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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?! T/ y, ^4 H0 d0 t
0 M: p0 h- I5 B% i* c. M8 ~! R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):
% \- s7 B, w. O4 l车床:
9 S, c7 w7 }8 ?% t8 eaction on finish:
+ f# R& |# W$ h/ ~- BIF RANDOM (1) <= 0.05 3 D# q7 ]8 n+ g$ A
PEN = 1; B# W3 B( K! V/ i9 | Y% Z
C = "pink"4 B) U+ U! e# T6 D6 F0 d, w
ENDIF
4 h4 d2 k {: s1 c" c+ P9 X# c3 ?+ N, Q/ ]. q# D
铣床:
& u: s' X, p* G5 f4 Jaction on finish:
& G; B9 ^& R8 I, e0 k! T8 J# vIF RANDOM (2) <= 0.05
& o) B; ]9 b. n; l$ Q( O2 z1 z3 n% e+ O PEN = 22 v. u# k7 H+ ]. E
D = "yellow"# D0 \$ z+ W5 g- X
ENDIF
! b! m$ J' G3 h) F. F; Z8 v- T2 ]! _$ D* X; T- T8 D `
磨床:6 _% n, Q7 O: ]& I" O0 u
action on finish:0 A$ a4 F) k2 a
IF RANDOM (3) <= 0.05
; ]4 K9 V/ E- Z' Z- t1 Y PEN =3: {+ e6 d7 ^8 H. }
E= "green"
/ J( v9 D- H3 ]7 V; QENDIF |
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