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控制系统计算机辅助设计——MATLAB语言与应用(源代码）

% Multivariable Frequency Domain Toolbox. Version 2.4 19-Jul-93
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%  Modelling:
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%FBLKB  Frequency-domain block-build (MIMO).
%FCON   Frequency domain MIMO block connections.
%FDLY   Adds delays to MVFR matrix.
%FFB    Closed-loop frequency response with unity feedback (MIMO). 
%FFBF   Closed-loop frequency response with arbitrary feedback (MIMO).
%FRD    Return difference frequency response (MIMO).
%MVBLKB Multivariable state-space block-build.
%MVCON  Connects multivariable state space systems.
%MVFB   Feedback connection of two state space systems.
%MVINV  Inverse of state-space system.
%MVPAR  Parallel connection of two state space systems.
%MVPINV Pseudo-inverse of state-space system.
%MVSER  Series connection of two state space systems.
%MVSUM  Sum the outputs of two state space systems.
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%  Conversion
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%DMV2FR  Frequency response of MIMO discrete time system
%MV2FR   Frequency response of MIMO continuous time system
%MV2RES  Response of MIMO system on arbitrary set of points.
%MVSS2TF Multivariable State-Space to Transfer Function conversion.
%MVTF2SS Multivariable Transfer Function to State-Space conversion.
%P2R     Converts polar to rectangular co-ordinates.
%PM2TF   Polynomial matrices to transfer function matrix
%R2P     Converts rectangular to polar co-ordinates.
%T2W     Generates frequencies, given time horizon etc, for MFD Toolbox.
%VEC2STR Converts vector to string array.
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%  MVFR Manipulation functions
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%FCOMP    Compress MVFR matrix.
%FDIAG    Diagonal elements of MVFR matrix.
%FDISP    Display MVFR matrix versus frequency.
%FGET     Get elements from MVFR matrix.
%FGETF    Get component matrices from MVFR matrix.
%FINSERT  Insert frequency points in MVFR matrix
%FPART    Partitions MVFR matrix into blocks
%FPUT     Replace elements in MVFR matrix
%FSIZE    Size of MVFR matrix.
%SHPF     Reshape matrix into MVFR matrix
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%  Design functions
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%ALIGN    Real alignment
%FACC     Synthesise an approximate commutative controller.
%FADJ     Estimates the order of a pseudo-decoupling pre-compensator
%FCNMAT   Calculates the normalized column dominance scalings.
%FDEDMUND Control design by parameter optimization (discrete-time).
%FEDMUNDS Control design by parameter optimization.
%FRNMAT   Calculates the normalized row dominance scalings.
%FPP      Calculates principal phases.
%FPSEUDO  Calculate pseudo-decoupling controller.
%FRFN     Constructs a Reversed-Frame Normalizing controller.
%FSGB     Normalizes system and manipulates singular values.
%PHLAG    Design a phase lag compensator
%PHLEAD   Design a phase lead compensator
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%  Design functions
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%FBRGA    Block Relative Gain Array
%FCDOM    Column dominance of MVFR matrix.
%FCGERSH  Generate column Gershgorin circles.
%FCOST    Generate column Ostrowski circles.
%FCSOD    Column sum of abs(off-diagonals) of MVFR matrix.
%FIMPULSE Impulse response from freqency response (MIMO).
%FMISALG  Calculates misalignment angles
%FMS      Measure of skewness of MIMO frequency response.
%FPERRON  Perron-Frobenius eigenvalues
%FRDOM    Row dominance of MVFR matrix.
%FRGA     Relative gain array of square system.
%FRGERSH  Generate row Gershgorin circles.
%FROST    Generate row Ostrowski circles.
%FRSOD    Row sum of abs(off-diagonals) of MVFR matrix
%FSTEP    Step response form frequency response (MIMO).
%FSVAN    Performance and robustness measures, with unity feedback.
%FSVANF   Performance and robustness measures with arbitrary feedback.
%FSSV     Structured singular value (from MIMO frequency response).
%FSSVIM2  Structured Singular Value Interaction Measure (2-block).
%MVRLOCUS Multivariable root locus.
%SSV      Structured singular value (at one frequency).   
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%  Plotting functions
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%LOGNYQ   Nyquist-like plots on logarithmic axes.
%MCIRC    Calculates M-circles
%NCIRC    Calculates N-circles.
%MKNIC    Mark points along a Nichols plot.
%MKNYQ    Mark points along a Nyquist plot.
%MKPLOT   Mark points along a plot.
%MVBODE   Plot Multi-Variable Bode diagram.
%MVDB     Plot Multi-Variable magnitude Bode diagram.
%MVNIC    Plot Multi-Variable Nichols chart.
%MVNYQ    Plot Multi-Variable Nyquist diagram.
%PLOTBODE Plot Bode diagrams.
%PLOTDB   Plot Magnitude Bode diagrams.
%PLOTNIC  Plot Nichols chart.
%PLOTNYQ  Plot Nyquist diagrams.
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%  MVFR Utility functions
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%EYEF     Generate identity MVFR matrix
%FADD     Add matrix to MVFR matrix
%FADDF    Add two MVFR matrices
%FEIG     Eigenvalues and eigenvectors of MVFR matrix.
%FFUN     Apply function to MVFR matrix.
%FINV     Invert an MVFR matrix
%FMAX     Maximum of MVFR matrix
%FMINIMUM Minimum of MVFR matrix
%FMUL     Multiply MVFR matrix by a matrix.
%FMULF    Multiply two MVFR matrices.
%FNORM    Norms of MVFR matrix.
%FSVD     Singular values of MVFR matrix.
%FTRN     Complex conjugate transpose of MVFR matrix.
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%  Utility functions
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%ABCPGCHK Check A, B, C for a pure gain block
%ARC      Calculates points on an arc.
%CIRC     Calculates circles
%CLIP     Indicate which points lie outside an area.
%COMP     Compress a vector or matrix
%CSORT    Sort columns into continuous vectors.
%EXPD     Expand a vector by repeating its points
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%  Generation of examples:
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%AIRCMAKE Make AIRC state-space model in workspace and on disk.
%RPVMAKE  Make RPV state-space model in workspace and on disk.
%TGENMAKE Make TGEN state-space model, in workspace and on disk.
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%  Demonstrations:
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%BLKBDEMO Block Building and Connection Demo for MFD Toolbox.
%BLKBPREP Generation of data for BLKBDEMO
%CALCDEMO Demonstration of Basic Functions in the MFD TOOLBOX.
%CHARDEMO Characteristic Locus Design Demo for MFD Toolbox.
%DEMOPREP Demonstration data reconstruction for MFD Toolbox.   
%DIRNDEMO Direct Nyquist Array Demo for MFD Toolbox.
%DSGNPREP Data reconstruction for MFD Toolbox DNA demo.
%GENRDEMO MVFR Generation and Display Demonstration for MFD Toolbox.
%GENRPREP Data generation for CALCDEMO and MVPLDEMO in MFD Toolbox.
%INVNDEMO Inverse Nyquist Array Demonstration for MFD Toolbox.
%MFDDEMO  MFD Toolbox Demonstration facility.
%MVPLDEMO Graphical plots demo for MFD Toolbox.
%QUASDEMO Quasi - Classical Design Demo for MFD Toolbox.
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%  Utilities used inside other functions only:
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%FDEDMUT  Utility function for FDEDMUND.
%FEDMUTIL Utility function for FEDMUNDS.
%FSVUT    Utility function for FSVAN and FSVANF.
%PDSOLV   Utility function for FPSEUDO
%PSEUDINT Utility function for FPSEUDO.