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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?
) ^" z7 z! v+ p S% P) ^ g& }! Y' K' ~
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& o% |. |4 R" H) @ \* G
车床:
, h. A- x9 s* c* Eaction on finish:
0 i4 l' ^) o/ e6 x: S! q* kIF RANDOM (1) <= 0.05
+ c, q& B2 O# u. K% R PEN = 1* ~3 y, w2 H- i/ v. |
C = "pink"
8 G( G1 q$ B8 d# I$ X0 X9 S; T: eENDIF
6 w5 M( Y. v2 H: K4 n& Z$ c* M
! a" u# T7 n4 m铣床:
. m$ V( `( m- V+ [" P' }3 k- M; i' Oaction on finish:% ^' w. c* J# w3 l5 z: p2 c) `
IF RANDOM (2) <= 0.05
: Y( s7 i+ Q! D" N6 } PEN = 2
" ~9 h+ L$ c) `9 V$ E5 i0 R. J D = "yellow"
# T. F4 S9 n/ H, o7 F: CENDIF 0 U9 Q4 C$ P! W4 ~2 T
7 Y8 A* l6 y0 }2 f- P1 ]
磨床:. {& F0 }( I I7 |
action on finish:
& j; F6 K- m; m8 NIF RANDOM (3) <= 0.05
) _4 _1 F% {& t1 W2 `; ^ PEN =30 S1 d8 h& V; O: U8 E
E= "green"
# @5 O( G; b5 x# U4 ~8 rENDIF |
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