. g3 vENDIF 7 B( p A& u0 r4 [* Y
6 y6 P/ `- s7 `2 a4 V' `) [" ]" @磨床:. ]! S L# r# N+ h' P# x! M
action on finish:. ?) x: J- q2 m' i) h
IF RANDOM (3) <= 0.05 % a) i" r8 x" d3 Z. r
PEN =33 [+ s" t0 ~ h3 _
E= "green"( m' z. f! h3 ?4 J7 C# B6 }
ENDIF |
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