本人初学auto mod,有一道题目希望大家赐教

daphanezhang

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，
  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.
  Loads are processed by each operator for the following time:
$ {  i2 ]1 W+ z6 E- U; f  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
2 X0 P0 }- K% N& f3 L  z' 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.
  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
  k; C  x6 b5 i1 h' F5 X- ]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.

; w3 m+ _% g9 ?, u  u- d/ @% {问题：
4 _1 O8 T$ p) @After running the model for 10,000 days, what was the average number of loads in each process?
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  G7 ~' b" q$ y" d( T6 h不胜感激！

YingliYuFeng

begin P_A arriving
move into Q_wait /*Capacity is infinte*/
: Y5 w% w" Z. T2 O1 pmove into Q_process /*Single capacity*/
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4 ?' W, R# M( |  |use R_A for n 60,10 min /*Resource A*/

8 v$ z7 w. [% Rsend to P_B
end
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8 @2 q" j6 |3 GP_B and P_C is similar
triangular 30,60,90 min
# X) F- j- g$ V5 ]5 e; A& ~u 60,30 min
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6 t6 X# G' ~4 h- p% p' ein P_C, you need to send to die.

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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Remember to turn off the animation before you run your model.

daphanezhang

thanks...