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2 Building Simple Models with SimEvents Software

2-2

Build a Discrete-Event Model

In this section...

“Overview” on page 2-2

“Open a Model and Libraries” on page 2-3

“Move Blocks into the Model Window” on page 2-5

“Configure Blocks” on page 2-10

“Connect Blocks” on page 2-13

“Run the Simulation” on page 2-13

“Insert Blocks” on page 2-15

“Build a Model Using Model Construction Commands” on page 2-15

Overview

This section describes how to build a new model representing a discrete-event system.

The system is a simple queuing system in which “customers” — entities — arrive at a

fixed deterministic rate, wait in a queue, and advance to a server that operates at a fixed

deterministic rate. This type of system is known as a D/D/1 queuing system in queuing

notation. The notation indicates a deterministic arrival rate, a deterministic service rate,

and a single server.

Using the example system, this section shows you how to perform basic model-building

tasks, such as:

• Adding blocks to models

• Configuring blocks using their parameter dialog boxes

The next section, “Explore Simulations Using the Debugger and Plots” on page 2-17,

uses the same D/D/1 system to illustrate techniques more specific to discrete-event

simulations, such as:

• Using the SimEvents debugger to examine the state of a server

• Using plots to understand simulation behavior, including plots that show multiple

values at a fixed time

To skip the model-building steps and open a completed version of the example model,

enter simeventsdocex('doc_dd1') in the MATLAB Command Window. Save the model in

your working folder as dd1.

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MATLAB SIMEVENTS RELEASE NOTES Guía de usuario Pagina 24