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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?
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5 [$ Q' Z. v" z5 f' K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):: l# M6 G0 v. y4 P2 x' I
车床:% a) q( @6 ?7 S# R: |1 X* i+ X+ j
action on finish:0 Y& J6 t. f/ z6 P4 e( R1 Z, A
IF RANDOM (1) <= 0.05
8 E0 E0 E1 m: l0 W' e* P' U PEN = 1
& l' C& N) K& R n1 w; S C = "pink"
" ?; _7 p, S8 z, w* t- DENDIF
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9 L* L1 h5 y1 R. _4 w) L/ a! v7 n铣床:: f: i! E- b9 h& W7 D9 ? Q
action on finish:1 F7 x3 n7 @; x2 `
IF RANDOM (2) <= 0.05
! e7 i$ l/ J/ I4 q. _ PEN = 2$ G( L3 y' `+ ~, Q8 m
D = "yellow"
# E) L, `- e% c3 h$ IENDIF
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' J/ M s) C/ u* H: U+ P磨床:
: |# s( o2 a3 n: O ^action on finish:. a- e& q' R( |) a3 G2 V0 a; u
IF RANDOM (3) <= 0.05 3 z' {" C- ?" c8 k7 w* F+ J) m& a
PEN =3
! F5 C/ V1 h& }% e8 ^ E= "green"& d6 s D1 I9 Q& I% I7 O
ENDIF |
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