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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?- @* H& G c" B5 O$ n
! I$ I) t) c: l1 y% I+ Y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):
- l( k/ c: G A- m车床:
9 B& ~9 S% M$ g% Z& Waction on finish:
, D' N/ ~, }: j0 U% QIF RANDOM (1) <= 0.05 1 f( t" D5 ?$ Z2 b' F4 v- y, \
PEN = 10 D) M# W8 G9 s
C = "pink"
& k; \+ x; H/ r+ V* pENDIF / j! V% H* {* l3 Q- S
; g2 A& I) A' ?& N- K铣床:+ T' z0 }; A, S e. O$ G
action on finish:& ?: N3 y$ d# ], L! o
IF RANDOM (2) <= 0.05
" B. y4 V, ~. w% c- ]1 v: U$ s PEN = 2# ^/ M- {& t$ u& L+ y1 i
D = "yellow"& f/ l! S1 I! G, D
ENDIF
: e' v8 y6 L2 Z3 B
) a- T0 x1 {4 X; l磨床:! i9 m+ u; [" Y4 q `
action on finish:& H, @7 g6 K9 L; V0 `+ Z
IF RANDOM (3) <= 0.05 0 z$ P; O& h; \( s4 ~/ e
PEN =3
9 S; _+ \3 g: P- ^6 z+ J E= "green", v! J* S/ B B
ENDIF |
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