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[求助] 本人初学auto mod,有一道题目希望大家赐教

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发表于 2009-10-3 15:08:34 | 显示全部楼层 |阅读模式
刚刚开始学auto mod,这道题目搞不明白,希望大家看看 题目是这样的,1 a9 j1 W* p3 Q2 k& Y! b
  Create a new model containing three independent processes, each with one operator. In each process, loads first move into an infinite capacity waiting queue, then into a single-capacity processing queue.
7 O' x* G. u: r  Loads are processed by each operator for the following time:
* x. l$ K! {$ [; Q( G: g6 g  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
0 B4 O% `# {- @  Worker_B does the job according to a triangular distribution with a min of 30 mins, most likely value of 60 mins, and a max of 90 mins.
2 v1 Y& J- ~0 s  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.1 p! I. z8 R: i
Send loads to each pocess at the same rate (an exponentially distributed inter-arrival time with a mean of 68 mins) to understand the difference in the processing times of the three workers.
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; H8 {5 R$ V/ V( I问题:+ a7 g$ v! H$ D1 j; O
After running the model for 10,000 days, what was the average number of loads in each process?
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不胜感激!
发表于 2009-10-6 22:36:13 | 显示全部楼层
begin P_A arriving
3 O9 r4 S5 V- r: a  w; l+ emove into Q_wait /*Capacity is infinte*/( O5 h$ `+ |: y, ~. Z
move into Q_process /*Single capacity*/$ s' f. z' G- q  f3 z

5 }: ]! \& \0 ^2 _use R_A for n 60,10 min /*Resource A*// w; O! Z+ L6 \5 x+ k
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send to P_B: J, k: ]' o6 n& ^+ ~
end
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2 `" B. d- r! `" \8 q0 ^1 m8 DP_B and P_C is similar
3 e" c$ p8 F% Itriangular 30,60,90 min. \' q2 o5 V+ B  R7 V+ J
u 60,30 min' O9 c, _  O8 S1 f! d& |8 \) M/ y
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7 Z# @) z& v, [. l) N5 J  zin P_C, you need to send to die.
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! [  u  P6 M* ^- qThen You need to add a L_Control to drive up the whole simulation. and a Run Control of 10000 days.
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Remember to turn off the animation before you run your model.

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 楼主| 发表于 2009-10-27 23:53:02 | 显示全部楼层
thanks...
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