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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?9 h% s" C0 \. T' Y# D: h
9 }! E8 u( m& ?( `; c" t+ d1 M6 c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):
* U$ v1 i* Z3 q0 ?" [4 t+ v2 N车床:
+ |( C: I% x: jaction on finish:
2 T& I( @# P6 z" P3 v5 S* |# y2 @IF RANDOM (1) <= 0.05 , Z$ J, q& z9 ~9 R
PEN = 1
! |6 T- Y% x# _4 L& d6 ? C = "pink"
) k3 m' g( y5 i; BENDIF 0 p- u3 Q, S- o M+ W. {
; q7 [+ P: x( B0 ^) k8 b! l铣床:
7 c: O% V( V3 P/ O8 F0 taction on finish:" D: Q' X, z/ G
IF RANDOM (2) <= 0.05 u. K/ u/ X) N* B) L, f2 |
PEN = 2$ b0 t* X1 u T1 N( g
D = "yellow"
! H5 V S, \- nENDIF
; z2 m/ |: }" S1 l2 Y% |# o: [+ A9 x9 D- n1 @( C* {
磨床:
- `1 `+ d2 I6 J% m5 ?) x! T6 {action on finish:6 [, A- R; y g5 K
IF RANDOM (3) <= 0.05 ! }1 G% x5 Z3 |0 R# Y& }: ^
PEN =3* C$ f; }7 w8 G) k4 x
E= "green"
, }' G- ^* k4 j1 cENDIF |
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