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，
+ ]- Z: g' J  G2 j( o  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:
  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
1 @( g8 x0 h: ~$ ^9 g7 ^, X  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.
, |: S) p5 h4 A) l, c# E  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
: d' N$ Y! |, [* S. hSend 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：
! a$ l( h5 |. f  NAfter running the model for 10,000 days, what was the average number of loads in each process?

不胜感激！

YingliYuFeng

begin P_A arriving
move into Q_wait /*Capacity is infinte*/
1 h7 N* S# l: o: }3 r3 ?- Bmove into Q_process /*Single capacity*/
  E) M2 a2 R) ]/ C
use R_A for n 60,10 min /*Resource A*/

send to P_B
$ o* q2 s- \7 @" Z$ Vend

P_B and P_C is similar
triangular 30,60,90 min
: p. j/ O/ o0 ^9 v! @& n; qu 60,30 min
6 w2 W# @# z* t8 c

. i* l- l, @9 ?& z! N/ t) x( ^in 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...