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，
$ c& O* K2 h7 J  @+ H  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.
! X3 y& X" S! w  Loads are processed by each operator for the following time:
7 k& S& E+ C; ?9 U; 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.
  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
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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问题：
After running the model for 10,000 days, what was the average number of loads in each process?
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' \8 e  T* [! c不胜感激！

YingliYuFeng

begin P_A arriving
9 g; P+ I7 {. d6 u: Dmove into Q_wait /*Capacity is infinte*/
move into Q_process /*Single capacity*/
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use R_A for n 60,10 min /*Resource A*/
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send to P_B
end
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$ Q8 z2 q9 b- s7 J; O" @0 qP_B and P_C is similar
triangular 30,60,90 min
) W( a; z) u6 Q/ b! Xu 60,30 min
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in 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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Remember to turn off the animation before you run your model.

daphanezhang

thanks...