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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,
) a. X% a+ ?. A* v$ u: j  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." w+ C* o) X; ~; J" r% B$ @
  Loads are processed by each operator for the following time:
: Z0 q) d; }9 I1 w6 f. Z0 k$ H: v  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.6 S; m0 {; y5 U7 y: B3 p$ O
  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: W( ?9 \: Q% N/ e
  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
0 ]& Q: P+ v4 A- WSend 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.$ m* N0 R8 }. v  X* }" A+ z. {

+ J# ]7 o# s1 k+ l# S5 u; n/ |' x问题:9 N) D0 Q1 s- T! J1 \
After running the model for 10,000 days, what was the average number of loads in each process?
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不胜感激!
发表于 2009-10-6 22:36:13 | 显示全部楼层
begin P_A arriving
( l0 |$ e+ E& j0 Wmove into Q_wait /*Capacity is infinte*/1 p, f9 _' J& D7 V' n
move into Q_process /*Single capacity*/* U9 \+ \2 ]- F

* Q+ \5 i9 z7 s1 _0 z" v, [use R_A for n 60,10 min /*Resource A*/
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send to P_B
& ~0 h8 Z& W$ m2 w6 y2 l- Nend3 t! m; d8 X( q) J$ z

8 [# N- M# d! d, f. XP_B and P_C is similar
( R5 d: R4 j  o2 E) Ptriangular 30,60,90 min; H( }7 Z) {; p8 _1 g7 a
u 60,30 min
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& G& r! W2 u1 n% @in P_C, you need to send to die.
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- P0 {7 G- q- E  s; xThen You need to add a L_Control to drive up the whole simulation. and a Run Control of 10000 days.9 Y: ?% o3 a1 Q) d

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Remember 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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