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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?
1 Z+ \8 R( G1 O. x, g: L p" ?
& E0 F! \8 u/ Z! a; t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):
& q! R0 k; _( l0 O ?4 Z: t车床:" ], S+ r5 U# z5 A
action on finish:; W: P. ^7 H: Y/ G
IF RANDOM (1) <= 0.05 0 C( `3 v$ `8 v, R/ h
PEN = 1( Z6 }# `7 B E3 e7 o. j- B3 L
C = "pink"$ ^' o" Q) H) a3 q4 [0 W1 \7 g) ^
ENDIF 2 f4 k+ {0 w" Y S
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铣床:" D* P$ T" N/ r$ L7 w! v: S
action on finish:5 p) J: S6 E: a) {* |6 u! C
IF RANDOM (2) <= 0.05
" ?- i( _# k" D; U( \8 O PEN = 2
2 M7 a. S, D! n# u D = "yellow"
& |0 S: k# ^- O7 sENDIF
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( E; x' w) W- q% d5 v* }1 E- E磨床:
" V- d0 F. M' h+ Z- \( _5 Oaction on finish:
. [0 y6 k1 ?0 O8 R* I j1 U5 sIF RANDOM (3) <= 0.05
" m, i* m p. O" [ PEN =3; j/ X% e5 t D
E= "green"0 C) |( i0 k" O
ENDIF |
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