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首页MATLAB/Simulink在电机驱动分析、控制与建模中的应用详解

MATLAB/Simulink在电机驱动分析、控制与建模中的应用详解

电机控制

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《高级电动驱动：MATLAB/Simulink®分析、控制与建模》是一本专为电气工程专业人士编写的深入指南，由Ned Mohan 著。该书专注于现代电机驱动系统的高级技术，覆盖了直流电机（DC motors）、交流同步电机（AC synchronous motors）、交流异步电机（AC asynchronous motors）和开关磁阻电机（switched reluctance motors）的建模与控制。书中不仅阐述了电机驱动的核心原理，还涉及理想旋转变压器（ideal transformer modeling）和通用磁场定向（generalized coordinate frame orientation, G-CFM）等概念。内容安排上，作者注重逻辑性与实用性相结合，从基础知识开始，逐步提升读者对电机控制的理解，确保读者能够掌握从基础到进阶的技术。通过实例演示，书中的控制策略和技术结构清晰地展示出来，使得读者可以应用所学于实际工程场景中，实现对电机驱动系统的高效分析和控制。 MATLAB/Simulink®是书中不可或缺的工具，作者利用这两个强大的软件平台，帮助读者理解和实现复杂的电机控制系统设计。《高级电动驱动》强调理论与实践的结合，旨在培养读者运用MATLAB编程技能进行系统仿真和实时控制设计的能力。同时，书中的内容和可下载的软件包需遵守The MathWorks的版权许可，使用时应确保遵守相关条款，因为书中提及的MATLAB软件的使用或讨论并不构成对特定用途的推荐或赞助。对于想要深入了解电机驱动控制、学习MATLAB/Simulink®在电机系统中的应用以及寻求最新技术解决方案的专业人士来说，《高级电动驱动：MATLAB/Simulink®分析、控制与建模》是一本不可多得的参考资料。通过阅读这本书，读者不仅能提升电机驱动领域的专业知识，还能提升计算机辅助工程（CAD）和模拟仿真技能。

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xiv PREFACE

seamlessly from the treatment of space vectors and the equivalent

winding representations in steady state in the previous course and the

textbook mentioned earlier.

For discussion of all topics in this course, computer simulations are

a necessity. For this purpose, I have chosen MATLAB/Simulink

for

the following reasons: a student-version that is more than sufcient

for our purposes is available at a very reasonable price, and it takes

extremely short time to become procient in its use. Moreover, this

same software simplies the development of a real-time controller of

drives in the hardware laboratory for student experimentation—such

a laboratory using 42-V machines is developed using digital control and

promoted by the University of Minnesota. The MATLAB and Simulink

les used in examples are included on the accompanying website to this

textbook: www.wiley.com/go/advancedelectricdrives.

As a nal note, this textbook is not intended to cover power electron-

ics and control theory. Rather, the purpose of this book is to analyze

electric machines in a way that can be interfaced to well-known power

electronic converters and controlled using any control scheme, the

simplest being proportional-integral control, which is used in this

textbook.

N M

University of Minnesota

1. Variables that are functions of time

v, i, λ

2. Peak values (of time-varying variables)

3. Phasors

V V

= ∠

θ , I I

= ∠

4. Space vectors



H t( ),



B t( ),



F t

( ),



v t Ve

( ) =



i t Ie

( ) =



λ λ

( )t e

For space vectors, the exponential notion is used where,

e j e j

j jθ θ

θ θ θ θ θ θ= ∠ = + = ∠ = +1 1cos sin cos sin .

Note that both phasors and space vectors, two distinct quantities, have

their peak values indicated by “.”

SUBSCRIPTS

Stator phases a, b, c

Rotor phases A, B, C

dq windings d, q

Stator s

Rotor r

Magnetizing m

Mechanical

m (as in θ

or ω

)

Mechanical

mech (as in θ

mech

or ω

mech

)

Leakage ℓ

SUPERSCRIPTS

Denotes the axis used as reference for dening a space vector (lack of

superscript implies that the d-axis is used as the reference).

* Reference Value

NOTATION

xvi NOTATION

SYMBOLS

Number of poles (p≥2, even number)

θ All angles, such as θ

and the axes orientation (for example,

j2π/3

), are in electrical radians (electrical radians equal p/2

times the mechanical radians).

ω All speeds, such as ω

syn

, ω

, and ω

slip

(except for ω

mech

are in electrical radians per second.

mech

The rotor speed is in actual (mechanical) radians per second:

mech

=(2/p)ω

mech

The rotor angle is in actual (mechanical) radians per second:

mech

=(2/p)θ

 Flux linkages are represented by  in MATLAB and

Simulink examples.

