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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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. H7 r) @4 J# B7 k2 e) Q$ 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):
# Q8 u: V9 `/ p8 B车床:7 H' C/ j7 G' v- Q; ^$ p; G
action on finish:! X; P. N. o @" U
IF RANDOM (1) <= 0.05
" Y% E; b# p! ]7 \# o) D' i PEN = 1
0 h' V4 Q, B( e/ S C = "pink"* B2 A0 G/ B1 w4 r8 \( d
ENDIF : g; C: u% T) v3 U2 R3 ~9 b
1 G8 B) s( Z. @) t
铣床:
; r2 [/ H6 Y$ {; E/ Z& ~/ ?+ ?action on finish:
0 c! c' d& s5 O1 vIF RANDOM (2) <= 0.05
8 z* t0 Y2 Z. `( l+ } H& R5 u PEN = 2. r; u) [0 ^4 p1 v- [
D = "yellow"
1 G: z6 _! l! |' b% yENDIF : b) |5 ?0 n: K3 b; @
l" Z' [: W% B/ A
磨床:# q& L* u& K" M
action on finish:3 t) Q! X/ L, E; K4 g1 s5 p# S, n- J
IF RANDOM (3) <= 0.05
4 K7 W* S- H* b% Y; G# [ PEN =31 z5 b- d, p1 ]" _% e ~4 _
E= "green") \+ ^$ C# ?3 U' f) T
ENDIF |
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