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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 _6 F8 E9 n$ C, ?5 f( t- w2 e% [2 E- f1 T7 E
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):* n' a9 O$ Q% X0 H N
车床:
: C+ d; y8 [1 Yaction on finish:
) x' d( h. t. P& qIF RANDOM (1) <= 0.05 " M+ {7 |3 a( E" ]
PEN = 1
$ D2 V; u2 W5 O C = "pink"8 ?& S2 ?$ f% @. T! {# Q: q0 e
ENDIF
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. U; H8 w5 X4 X& t3 Z1 L铣床:# `: W+ L. ^0 D5 @+ E. r8 F
action on finish:/ X6 h4 n1 K' I: g: m
IF RANDOM (2) <= 0.05 ) b% [- H2 C* {8 |
PEN = 2
, K& q* V3 H+ K4 \; T& k D = "yellow"$ ?' i8 y: J$ H- r
ENDIF
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" P! k5 d" h3 Y: p7 ~: F k磨床:3 l6 @) q9 \% m8 z4 M
action on finish:9 y) x! y5 p0 l1 Z0 H$ {3 X, K
IF RANDOM (3) <= 0.05 ' W2 N$ [$ s5 j5 e
PEN =3
. q" u {8 I1 P/ y E= "green"8 u) d- w* r2 n. ]
ENDIF |
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