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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?
0 d: E s6 O+ P& C
) t, t0 {' s3 j5 W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):7 I6 x( n+ e" G d2 D* d
车床:
8 J3 A& ?0 M( i5 R% V4 Z9 caction on finish:
9 `+ V7 D& F; i% UIF RANDOM (1) <= 0.05
3 Z& k' @9 H$ e PEN = 1
4 V5 M1 s8 Z. |5 n8 j& ~- p: F C = "pink"0 h3 S* ~( m; \5 A1 o- H9 _
ENDIF # a4 `9 d4 C" m3 r+ V/ h9 N
, u5 E$ W, e1 p铣床:- A: F5 n, n1 I
action on finish:. C6 u' u# M* Q) j4 [0 C
IF RANDOM (2) <= 0.05 ; X S- \ u( g, C# ~$ \* O
PEN = 2/ h& o. @& \) z; h- w
D = "yellow"8 g7 J" J& @" }% w; L$ g' A4 ^
ENDIF
6 L* @$ |3 ^7 V O) s7 h
Q1 p9 ?, N( e, c) _! m磨床:( k* M: ^# J4 r/ y7 P9 m g! n; @- |
action on finish:7 y9 x' o. ~, a& g: N
IF RANDOM (3) <= 0.05
) c/ B7 {1 a, Q PEN =3
5 z' k. V+ D/ T9 a9 v- m. D E= "green"
+ J, y% b8 e( n: i7 _ENDIF |
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