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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 \9 u) u& ]; P$ t; f! J2 A
5 G2 u V5 V, K# f" 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):
2 Y! r* J0 L( F& O, e车床:; Y6 `, n, J! ~6 ?" l/ L
action on finish:7 ~1 j& M6 w6 E1 f; h% T
IF RANDOM (1) <= 0.05 + L Y4 n B- l$ ?3 F5 V, y
PEN = 16 ?8 r! F) H6 h
C = "pink"! ^ s2 t5 @' X; }- t3 \* c, n1 G
ENDIF # H1 b% T. @ \7 _* V' x' P; A
% M( C' U4 F B: O
铣床:
" Z$ p0 V+ P6 {( C# Caction on finish:( r9 v, L7 r( k% t/ m# P* F
IF RANDOM (2) <= 0.05
, r8 H" E" Q# D4 Q% L( A PEN = 2 C% o* o* R. c' `' I1 z5 x' @/ S1 f; \
D = "yellow"
9 P: Q) p: o2 D$ ^+ q0 L! o- l1 pENDIF , A/ U" h$ K' Y) n
. m& B, M3 Z) F( }
磨床:
# a/ U& C' y7 n5 \: Q* ~4 gaction on finish:/ M5 |1 F& y- k* S6 K# S2 O; D2 W
IF RANDOM (3) <= 0.05 , `; h) @( o6 Y! U
PEN =35 w% Y3 H0 i; c
E= "green"
! B/ A B. V( D% e9 T; `# |% kENDIF |
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