Using Simulink     Search    Help Desk 

Getting Started

To the Reader

What Is Simulink?

How to Use This Manual

Application Toolboxes

The Simulink Real-Time Workshop

Key Features

The Real-Time Workshop Ada Extension

Key Features

Blocksets

The DSP Blockset

The Fixed-Point Blockset

The Nonlinear Control Design Blockset

The Power System Blockset

Quick Start

Running a Demo Model

Description of the Demo

Some Things to Try

What This Demo Illustrates

Other Useful Demos

Building a Simple Model

Creating a Model

Starting Simulink

Creating a New Model

Editing an Existing Model

Entering Simulink Commands

Simulink Windows

Zooming Block Diagrams

Selecting Objects

Selecting One Object

Selecting More than One Object

Blocks

Block Data Tips

Virtual Blocks

Copying and Moving Blocks from One Window to Another

Moving Blocks in a Model

Duplicating Blocks in a Model

Specifying Block Parameters

Block Properties Dialog Box

Deleting Blocks

Changing the Orientation of Blocks

Resizing Blocks

Manipulating Block Names

Displaying Parameters Beneath a Block's Icon

Disconnecting Blocks

Vector Input and Output

Scalar Expansion of Inputs and Parameters

Assigning Block Priorities

Using Drop Shadows

Libraries

Terminology

Creating a Library

Modifying a Library

Copying a Library Block into a Model

Updating a Linked Block

Breaking a Link to a Library Block

Finding the Library Block for a Reference Block

Getting Information About Library Blocks

Browsing Block Libraries

Lines

Drawing a Line Between Blocks

Drawing a Branch Line

Drawing a Line Segment

Displaying Line Widths

Inserting Blocks in a Line

Signal Labels

Setting Signal Properties

Signal Properties Dialog Box

Annotations

Working with Data Types

Data Types Supported by Simulink

Block Support for Data and Numeric Signal Types

Specifying Block Parameter Data Types

Creating Signals of a Specific Data Type

Displaying Port Data Types

Data Type Propagation

Data Typing Rules

Enabling Strict Boolean Type Checking

Typecasting Signals

Typecasting Parameters

Working with Complex Signals

Summary of Mouse and Keyboard Actions

Creating Subsystems

Creating a Subsystem by Adding the Subsystem Block

Creating a Subsystem by Grouping Existing Blocks

Labeling Subsystem Ports

Using Callback Routines

Tips for Building Models

Modeling Equations

Converting Celsius to Fahrenheit

Modeling a Simple Continuous System

Saving a Model

Printing a Block Diagram

Print Dialog Box

Print Command

Specifying Paper Size and Orientation

Positioning and Sizing a Diagram

The Model Browser

Using the Model Browser on Windows

Using the Model Browser on UNIX

Tracking Model Versions

Specifying the Current User

Model Properties Dialog

Creating a Model Change History

Version Control Properties

Ending a Simulink Session

Running a Simulation

Introduction

Using Menu Commands

Running a Simulation from the Command Line

Running a Simulation Using Menu Commands

Setting Simulation Parameters and Choosing the Solver

Applying the Simulation Parameters

Starting the Simulation

Simulation Diagnostics Dialog Box

The Simulation Parameters Dialog Box

The Solver Page

The Workspace I/O Page

The Diagnostics Page

Improving Simulation Performance and Accuracy

Speeding Up the Simulation

Improving Simulation Accuracy

Running a Simulation from the Command Line

Using the sim Command

Using the set_param Command

sim

simset

simget

Analyzing Simulation Results

Viewing Output Trajectories

Using the Scope Block

Using Return Variables

Using the To Workspace Block

Linearization

Equilibrium Point Determination

linfun

trim

Using Masks to Customize Blocks

Introduction

A Sample Masked Subsystem

Creating Mask Dialog Box Prompts

Creating the Block Description and Help Text

Creating the Block Icon

Summary

The Mask Editor: An Overview

The Initialization Page

Prompts and Associated Variables

Control Types

Default Values for Masked Block Parameters

Tunable Parameters

Initialization Commands

The Icon Page

Displaying Text on the Block Icon

Displaying Graphics on the Block Icon

Displaying Images on Masks

Displaying a Transfer Function on the Block Icon

