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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,
- a3 C' m+ W7 B4 v' S' y1 X  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.& l5 l8 q% P5 j( d, L8 F# x" x0 v
  Loads are processed by each operator for the following time:
. @' X/ D1 \- H( w  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
8 P; W2 ?- j- S3 n/ u0 `  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.
8 Z( F& d" J# B* l: X4 t  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.% f; M# Q, ?& `3 A- f
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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$ e, I  u! h2 t. U: B, R6 Q问题:: w  I$ y4 D6 u/ W8 s' o( u
After running the model for 10,000 days, what was the average number of loads in each process?
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$ f* A# Q% [" e不胜感激!
发表于 2009-10-6 22:36:13 | 显示全部楼层
begin P_A arriving
) D" A" m, O- K/ n+ y3 q& Imove into Q_wait /*Capacity is infinte*/
4 L. B$ x4 C* l4 W! Z* ]* b- `move into Q_process /*Single capacity*/
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use R_A for n 60,10 min /*Resource A*/
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' B+ K) i, K5 Y: [( Fsend to P_B
) F. I0 y( p" U) t8 E+ T  iend
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P_B and P_C is similar0 S1 U5 X& Z$ }" ^
triangular 30,60,90 min
) G. G% Y0 D# J: O0 m( z; Iu 60,30 min
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in P_C, you need to send to die.6 r# g  y5 W: l2 W& T; K+ H7 Y
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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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$ w. K, ^2 l- CRemember 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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