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: 8007|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,
" z1 c8 I+ P( G1 S( h9 ~, 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.
# u/ f' U, b$ n! o1 \  Loads are processed by each operator for the following time:
! Y% q$ `% l% E. T  i6 k  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.; I9 O& [6 l/ [' p* ~& w
  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.
6 U$ l8 c& W: @  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
- O# W1 p8 w# w# W6 V- Z# R6 PSend 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.
& X: R( C9 e9 `2 ~$ i" h7 Y2 u. [9 P2 |" `" ]9 E# _4 n
问题:. c3 I: @* }% d
After running the model for 10,000 days, what was the average number of loads in each process?
3 `# Q5 ~9 t* t. e6 E/ n
$ G$ R; y1 V) c* ?, M不胜感激!
发表于 2009-10-6 22:36:13 | 显示全部楼层
begin P_A arriving  Y1 x2 c! U0 T, o% R5 X+ X" [
move into Q_wait /*Capacity is infinte*/
( s/ h" y( H: O. R/ t, Omove into Q_process /*Single capacity*/1 a( o, j. e/ ]- S
9 _% x2 N+ m. J# A( I
use R_A for n 60,10 min /*Resource A*/" F1 O# o5 T& I* M; I8 @$ ~1 F

7 t, Q$ D* N# Jsend to P_B( J4 H! P7 z5 C; D/ z
end9 J$ V  Z) p) `" [1 c0 O9 j

1 u; g. X3 y  N' A  [) AP_B and P_C is similar0 T3 d$ A  y. {4 z) U, N
triangular 30,60,90 min
. v+ E1 w' ^! x1 Vu 60,30 min
- F9 @( D2 d  X9 l" n
9 w) v# p& C0 l5 D9 s) Z' W: y9 M) r
in P_C, you need to send to die.
* H1 e% a) A+ P$ A; U8 v" R8 ]: f* x7 D+ R: y  L# A
Then You need to add a L_Control to drive up the whole simulation. and a Run Control of 10000 days.0 o7 p1 D3 Y( P% w6 Q' T6 V
7 t- M- v3 \* N  y: |6 y5 {4 m8 J9 \
1 z) Z; R. s9 _4 f" [
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, 2026-8-28 20:13 , Processed in 0.014922 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