www.matlab.org.cnMATLAB 研究与探索 说明：本资料仅供MATLAB 学习者及相关技术人员研究参考使用。获取更丰富资料请登录：www.matlab.org.cnControl System Toolbox 8 ReferenceHow to Contact The MathWorkswww.mathworks.comWebcomp.soft-sys.matlabNewsgroupwww.mathworks.com/contact_TS.htmlTechnical Supportsuggestmathworks.comProduct enhancement suggestionsbugsmathworks.comBug reportsdocmathworks.comDocumentation error reportsservicemathworks.comOrder status, license renewals, passcodesinfomathworks.comSales, pricing, and general information508-647-7000 (Phone)508-647-7001 (Fax)The MathWorks, Inc. 3 Apple Hill Drive Natick, MA 01760-2098For contact information about worldwide offices, see the MathWorks Web site.Control System Toolbox Reference COPYRIGHT 20012009 by The MathWorks, Inc.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 reproduced in any form without prior written consent from The MathWorks, Inc.FEDERAL ACQUISITION: This provision applies to all acquisitions of the Program and Documentation by, for, or through the federal government of the United States. By accepting delivery of the Programor Documentation, the government hereby agrees that this software or documentation qualifies as commercial computer software or commercial computer software documentation as such terms are usedor defined in FAR 12.212, DFARS Part 227.72, and DFARS 252.227-7014. Accordingly, the terms andconditions of this Agreement and only those rights specified in this Agreement, shall pertain to and governthe use, modification, reproduction, release, performance, display, and disclosure of the Program and Documentation by the federal government (or other entity acquiring for or through the federal government)and shall supersede any conflicting contractual terms or conditions. If this License fails to meet the governments needs or is inconsistent in any respect with federal procurement law, the government agrees to return the Program and Documentation, unused, to The MathWorks, Inc.TrademarksMATLAB and Simulink are registered trademarks of The MathWorks, Inc. See www.mathworks.com/trademarksfor a list of additional trademarks. Other product or brand names may be trademarks or registered trademarks of their respective holders.PatentsThe MathWorks products are protected by one or more U.S. patents. Please see www.mathworks.com/patentsfor more information.Revision History June 2001Online onlyNew for Version 5.1 (Release 12.1) July 2002Online onlyRevised for Version 5.2 (Release 13) June 2004Online onlyRevised for Version 6.0 (Release 14) March 2005Online onlyRevised for Version 6.2 (Release 14SP2) September 2005Online onlyRevised for Version 6.2.1 (Release 14SP3) March 2006Online onlyRevised for Version 7.0 (Release 2006a) September 2006Online onlyRevised for Version 7.1 (Release 2006b) March 2007Online onlyRevised for Version 8.0 (Release 2007a) September 2007Online onlyRevised for Version 8.0.1 (Release 2007b) March 2008Online onlyRevised for Version 8.1 (Release 2008a) October 2008Online onlyRevised for Version 8.2 (Release 2008b) March 2009Online onlyRevised for Version 8.3 (Release 2009a)ContentsFunction Reference 1 1GUIs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3Linear Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3Data Extraction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4Conversions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4System Interconnections. . . . . . . . . . . . . . . . . . . . . . . . . . .1-5System Gain and Dynamics. . . . . . . . . . . . . . . . . . . . . . . . .1-5Time Domain Analysis. . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6Frequency Domain Analysis. . . . . . . . . . . . . . . . . . . . . . . .1-7Model Simplification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-7Compensator Design. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8LQR/LQG Design. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8State-Space Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-9Frequency Response Data Models. . . . . . . . . . . . . . . . . . .1-10Time Delays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-10Model Dimensions and Characteristics. . . . . . . . . . . . . .1-11vOverloaded and Arithmetic Operators. . . . . . . . . . . . . . .1-11Matrix Equation Solvers. . . . . . . . . . . . . . . . . . . . . . . . . . .1-12Preferences. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-13Visualization of Model Dynamics and Responses. . . . .1-13Plot Customization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-14Help. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-15Functio