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: 7907|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,* Q1 b! `  K! z& R$ E+ N
  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./ [- H) Z0 o" r5 ^' n/ w& i# M
  Loads are processed by each operator for the following time:3 D8 J: }7 B. W
  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
& C* Z4 L1 P& `$ @+ J# C0 |  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.# |& d' J9 K1 }' w4 f
  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
4 ]' u3 u6 g+ E, ?8 F. }: _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.
4 m. C' g' k- h3 d: ?# I/ T0 X- z! T3 y& P* u5 W0 _, F
问题:+ X4 L  K: i5 W
After running the model for 10,000 days, what was the average number of loads in each process?, |. {1 h$ [6 @" t- [

  H0 W6 Y" A3 ~4 ], b% c不胜感激!
发表于 2009-10-6 22:36:13 | 显示全部楼层
begin P_A arriving2 o* v/ m) a$ {( I
move into Q_wait /*Capacity is infinte*/: k$ g% Z5 P, A/ D* o& u- U
move into Q_process /*Single capacity*/
( b# c5 Q9 j- a. Q0 e) q. c5 |3 l# n0 q* |" G
use R_A for n 60,10 min /*Resource A*/
! ?* g1 w6 n0 R6 Z* ^  e3 i! Z4 O' a6 q/ L: K' S6 H' I
send to P_B
2 I  d9 ?+ a' r. m' i6 j' tend/ c) s0 Y- O; Z4 Q8 n/ z) V

; i4 _" V0 z/ h8 eP_B and P_C is similar! W8 x$ A0 H  x* y  k- g) l. C
triangular 30,60,90 min
* R3 H! u& x7 i8 t  ^6 L, wu 60,30 min. R! w$ N: A, d8 Z7 C4 s& W4 D1 }

4 e  n# o$ ^" e6 ]/ M' C: _. q' [# {6 _- H! i
in P_C, you need to send to die.4 d  ^/ \+ u' v
1 L. x, W, N1 `# I' C' w" M
Then You need to add a L_Control to drive up the whole simulation. and a Run Control of 10000 days.% e8 w5 N8 k& {8 X9 g# M" M
3 r" _9 D/ i5 U( Q2 D- @) {8 Y0 v
9 P% E$ ^: Q9 ]
Remember 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, 2026-8-17 09:20 , Processed in 0.018545 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