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: 5611|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,
% u  o: D# q0 Q  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- f5 Y% U1 }. ^9 N
  Loads are processed by each operator for the following time:) x5 |. l  p# q
  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.. l7 C( y" }- @" R+ F; A
  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 X; G4 K) R, Q5 e1 ?. O" i  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.7 Z6 z7 Q1 V' x$ A3 I3 b8 G, W
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.& ?$ n# {5 B0 [3 W5 [
1 B/ N$ u% a3 r8 s  D) Y  E, I
问题:
2 t/ p7 [7 P! c6 _" O3 r0 vAfter running the model for 10,000 days, what was the average number of loads in each process?
! ^0 E' N& ?+ S& A0 \
, b, {8 ^8 o" Y7 K3 ^* \. k不胜感激!
发表于 2009-10-6 22:36:13 | 显示全部楼层
begin P_A arriving+ _" H0 f% I- p# R) I: F
move into Q_wait /*Capacity is infinte*/# V, n( o' s) J  q; }# N8 i0 U5 z
move into Q_process /*Single capacity*/
6 p! Q- u( A' [/ L1 i4 I8 Z5 T* ~; e8 m4 G" q
use R_A for n 60,10 min /*Resource A*/; w+ I& W( w% r. }/ r4 d9 G7 ?

* }6 d! C! u' Q  o4 X+ f9 Gsend to P_B
$ B  ~. K& X* T& v( Z" W/ q( k" cend  u* X3 n% h& `- O; Y5 g$ L
3 T& J3 N1 D5 [6 j" G6 R4 ^
P_B and P_C is similar
! F: Z, y5 r9 Q! Y( ztriangular 30,60,90 min
  f3 a& B* B( F- i4 du 60,30 min2 F/ |, L+ j# a" I0 @! {' J
- F$ D. F- x2 n- G0 g
* }5 |: B5 A( K( i* E
in P_C, you need to send to die.$ r& T& u" N7 t" u8 B9 }* A6 c4 P

/ {8 j6 A* |& D: ?4 dThen You need to add a L_Control to drive up the whole simulation. and a Run Control of 10000 days.
. y$ V/ a2 p' B- D+ b4 i) |$ [6 O

5 v! P# ~: `' ^: D, wRemember 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, 2025-11-19 19:18 , Processed in 0.029147 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