没有合适的资源?快使用搜索试试~ 我知道了~
Frequency Domain System Identification Toolbox
需积分: 9 17 下载量 179 浏览量
2018-01-01
01:09:36
上传
评论
收藏 2.81MB PDF 举报
温馨提示
Frequency Domain System Identification Toolbox——For Use with MATLAB
资源推荐
资源详情
资源评论























Computation
Visualization
Programming
Frequency Domain
System Identification Tool
box
For Use with MATLAB
®
István Kollár

How to Contact The MathWorks:
508-647-7000 Phone
508-647-7001 Fax
The MathWorks, Inc. Mail
3 Apple Hill Drive
Natick, MA 01760-2098
http://www.mathworks.com Web
ftp.mathworks.com Anonymous FTP server
comp.soft-sys.matlab Newsgroup
support@mathworks.com Technical support
suggest@mathworks.com Product enhancement suggestions
bugs@mathworks.com Bug reports
doc@mathworks.com Documentation error reports
subscribe@mathworks.com Subscribing user registration
service@mathworks.com Order status, license renewals, passcodes
info@mathworks.com Sales, pricing, and general information
Frequency Domain System Identification Toolbox User’s Guide
COPYRIGHT 1994 - 1997 by The MathWorks, Inc. All Rights Reserved.
The software described in this document is furnished under a license agreement. The software may be used
or copied only under the terms of the license agreement. No part of this manual may be photocopied or repro-
duced in any form without prior written consent from The MathWorks, Inc.
U.S. GOVERNMENT: If Licensee is acquiring the software on behalf of any unit or agency of the U. S.
Government, the following shall apply:
(a) for units of the Department of Defense:
RESTRICTED RIGHTS LEGEND: Use, duplication, or disclosure by the Government is subject to restric-
tions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer Software Clause
at DFARS 252.227-7013.
(b) for any other unit or agency:
NOTICE - Notwithstanding any other lease or license agreement that may pertain to, or accompany the
delivery of, the computer software and accompanying documentation, the rights of the Government
regarding its use, reproduction and disclosure are as set forth in Clause 52.227-19(c)(2) of the FAR.
Contractor/manufacturer is The MathWorks Inc., 24 Prime Park Way, Natick, MA 01760-1500.
MATLAB, Simulink, Handle Graphics, and Real-Time Workshop are registered trademarks and Stateflow
and Target Language Compiler are trademarks of The MathWorks, Inc.
Other product or brand names are trademarks or registered trademarks of their respective holders.
Printing History: January 1994 First printing
August 1995 Reprint
☎
PHONE
FAX
✉
MAIL
INTERNET
@
E-MAIL

i
Contents
1
Before You Begin
Installation of the Toolbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
Tutorial
Frequency Domain Formulation and Solution . . . . . . . . . . . . 2-2
Basic Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Covariance of the Estimate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Key Features of ELiS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Imposing Constraints on the Estimates . . . . . . . . . . . . . . . . . 2-12
Solutions for Some Special Cases . . . . . . . . . . . . . . . . . . . . . . . 2-14
Numerical Stability and Speed of the Procedures . . . . . . . . . . 2-15
Excitation Signals for Identification in the Frequency
Domain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-20
Multisine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
Binary Excitation Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Preprocessing of Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
Preprocessing in the Time Domain . . . . . . . . . . . . . . . . . . . . . 2-24
Transformation into the Frequency Domain . . . . . . . . . . . . . . 2-26
Preprocessing in the Frequency Domain . . . . . . . . . . . . . . . . . 2-28
Presentation of the Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30
Model Validation and Simulations . . . . . . . . . . . . . . . . . . . . . . . 2-32
The First Quick Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32
Stability and the Choice of the Proper Delay . . . . . . . . . . . . . 2-32
Detection of Undermodeling and Overmodeling . . . . . . . . . . . 2-33

ii Contents
Study of the Residuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-36
Simulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-37
Cross Validation with Another Set of Measured Data . . . . . . . 2-40
Model Conversions from/to the System Identification
Toolbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-41
Conversion from ELiS to the theta-Format . . . . . . . . . . . . . . . 2-43
Conversion from the theta-Format to ELiS . . . . . . . . . . . . . . . 2-45
Data Formats and File Handling . . . . . . . . . . . . . . . . . . . . . . . . . 2-47
A Typical Identification Session . . . . . . . . . . . . . . . . . . . . . . . . . . 2-49
Investigation of the Time Domain Data . . . . . . . . . . . . . . . . . . 2-50
Examination of the Signal-to-Noise Ratios . . . . . . . . . . . . . . . 2-54
Conversion to Frequency Domain . . . . . . . . . . . . . . . . . . . . . . . 2-57
Variance Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-57
Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-61
Model Validation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-68
Bibliography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-77
3
Reference
Function Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Excitation Signal Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Preprocessing of Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Estimation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Presentation of the Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Model Validation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Model Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Data Vector and File Read/Write . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

iii
A
Appendix
Description of the Data Vector and File Formats . . . . . . . . . . A-2
Common Conventions for Every Data Type . . . . . . . . . . . . . . . . A-2
Conventions for Individual Data and File Types . . . . . . . . . . . . A-4
Examples for ASCII Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-10
Description of the Available Measurement Data Files . . . A-15
aluplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-15
bandpass, bp1, bandp8k . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-16
cable1-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-17
crankcas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-24
emachine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-25
glassfib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-27
inpchan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-28
lowpaswb, lowpass1, lowpass2 . . . . . . . . . . . . . . . . . . . . . . . . . A-29
robotarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-33
剩余231页未读,继续阅读
资源评论


sinat_27014637
- 粉丝: 2
上传资源 快速赚钱
我的内容管理 展开
我的资源 快来上传第一个资源
我的收益
登录查看自己的收益我的积分 登录查看自己的积分
我的C币 登录后查看C币余额
我的收藏
我的下载
下载帮助


最新资源
- 高级人工智能-5.pptx
- 【河北省】专业技术人员标准化的理论方法与实践试卷4答案.doc
- 工程报验申请表.doc
- 基于STC89C52单片机-红外智能循迹小车(同名9240).doc
- 深度强化学习各算法详解及 Pytorch 实现方法 深度强化学习各类算法介绍与 Pytorch 实现方式 深度强化学习各算法的介绍及 Pytorch 实现详解 深度强化学习不同算法介绍与 Pytorc
- 实验幼儿园儿童园内饮食记录表.doc
- 公司物流服务方案.doc
- 小学英语人称代词表格总结.doc
- 移位指令SFTPPT课件.ppt
- 计量经济学-四元线性回归模型案例分析.doc
- 计算机专业假期社会实践报告范文.docx
- 天天讲安全表格.doc
- 公司信用管理总结.doc
- 民营企业高管绩效考核研究.doc
- 教师网络远程培训心得体会四篇.doc
- 水果拼盘店创业计划书.docx
资源上传下载、课程学习等过程中有任何疑问或建议,欢迎提出宝贵意见哦~我们会及时处理!
点击此处反馈



安全验证
文档复制为VIP权益,开通VIP直接复制
