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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?( |5 K8 x: j# u9 f
! `! ~' `% @1 j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):# E4 r* G& {9 u+ u2 U7 D
车床:
( K; U! n" l; N# p" eaction on finish:1 ~, F5 J% T; m( R
IF RANDOM (1) <= 0.05
9 w! x7 ~& U& R" i) y9 {) s PEN = 1- e" ?: [, H% `
C = "pink"/ S% a3 C6 b, B& T* Y. |
ENDIF
/ ]0 X3 G) [) t; M* G( j
& `, X! g4 [& C* A" o& y* W4 u铣床:6 J1 E, h" v! ~( X/ c
action on finish:0 _( U6 I* ?0 f0 G2 k
IF RANDOM (2) <= 0.05
' b: b/ Y: h$ U0 R* o PEN = 2
2 N6 E* v% U% u4 \ D = "yellow"
) A, u, E) ^# gENDIF
) G5 Y1 ?6 k/ S1 o5 v0 t) a1 M& F/ b$ \% k" L
磨床:0 @ T$ Y. r! a8 F2 J7 Y3 T
action on finish:6 X2 a" Q L. A) _9 O
IF RANDOM (3) <= 0.05
& M. |7 ~6 J+ S: @+ g PEN =3# p/ B+ I2 U( `7 L
E= "green"1 M" u1 w* u# r$ p
ENDIF |
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