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   源码介绍

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Contents
Getting Started
1
Product Overview ................................. 1-2
Real-Time Workshop® Code Generation Support ........ 1-2
Embedded MATLAB™ Function Support .............. 1-2
Related Products .................................. 1-4
Requirements for the Aerospace Blockset™ Product ..... 1-4
Other Related Products ............................ 1-4
Running a Demo Model ............................ 1-5
Introduction ...................................... 1-5
What This Demo Illustrates ......................... 1-5
Opening the Model ................................ 1-6
Key Subsystems .................................. 1-7
Running the Demo ................................ 1-10
Modifying the Model ............................... 1-12
Learning More .................................... 1-17
Using the MATLAB® Help System for Documentation and
Demos ........................................ 1-17
Finding Aerospace Blockset™ Help ................... 1-18
Using the Aerospace Blockset™ Software
2
Introducing the Aerospace Blockset™ Libraries ...... 2-2
Introduction ...................................... 2-2
Opening the Aerospace Blockset™ Library in Microsoft®
Windows® Systems .............................. 2-2
Opening the Aerospace Blockset™ Library on UNIX®
Platforms ...................................... 2-4
Summary of Aerospace Blockset™ Libraries ........... 2-5
v
Creating Aerospace Models ......................... 2-9
Basic Steps ....................................... 2-9
Model Referencing Limitations ...................... 2-10
Building a Simple Actuator System .................. 2-11
Building the Model ................................ 2-11
Running the Simulation ............................ 2-19
About Aerospace Coordinate Systems ............... 2-21
Fundamental Coordinate System Concepts ............ 2-21
Coordinate Systems for Modeling .................... 2-23
Coordinate Systems for Navigation ................... 2-25
Coordinate Systems for Display ...................... 2-28
References ....................................... 2-29
Introducing the Flight Simulator Interface .......... 2-31
About the FlightGear Interface ...................... 2-31
Obtaining FlightGear .............................. 2-31
Configuring Your Computer for FlightGear ............ 2-32
Installing and Starting FlightGear ................... 2-35
Working with the Flight Simulator Interface ......... 2-37
Introduction ...................................... 2-37
About Aircraft Geometry Models ..................... 2-38
Working with Aircraft Geometry Models ............... 2-40
Running FlightGear with the Simulink® Models ........ 2-43
Running the NASA HL-20 Demo with FlightGear ....... 2-52
Case Studies
3
Ideal Airspeed Correction .......................... 3-2
Introduction ...................................... 3-2
Airspeed Correction Models ......................... 3-2
Measuring Airspeed ............................... 3-3
Modeling Airspeed Correction ....................... 3-4
Simulating Airspeed Correction ...................... 3-7
1903 Wright Flyer .................................. 3-9
vi Contents
Introduction ...................................... 3-9
Wright Flyer Model ................................ 3-10
Airframe Subsystem ............................... 3-10
Environment Subsystem ............................ 3-14
Pilot Subsystem ................................... 3-15
Running the Simulation ............................ 3-15
References ....................................... 3-17
NASA HL-20 Lifting Body Airframe .................. 3-18
Introduction ...................................... 3-18
NASA HL-20 Lifting Body .......................... 3-18
The HL-20 Airframe and Controller Model ............. 3-19
References ....................................... 3-32
Missile Guidance System ........................... 3-33
Introduction ...................................... 3-33
Missile Guidance System Model ...................... 3-33
Modeling Airframe Dynamics ........................ 3-34
Modeling a Classical Three-Loop Autopilot ............. 3-41
Modeling the Homing Guidance Loop ................. 3-43
Simulating the Missile Guidance System .............. 3-49
Extending the Model ............................... 3-51
References ....................................... 3-52
Block Reference
4
Actuators ......................................... 4-2
Aerodynamics ..................................... 4-2
Animation ........................................ 4-2
MATLAB-Based Animation ......................... 4-3
Flight Simulator Interfaces ......................... 4-3
Animation Support Utilities ......................... 4-3
Environment ...................................... 4-4
Atmosphere ...................................... 4-4
Gravity & Magnetism .............................. 4-5
vii
Wind ............................................ 4-5
Flight Parameters ................................. 4-6
Equations of Motion ............................... 4-6
Three DoFs ...................................... 4-7
Six DoFs ......................................... 4-7
Point Masses ..................................... 4-9
Guidance, Navigation, and Control .................. 4-10
Control .......................................... 4-10
Guidance ........................................ 4-12
Navigation ....................................... 4-12
Mass Properties ................................... 4-12
Propulsion ........................................ 4-12
Utilities ........................................... 4-13
Axes Transformations .............................. 4-13
Math Operations .................................. 4-14
Unit Conversions .................................. 4-15
Blocks — Alphabetical List
5
Aerospace Units
A
Index