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Model 3 - Overview
Model building in “Layers”
Introduction of common modelling concepts
Dynamic routing decisions
Itemtypes
Labels
Statistical Distributions
Object Triggers
Global Tables
Build Model 3 in Four Phases
Phase 1: Create Flow
Create and verify flow with FixedResource Class objects only (neglect TaskExecuters).
Phase 2: Add TaskExecutors
Add TaskExecutors
Phase 3: Network Node Paths
Add a NetworkNode path to control the travel path of the Transporters.
Phase 4: Reporting
Add appropriate 3D reporting objects
Purpose
Learn how to assign and use labels on flowitems for routing and processing purposes. Learn how to use an empirical distribution to assign itemtypes.
Description
Parts arrive in a queue exponentially every 30 seconds. There are four part types (1,2,3,4) distributed (20%, 30%, 40%, 10%) respectively (see dempirical in FlexSim Command Summary).
The parts are processed on one of four machines. Each machine is dedicated to a single part type. The processing times at each machine is uniform(100,120) seconds for first time parts, and uniform(120,130) seconds for rework parts.
After the parts are machined, they are put in a queue and wait to be tested. The test time is a constant 10 seconds. Parts that pass, leave the model, failed parts are routed back to the first queue to be reworked. 10% of the parts fail.
Parts being reworked are given priority in the queue.
Questions & Bonus
Where is the bottleneck?
Can you change the color and shape of failed parts?
Add a TaskExecuter to carry parts from the test processor to their destination
中文
模型 3 –概述
分“层”建模
基本的建模概念
动态的路线决策
临时实体类型
标签
统计分布
实体触发器
全局表
建立模型 3 分为四步
步骤 1: 创建流程
使用固定实体类实体，创建并验证产品流程（忽略任务执行类部件）
步骤 2: 添加任务执行器
添加任务执行器
步骤 3: 网络节点路径
添加网路节点路径来控制运输工具运行路径
步骤 4: 报告
添加合适的3D报告实体
目的
从路线和加工的角度出发，学习如何在临时实体上设置和使用标签。学习如何使用empirical分布分配临时实体类型。.
描述
产品每隔30秒钟到达暂存区，服从指数分布。产品的类型分为4种(1,2,3,4) ，服从 (20%, 30%, 40%, 10%)分布 （查看Flexsim命令中的dempirical）.
产品到达一台处理器进行加工。每台设备加工一种类型的产品。首次加工的产品服从加工时间uniform(100,120)秒。第二次进行加工的产品加工时间为uniform(120,130)秒。
产品加工完毕之后，放置到暂存区内，等待检测。检测时间为10秒。检查通过的产品直接离开模型。不合格的产品会返回到第一个暂存区进行再次加工。不合格产品的比例为10%。
暂存区中，再次加工的产品具有优先级。
问题
瓶颈在哪里?
你可以改变不合格产品的颜色和外形吗?
添加一个任务执行器，将产品从检测台搬运到它们的目的地。
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发表于 2012-6-27 14:53:06
发表于 2012-6-27 22:21:49
楼主
发表于 2012-11-23 18:27:29