Controlling Icon Properties

The Documentation Page

The Mask Type Field

The Block Description Field

The Mask Help Text Field

Creating Dynamic Dialogs for Masked Blocks

Setting Masked Block Dialog Parameters

Predefined Masked Dialog Parameters

Conditionally Executed Subsystems

Introduction

Enabled Subsystems

Creating an Enabled Subsystem

Blocks an Enabled Subsystem Can Contain

Triggered Subsystems

Creating a Triggered Subsystem

Function-Call Subsystems

Blocks That a Triggered Subsystem Can Contain

Triggered and Enabled Subsystems

Creating a Triggered and Enabled Subsystem

A Sample Triggered and Enabled Subsystem

Creating Alternately Executing Subsystems

Block Reference

What Each Block Reference Page Contains

Simulink Block Libraries

Abs

Algebraic Constraint

Backlash

Band-Limited White Noise

Bus Selector

Chirp Signal

Clock

Combinatorial Logic

Complex to Magnitude-Angle

Complex to Real-Imag

Configurable Subsystem

Constant

Coulomb and Viscous Friction

Data Store Memory

Data Store Read

Data Store Write

Data Type Conversion

Dead Zone

Demux

Derivative

Digital Clock

Discrete Filter

Discrete Pulse Generator

Discrete State-Space

Discrete-Time Integrator

Discrete Transfer Fcn

Discrete Zero-Pole

Display

Dot Product

Enable

Fcn

First-Order Hold

From

From File

From Workspace

Function-Call Generator

Gain

Goto

Goto Tag Visibility

Ground

Hit Crossing

IC

Inport

Integrator

Logical Operator

Look-Up Table

Look-Up Table (2-D)

Magnitude-Angle to Complex

Manual Switch

Math Function

MATLAB Fcn

Matrix Gain

Memory

Merge

MinMax

Model Info

Multiport Switch

Mux

Outport

Product

Probe

Pulse Generator

Quantizer

Ramp

Random Number

Rate Limiter

Real-Imag to Complex

Relational Operator

Relay

Repeating Sequence

Rounding Function

Saturation

Scope

Selector

S-Function

Sign

Signal Generator

Sine Wave

Slider Gain

State-Space

Step

Stop Simulation

Subsystem

Sum

Switch

Terminator

To File

To Workspace

Transfer Fcn

Transport Delay

Trigger

Trigonometric Function

Uniform Random Number

Unit Delay

Variable Transport Delay

Width

XY Graph

Zero-Order Hold

Zero-Pole

Additional Topics

How Simulink Works

Zero Crossings

Algebraic Loops

Invariant Constants

Discrete-Time Systems

Discrete Blocks

Sample Time

Purely Discrete Systems

Multirate Systems

Sample Time Colors

Mixed Continuous and Discrete Systems

Model Construction Commands

Introduction

How to Specify Parameters for the Commands

How to Specify a Path for a Simulink Object

add_block

add_line

bdclose

bdroot

close_system

delete_block

delete_line

find_system

gcb

gcbh

gcs

get_param

new_system

open_system

replace_block

save_system

set_param

simulink

Simulink Debugger

Introduction

Using the Debugger

Starting the Debugger

Getting Help

Entering Commands

About Block Indexes

Accessing the MATLAB Workspace

Running a Simulation Incrementally

Stepping by Blocks

Stepping by Time Steps

Stepping by Breakpoints

Running a Simulation Nonstop

Setting Breakpoints

Breaking at Blocks

Breaking at Time Steps

Breaking on Nonfinite Values

Breaking on Step-Size Limiting Steps

Breaking at Zero-Crossings

Displaying Information About the Simulation

Displaying Block I/O

Displaying Algebraic Loop Information

Displaying System States

Displaying Integration Information

Displaying Information About the Model

Displaying a Model's Block Execution Order

Displaying a Block

Displaying a Model's Nonvirtual Systems

Displaying a Model's Nonvirtual Blocks

Displaying Blocks with Potential Zero-Crossings

Displaying Algebraic Loops

Displaying Debug Settings

Debugger Command Reference

ashow

atrace

bafter

break

bshow

clear

continue

disp

help

ishow

minor

nanbreak

next

probe

quit

run

slist

states

systems

status

step

stop

tbreak

trace

undisp

untrace

xbreak

zcbreak

zclist

Model and Block Parameters

Introduction

Model Parameters

Common Block Parameters

Block-Specific Parameters

Mask Parameters

Model File Format

Model File Contents

Model Section

BlockDefaults Section

AnnotationDefaults Section

System Section

A Sample Model File



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