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: 8072|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,
, K6 _1 i+ _; O* j" E  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.
% ]8 x" K+ ?0 V4 Y6 T: c  Loads are processed by each operator for the following time:3 Z/ _; Q: y5 b% h7 r5 _5 `
  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
& Z% g* z9 c+ b! G+ z  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.
' C0 L1 n& P6 a  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
1 j! L8 `6 `8 `" P3 ESend 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.
& i# E& |- c) E
" E- v! |) M. o问题:
9 P5 g( b% `/ C4 T- ~5 fAfter running the model for 10,000 days, what was the average number of loads in each process?
  }0 ~% O  W! O$ a
- u  W- v+ ~' r7 \6 P) [不胜感激!
发表于 2009-10-6 22:36:13 | 显示全部楼层
begin P_A arriving9 A! m8 m$ e" `) E  q( V0 m: h2 K
move into Q_wait /*Capacity is infinte*/. q7 l- m; \( H9 t+ [( _
move into Q_process /*Single capacity*/
' s4 l% H6 J1 W; o% M$ ^' W6 z5 h( K
use R_A for n 60,10 min /*Resource A*/) f: G+ l, ]/ A
9 z; T/ E* y# ?
send to P_B/ L& G, @0 |* x1 Y% U
end
% F$ D9 q) Z- b. A+ n, {8 y1 F
" @5 ~2 u8 @9 u6 \$ ~P_B and P_C is similar7 C3 E9 o+ r9 g
triangular 30,60,90 min( ]! d' w$ `& Z2 C2 c" y. k& ^
u 60,30 min
( V) D" C7 ?" q$ }6 J7 r
4 q1 `, ~0 g% Y9 [+ v) g. s" N- _  D" t2 L! |  b
in P_C, you need to send to die.; P: J0 D) B8 A/ \% h

6 U; ^& u/ f& d  s; n* h. eThen You need to add a L_Control to drive up the whole simulation. and a Run Control of 10000 days.
1 X9 Z7 A: ?( B
; E) M3 z1 c. B2 K+ W  i3 o# \% e) M" \7 f! J
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, 2026-9-3 21:37 , Processed in 0.016261 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