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，
7 u  t/ b5 b9 y- m# e. o4 f  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.
! o1 Q2 |# ]; Q  Loads are processed by each operator for the following time:
" t- {* V  Q% N" _; B; s# [  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
  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.
" I- d- t# g* H2 X- s* P+ b  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
3 X9 Q& V. \$ R+ L, e: ]  B% o( mSend 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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+ [% @& d  a- E) W: c9 K8 W问题：
After running the model for 10,000 days, what was the average number of loads in each process?

7 T: I/ K, u+ W& t% w* H- Q) G) T不胜感激！

YingliYuFeng

begin P_A arriving
/ _0 P9 V9 {3 `  J/ S1 Jmove into Q_wait /*Capacity is infinte*/
move into Q_process /*Single capacity*/

use R_A for n 60,10 min /*Resource A*/

send to P_B
end
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P_B and P_C is similar
triangular 30,60,90 min
u 60,30 min
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9 P( r) C9 i5 N' S! Yin 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...