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: 8049|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,* J+ j8 n' Y4 t0 s3 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.) O2 b7 ?* i  H4 ]
  Loads are processed by each operator for the following time:
7 f& M5 ^$ P+ `  Y) f  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins., M! U" d6 m( I8 G: n. b
  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.
+ y+ r( V4 t! F; Z" Q7 @1 Q' L  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
: c$ t% U4 ^: b7 E: KSend 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.& J1 ]( a+ t( S1 Z% F

: a& ?, X  J1 h, e" _! I0 s+ s  e问题:" a( o5 U# `# A9 F+ l
After running the model for 10,000 days, what was the average number of loads in each process?
; d& C, U+ q# ^% t
# U) N% Y+ F% z6 a1 b; n. \$ y不胜感激!
发表于 2009-10-6 22:36:13 | 显示全部楼层
begin P_A arriving
; i% o8 h) x* d6 ?move into Q_wait /*Capacity is infinte*/1 h2 e/ B6 d) O- c+ e- b9 G2 X# I
move into Q_process /*Single capacity*/
+ J7 ?# ]* ?6 J# J/ m  ]
! @/ |  a. G7 s! q* V* o, U8 w4 X# [5 Euse R_A for n 60,10 min /*Resource A*/
: C* a/ W  S- M7 w# u4 r3 G6 z0 d4 j( d
send to P_B
) n4 m1 l, @: q# G: dend9 [9 g* Q9 R0 B

% p, `* ]$ a7 P3 W5 `; x: lP_B and P_C is similar' ]) w$ U; d/ k
triangular 30,60,90 min
. A* X* W2 y. W( yu 60,30 min
: W9 R6 r- K- k0 J6 n
  b' {/ E. g& r0 ?, R% [0 P5 P5 A7 B/ k8 m# A) v8 b2 c
in P_C, you need to send to die.) h& Y  I1 l2 A- v
' i' J2 L8 x4 @/ g# z' G, u
Then You need to add a L_Control to drive up the whole simulation. and a Run Control of 10000 days.6 {' y; p" w6 v! s( r  [* l
- ]6 s- @, |( [

' K. f# ]: t! j2 ^% u# D3 @) RRemember 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, 2026-9-2 05:30 , Processed in 0.020511 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