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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?# |2 @ }5 z$ w0 @& N: Q- R1 [2 d
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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):
) c2 e8 L0 z% |车床:0 a% A3 `" {# n
action on finish:0 P, B i6 v) M- Q" O& o
IF RANDOM (1) <= 0.05 7 S2 G; m1 l$ ]$ C
PEN = 1# g8 D' E9 u; v9 \. z3 K
C = "pink") K0 {: C- o! J+ p. l m' I. k
ENDIF 5 Q4 ]* O* k4 d* W/ l' ?
- _" b. Z2 R# c) b" h- e铣床:! [3 ]0 D0 u$ j9 V
action on finish:
# K9 j4 j! k/ c8 E" P) K) }IF RANDOM (2) <= 0.05 : P3 _, i5 N( ]9 t- B" b0 z2 y' O+ t
PEN = 2
3 S( A! L7 k) [7 f D = "yellow"5 h( v0 F8 Z5 q( X [* Q
ENDIF 9 b. W+ j2 G \" D9 m
* J* W# R# j4 M/ T$ v' `6 ]9 g磨床:$ X( o# U4 _8 P$ }
action on finish:
3 t, ?! p8 u4 ^/ m! Y/ U+ zIF RANDOM (3) <= 0.05 % b5 ^ U7 q. j2 x
PEN =3
& c- H6 O M7 z/ r5 e7 b& C# M* X E= "green"
) T- ~3 F9 w' d% ?2 x6 k$ ~- PENDIF |
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