设为首页收藏本站

最大的系统仿真与系统优化公益交流社区

 找回密码
 注册

QQ登录

只需一步,快速开始

查看: 6898|回复: 2

[求助] 本人初学auto mod,有一道题目希望大家赐教

[复制链接]
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" J+ [4 D& J; p
  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.
5 U0 V' D: m' C" Y) J- V# i  Loads are processed by each operator for the following time:
7 q: r# M( h5 D" P' G" R* Y  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.! _& ~! c3 j# l) V9 Y
  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.
  l2 g& Z/ k) k/ c  R& g  Worker_C does the job in a uniformly distributed time between 30 and 90 mins./ Z* e( T1 ^( h  S3 I+ r* z$ ^8 l
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.5 I+ ?6 w* ?/ G4 X6 u3 z3 O; A7 d
& r* B% R; x6 m: g' l7 I5 Y$ k! D
问题:, T6 ]# ^% {) |; B! P1 Z
After running the model for 10,000 days, what was the average number of loads in each process?
" t4 ^$ L( V$ D) F
0 D; a! x% ?- B6 r不胜感激!
发表于 2009-10-6 22:36:13 | 显示全部楼层
begin P_A arriving
6 r# E6 t1 ^7 a) d2 a( j( dmove into Q_wait /*Capacity is infinte*/
8 v+ n. ^* X$ C1 Q0 s" Emove into Q_process /*Single capacity*/( q1 [( P! k; y0 f3 l2 g

8 ?0 E* K) X4 y7 Ruse R_A for n 60,10 min /*Resource A*/" R$ S7 }2 O  P
4 z. S! @% }. ~0 ~
send to P_B( c3 H5 V- A0 N" B9 D
end0 M! i7 x  Q/ o9 v3 D, T( y

5 B! S. i( h4 I6 eP_B and P_C is similar, z. F/ v4 f$ K1 {$ `7 X
triangular 30,60,90 min! r( G# a7 S  h% v. }( E. n
u 60,30 min: D9 V& F+ M. Y/ o
. ^8 C- V& \  w. M
. i( L! i; P; N* j
in P_C, you need to send to die.% M# f) B3 f, w# f) m$ j
) s* T0 t4 T8 E0 ]7 ]. @
Then You need to add a L_Control to drive up the whole simulation. and a Run Control of 10000 days.. q3 n' t4 k2 J! p$ x" i0 j

2 b* V7 j& a2 U* P
* a* F$ e; n, s/ H+ QRemember to turn off the animation before you run your model.

评分

参与人数 1仿真币 +12 收起 理由
shakie + 12

查看全部评分

 楼主| 发表于 2009-10-27 23:53:02 | 显示全部楼层
thanks...
您需要登录后才可以回帖 登录 | 注册

本版积分规则

QQ|Archiver|手机版|SimulWay 道于仿真   

GMT+8, 2026-5-18 09:35 , Processed in 0.017009 second(s), 16 queries .

Powered by Discuz! X3.4 Licensed

© 2001-2017 Comsenz Inc.

快速回复 返回顶部 返回列表