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: 7173|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,
* `9 U* C1 o  L; n: b  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.
2 p; k. g% \3 j! e+ i+ P  Loads are processed by each operator for the following time:& r& O3 n, ~- v3 s
  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
7 ?5 z+ m- K4 v) l4 X0 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.  l7 \+ T; ^% V2 Y7 p1 y; u0 I
  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.* F( V3 J1 S& m+ i
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.
" u6 O7 f" L) D2 W3 g, O/ t' P, z" z) h6 Z/ \: x
问题:
9 H# [( w- R% V0 `, tAfter running the model for 10,000 days, what was the average number of loads in each process?% ]( W1 v  d$ ]' \$ d/ ?' E

' Z( O! M8 F. j* p9 _不胜感激!
发表于 2009-10-6 22:36:13 | 显示全部楼层
begin P_A arriving( `( V" J" o* \+ _: N+ e6 m
move into Q_wait /*Capacity is infinte*/& f+ Q5 A. y# K1 n1 f+ ?5 [
move into Q_process /*Single capacity*/
/ |( {) V9 r3 o. p5 e0 {- a4 f
4 U$ u9 B0 h; u( |use R_A for n 60,10 min /*Resource A*/* f/ ?. a0 I% r6 }8 E

2 q& {/ r2 v, u) Wsend to P_B! q2 P! Y2 u  C2 |; D) Z( H' j; z
end
7 @2 }- a& m% ~( g- x
" s- J1 d9 C. C! y' k  L6 [2 FP_B and P_C is similar
0 O' W9 g$ m* ^2 K5 o: Otriangular 30,60,90 min. K: q, o) D: W4 T$ F% ^& u$ }
u 60,30 min2 |0 ?( L4 q  |( _! Y

' ?9 o9 M3 y$ u* ^2 P' h; k; L9 @! n& d9 b# D% y
in P_C, you need to send to die.
7 B/ S6 [. ~! R) Q( U9 m6 _+ n/ h* |! T/ L
Then You need to add a L_Control to drive up the whole simulation. and a Run Control of 10000 days.
$ @" l7 F3 O! |7 ^- B( \$ E% w1 Y/ l+ k! [6 `, r( w

  a! k, u/ h" s. V8 U3 B/ ORemember 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, 2026-6-17 04:39 , Processed in 0.741273 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