User manual THE MATHWORKS SIMULINK CONTROL DESIGN RELEASE NOTES

[. . . ] Simulink® Control DesignTM Release Notes How to Contact MathWorks Web Newsgroup www. mathworks. com/contact_TS. html Technical Support www. mathworks. com comp. soft-sys. matlab suggest@mathworks. com bugs@mathworks. com doc@mathworks. com service@mathworks. com info@mathworks. com Product enhancement suggestions Bug reports Documentation error reports Order status, license renewals, passcodes Sales, pricing, and general information 508-647-7000 (Phone) 508-647-7001 (Fax) The MathWorks, Inc. 3 Apple Hill Drive Natick, MA 01760-2098 For contact information about worldwide offices, see the MathWorks Web site. Simulink® Control DesignTM Release Notes © COPYRIGHT 2004­2010 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. [. . . ] The block remains parametrized by the variables. Fixed Bugs and Known Problems Bug Reports Includes fixes Related Documentation at Web Site No New features and changes introduced in this version are · "New Parallel Computing Support For Frequency Response Estimation" on page 9 · "New Commands Support Recomputing Frequency Response Estimation Results at Specific Frequencies" on page 10 · "New frest. simcompare Output Argument Returns Simulation Output Data From Linear System" on page 10 · "New Options in Simulink Results Viewer GUI for Viewing Frequency Response Estimation Results" on page 10 · "New Option for Labeling Bus Signal I/O Names in the SISO Design Task" on page 10 · "Existing Simulink Blocks Now Have Analytic Jacobians" on page 11 · "Change in Format of Time Series in frestimate Output" on page 11 New Parallel Computing Support For Frequency Response Estimation If you have the Parallel Computing ToolboxTM software installed, you can use parallel computing to speed up frequency response estimation. For more information, see "Speeding Up Estimation Using Parallel Computing" in the Simulink Control Design documentation. 9 Simulink® Control DesignTM Release Notes New Commands Support Recomputing Frequency Response Estimation Results at Specific Frequencies If you use the sinestream input signal for estimation, you can now recompute your frequency response estimation for only those specific frequencies that do not reach steady state. Previously, you had to redo the entire estimation if a few frequencies needed recomputing. For more information, see "Time Response Not at Steady State". New frest. simcompare Output Argument Returns Simulation Output Data From Linear System This release provides enhanced frest. simCompare functionality, which allows the return of simulated output data. If your linear model uses state-space representation, you can also return the state vector. For more information, see the frest. simCompare reference page. New Options in Simulink Results Viewer GUI for Viewing Frequency Response Estimation Results The Simulation Results Viewer GUI, which you display using frest. simView, now provides additional options for analyzing your frequency response estimation: · You can now enable phase unwrapping in the frequency response plot. To unwrap phase, right-click the Bode plot, and select Unwrap Phase. · You can also import frequency response estimation results into an open Simulation Results Viewer, which replaces the existing results. Previously, you had to open a new Viewer each time you viewed estimation results. To import results, select File > Import in the Simulation Results Viewer. New Option for Labeling Bus Signal I/O Names in the SISO Design Task You can now configure the SISO Design Task to automatically label model I/Os using bus signal names. Model I/O labels describe available loops in the Graphical Tuning tab and label response plots in the Analysis Plots tab of the 10 Version 3. 1 (R2010a) Simulink® Control DesignTM Software SISO Design Task GUI. Previously, labels for bus signals were based on the block and port path, or the Simulink signal name. To use this option, select Tools > Options in the SISO Design Task GUI, and enable Use bus signal names to label model I/O. Existing Simulink Blocks Now Have Analytic Jacobians The following Simulink blocks now have Analytic Jacobians, which are optimized for memory consumption in large-scale models: · Switch · Multiport Switch · Math Function (Transpose and Hermitian Transpose) For more information on each block, see the block reference pages. Change in Format of Time Series in frestimate Output When you use the simout output of the frestimate command, you obtain a cell array of Simulink. Timeseries objects. Previously, the time dimension was always the first dimension of each Simulink. Timeseries object. As of R2010a, the time dimension of each Simulink. Timeseries in simout is: · The first dimension, if the time series is 2-D · The last dimension, if the time series is 3-D or higher Compatibility Considerations If you have scripts that run frestimate on a model having an output point on a vector or matrix signal and perform operations on the resulting 3-D or higher-dimensional Simulink. Timeseries object in simout, modify your scripts to reflect the new placement of the time dimension in the time series. For additional information, see: 11 Simulink® Control DesignTM Release Notes · MATLAB Data Analysis Release Notes · frestimate reference page · Simulink. Timeseries reference page 12 Version 3. 0 (R2009b) Simulink® Control DesignTM Software Version 3. 0 (R2009b) Simulink Control Design Software This table summarizes what's new in Version 3. 0 (R2009b): New Features and Changes Yes Details below Version Compatibility Considerations No Fixed Bugs and Known Problems Bug Reports Includes fixes Related Documentation at Web Site Printable Release Notes: PDF Current product documentation New features and changes introduced in this version are · "New GUI for Tuning New PID Controller Blocks" on page 13 · "New Automated PID Tuning Algorithm" on page 14 · "Ability to Compute Frequency Response of Simulink Models" on page 14 · "Ability to Specify the Linearization of Simulink Blocks" on page 14 · "Ability to Design Compensators for Plant Models With Time Delays" on page 14 · "New Commands to More Efficiently Compute Multiple Linearizations" on page 15 · "Ability to Set Default Plot Type for Linear Analysis Results from GUI" on page 15 New GUI for Tuning New PID Controller Blocks You can automatically tune the new Simulink PID Controller blocks in the PID Tuner GUI R2009b introduces. You launch the PID Tuner directly from the PID block dialogs boxes. These blocks are available in the Continuous and Discrete Simulink libraries. For more information on tuning PID Controller using the PID Tuner, see "Automatic PID Tuning". 13 Simulink® Control DesignTM Release Notes New Automated PID Tuning Algorithm You can now tune compensators using a new automated PID tuning algorithm called Robust Response Time, which is available in the SISO Design Task. You specify the open-loop bandwidth and phase margin, and the software computes PID parameters to robustly stabilize your system. For information on tuning compensators using automated tuning methods, see "Completing the Design". Ability to Compute Frequency Response of Simulink Models You can now compute the frequency response of a Simulink model using simulation. [. . . ] Then, the Simulink Control Design software automatically analyzes your model to identify the relevant control loops and opens a preconfigured session of the SISO Design Tool (in the Control System ToolboxTM software). For more information, see "Designing Compensators" in the Simulink Control Design documentation. Supported tunable SISO Simulink blocks include Gain, Transfer Function, Zero-Pole-Gain, State-Space, and PID blocks. In the SISO Design Tool you can · Graphically tune multiple SISO loops in a single GUI. [. . . ]