INDUCTION MOTOR PARAMETERS USED

INTERCHANGEABLY

′

=R R

r r

′

=L L

r r 

There are many electromechanical systems where it is important to

precisely control their torque, speed, and position. Many of these, such

as elevators in high-rise buildings, we use on daily basis. Many others

operate behind the scene, such as mechanical robots in automated

factories, which are crucial for industrial competitiveness. Even in

general-purpose applications of adjustable-speed drives, such as pumps

and compressors systems, it is possible to control adjustable-speed

drives in a way to increase their energy efciency. Advanced electric

drives are also needed in wind-electric systems to generate electricity

at variable speed, as described in Appendix 1-A in the accompanying

website. Hybrid-electric and electric vehicles represent an important

application of advanced electric drives in the immediate future. In most

of these applications, increasing efciency requires producing maximum

torque per ampere, as will be explained in this book. It also requires

controlling the electromagnetic toque, as quickly and as precisely as

possible, illustrated in Fig. 1-1, where the load torque T

Load

may take a

step-jump in time, in response to which the electromagnetic torque

produced by the machine T

must also take a step-jump if the speed

of the load is to remain constant.

1-1 HISTORY

In the past, many applications requiring precise motion control utilized

dc motor drives. With the availability of fast signal processing capability,

the role of dc motor drives is being replaced by ac motor drives. The

Advanced Electric Drives: Analysis, Control, and Modeling Using

MATLAB/Simulink

, First Edition. Ned Mohan.

Applications: Speed and

Torque Control

2 APPLICATIONS: SPEED AND TORQUE CONTROL

use of dc motor drives in precise motion control has already been dis-

cussed in the introductory course using the textbook [1] especially

designed for this purpose. Hence, our emphasis in this book for an

advanced course (designed at a graduate level but that can be easily

followed by undergraduates) will be entirely on ac motor drives.

1-2 BACKGROUND

In the introductory course [1], we discussed electric drives in an integra-

tive manner where the theory of electric machines was discussed using

space vectors to represent sinusoidal eld distribution in the air gap.

This discussion included a brief introduction to power-processing units

(PPUs) and feedback control systems. In this course, we build upon that

discussion and discover that it is possible to understand advanced

control of electric drives on a “physical” basis, which allows us to visual-

ize the control process rather than leaving it shrouded in mathematical

mystery.

1-3 TYPES OF AC DRIVES DISCUSSED AND THE

SIMULATION SOFTWARE

In this textbook, we will discuss all types of ac drives and their control

in common use today. These include induction-motor drives, permanent-

Fig. 1-1 Need for controlling the electromagnetic torque T

Load

剩余198页未读，继续阅读

General License Conditions for Software Products for Automation and Drives[手册].pdf

General License Conditions for Software Products for Automation and Drives[手册]pdf,

Advanced Electrical Drives-Analysis, Modeling, Control

Electrical drives convert in a controlled manner, electrical energy into mechanical energy. Electrical drives comprise an electrical machine, i.e. an electro-mechanical energy converter, a power electronic converter, i.e. an electrical-to-electrical converter, and a controller/communication unit. Today, electrical drives are used as propulsion systems in high-speed trains, elevators, escalators, electric ships, electric forklift trucks and electric vehicles. Advanced control algorithms (mostly digitally implemented) allow torque control over a high-bandwidth. Hence, precise motion control can be achieved. Examples are drives in robots, pick-and-place machines, factory automation hardware, etc.

make -C /home/luyuan/linux_cc M=/home/luyuan/Learn_Drives/1_chardevbase modules make[1]: Entering directory '/home/luyuan/linux_cc' scripts/Makefile.build:263: target '/home/luyuan/Learn_Drives/1_chardevbase/test1dev.ko' doesn't match the target pattern CC [M] /home/luyuan/Learn_Drives/1_chardevbase/test1dev.ko arm-linux-gnueabihf-gcc: fatal error: no input files compilation terminated. scripts/Makefile.build:264: recipe for target '/home/luyuan/Learn_Drives/1_chardevbase/test1dev.ko' failed make[2]: * [/home/luyuan/Learn_Drives/1_chardevbase/test1dev.ko] Error 1 Makefile:1384: recipe for target '_module_/home/luyuan/Learn_Drives/1_chardevbase' failed make[1]: * [_module_/home/luyuan/Learn_Drives/1_chardevbase] Error 2 make[1]: Leaving directory '/home/luyuan/linux_cc' Makefile:14: recipe for target 'kernel_modules' failed make: *** [kernel_modules] Error 2

最后，输出显示了两个错误信息："recipe for target '/home/luyuan/Learn_Drives/1_chardevbase/test1dev.ko' failed"和"recipe for target '_module_/home/luyuan/Learn_Drives/1_chardevbase' failed"。...

写一个python脚本，目的是：重启进入winpe环境后，首先在没有安装python环境下利用批处理在boot.wim里的启动脚本startnet.cmd里调用.py脚本，.py脚本可以识别U盘盘符然后，进行格式化分区，然后apply wim文件安装操作系统，最后重启。进行简单的安装一个pure os的流程

drives = [] for drive in range(65, 91): drive = chr(drive) if os.path.exists(drive + ':'): drives.append(drive + ':') return drives # 格式化分区 def format_partition(drive): os.system('...

libburn.h中struct burn_drive获取刻录设备列表

printf("找到 %d 个可用的刻录设备：\n", num_drives); for (int i = 0; i < num_drives; i++) { printf("%d: %s\n", i + 1, list->drives[i]->name); } // 释放驱动器列表 burn_drive_list_free(list); ...

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