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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,
) j$ Q, u& c$ M7 {% q$ e  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.
3 [6 z' W. ?/ G. q( I  Loads are processed by each operator for the following time:
7 Q6 {2 e3 u: k2 A5 X  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
4 l8 E2 b8 o1 P  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.
& M( x, K  [) j1 W3 L  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.  B" n& y* \! O! B" X# 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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/ @- m( x( `$ j4 I. [: H  e: S问题:0 |' {* n. Y. x+ v8 h* `8 h+ z; I
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 o- P+ d0 u. H8 Fmove into Q_wait /*Capacity is infinte*/5 |+ K3 |/ u  D& ?  W$ @7 V
move into Q_process /*Single capacity*/; r+ }2 `  U1 B* z

7 S* F7 a) i8 p6 l! Huse R_A for n 60,10 min /*Resource A*/0 _+ L& m+ t  L( U
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send to P_B
+ t3 R( h4 J9 f: _- [; I: Gend( R7 R. c- U1 v6 A; `  m

$ u1 O) U! l/ ^& r2 d: e0 cP_B and P_C is similar
& |* F# \  ^4 w$ S, r9 gtriangular 30,60,90 min% A- b, k6 P0 Y4 `9 ~
u 60,30 min" P0 M2 S7 ~8 \
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' W2 r, @/ m+ A% Din P_C, you need to send to die.
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3 y6 ~8 f* K# e4 _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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5 p! S% C$ f  c& a+ p+ ]: ^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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