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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,  b1 ^( l* j  ~7 C
  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.* m9 F) M. F+ v6 c
  Loads are processed by each operator for the following time:
, J; P+ R6 k" }2 u/ i- H7 V  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
6 ]5 S# ^9 Y, g2 M  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.: R" p& u: h' J3 w4 z* J
  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.$ u* q% F( D$ R1 t  ^
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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2 J& C/ G6 J6 e1 ?! r3 d  e问题:% i) }3 p( M, \! N1 R8 w: y- c$ V
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& p3 d9 h0 ~8 _/ s( @/ J; b
move into Q_wait /*Capacity is infinte*/" O8 r. p* H5 Z  `( x
move into Q_process /*Single capacity*/+ M2 `8 `3 b/ g& s! A3 S
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use R_A for n 60,10 min /*Resource A*/7 S( W3 v+ [  y; P& n9 ]! t" Z3 o5 X
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send to P_B
! d' V# ~' w! G2 T" Qend
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* `/ [9 T6 h0 s$ D* EP_B and P_C is similar
* k* [/ Z+ q  B# R; Y2 n' J; \triangular 30,60,90 min& |& k. o( y3 D8 N5 B! m' G9 p
u 60,30 min$ ~5 m2 P5 v2 V, W& V% N1 q9 L' G
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2 T" |6 F2 _& z" ^# x- H4 fin P_C, you need to send to die.
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Then You need to add a L_Control to drive up the whole simulation. and a Run Control of 10000 days.
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, A. ?" ?+ y5 \/ u: Q" K% ?9 wRemember 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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