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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?
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. p3 M( t c+ q, l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):% w, g- o8 a! N1 `2 k0 l
车床:, o" V7 @- r: L( d. y# A, i/ J8 k
action on finish:
# L% _$ Z$ w# ]6 rIF RANDOM (1) <= 0.05 8 S9 n1 g1 F" R" \% e. a, k- m
PEN = 1
; Q6 @0 N0 c. }: I- C C = "pink"
- l, M. f+ H5 |/ X/ z8 s6 UENDIF
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, ?6 E2 n9 Y: G# a) O& p; i5 q8 J1 f铣床:7 D3 z' V0 V' f; |2 B6 S( d, A3 {6 B
action on finish:: P! i& m& B+ |) d0 s; b( Z
IF RANDOM (2) <= 0.05 7 J0 W E9 ~8 q, }( J$ g
PEN = 2
% Y# s# q% K7 K' Z" e D = "yellow"7 H2 O6 j+ F0 Z
ENDIF
5 Q, T O' J. w! \$ h1 w$ J! u. p, J& F* C/ L/ E% @0 M
磨床:
& J& h6 N" A4 T' M% C$ ~- d! N* Y% `action on finish: p0 ?8 A. p N$ |" ^' v
IF RANDOM (3) <= 0.05 + G) ~5 K! q! g- a* t$ m
PEN =35 O6 C- E; ]. a: S0 Q# |
E= "green"; X& n- `! i4 z: C: _% f
ENDIF |
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