Simulink 7.2

Latest Features

Version 7.2

Released: 09 Oct 2008
 

Version 7.2, part of Release 2008b, includes the following enhancements.

See highlights and screen shots

Simulation Performance

• New capability to run parallel simulations in rapid accelerator mode using parfor on prebuilt Simulink models (requires Parallel Computing Toolbox)
• Enhanced tuning of solver and logging parameters in rapid accelerator mode without the need to rebuild
• Fixed-point and integer word size limit extended from 32 to 128 bits for Embedded MATLAB code, accelerated simulation modes, and automatic code generation

Component-Based Modeling

• New Model block simulation mode for Processor-in-the-Loop (PIL) verification of generated code (requires Real-Time Workshop Embedded Coder)
• Enhanced handling of initial conditions for conditionally executed subsystems, Merge blocks, and Discrete-Time Integrator blocks, improving consistency of simulation results
• Model block inputs can now be local and reusable for more efficient Real-Time Workshop® generated code, and reduced memory usage during simulation

Data Management

• Support for enumerated data types
• Filtering of displayed bus objects by name or relationship in bus editor
• Fully customizable export and import functionalities in bus editor

File Management

• Enhanced Simulink Manifest Tools additionally finds system target files, analyzes STF_make_rtw_hook functions, and analyzes all config sets

Block Enhancements

• Enhanced Trigonometric Function block to support sincos
• Enhanced Math Function and Trigonometric Function blocks to provide more floating-point consistency

User Interface Enhancements

• Unified simulation and custom code options in the Configuration Parameters dialog for Embedded MATLAB Function blocks, Stateflow charts, and Truth Table blocks
• New Model Advisor model and data restore point, providing ability to revert to changes made in response to advice fromModel Advisor
• Context-sensitive help available for Model Advisor
• Context-sensitive help available for Simulink Commonly Used block parameters
• New Sample Time Legend that defines the Sample Time Colors and new color-independent annotations
• New ultracompact display mode for library contents in Library Browser
• Independent setting for Log signal data and Test point options in the Signal Properties dialog box

See the Release Notes for details.

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Version 7.1.1

Released: 30 Oct 2008
 

Version 7.1.1, part of the Simulink product family update for Release 2008a, resolves several key customer-reported issues.

Read about the latest bug fixes for:

• Fixed-Point Toolbox 2.2.1
• Real-Time Workshop 7.1.1
• Real-Time Workshop Embedded Coder 5.1.1
• Simulink 7.1.1
• Simulink Design Verifier 1.2.1
• Simulink Fixed Point 5.6.1
• Simulink Report Generator 3.3.1
• Simulink Verification and Validation 2.3.1
• Stateflow 7.1.1
• Stateflow Coder 7.1.1

Version 7.1

Released: 01 Mar 2008
 

Version 7.1, part of Release 2008a, includes the following enhancements.

See highlights and screen shots

Simulink Library Browser Enhancements

• Now runs on all platforms supported by Simulink software
• Improved performance for browsing and searching of libraries, by allowing these operations to proceed without actually loading the libraries
• Enhanced search finds all blocks and displays search results in a separate tab
• New option to display library blocks in a compact grid layout that conserves screen space

Simulation Performance

• Improved Rapid Accelerator sim command performance when running long simulations of small models on Windows platforms
• Additional zero-crossing algorithm with adaptive detection and adjustable threshold limits improves simulation performance

Component-Based Modeling

• Accelerator mode now supports an unlimited number of referenced models on all platforms, including 32-bit Windows
• Improved model compilation time when using models referenced in accelerator mode by rebuilding parent models only when the interface to a referenced model changes

Embedded MATLAB™

• Support for nontunable MATLAB structure parameters in Embedded MATLAB Function blocks

Data Management

• Enhanced Data Type Assistant display of status and details of fixed-point data type
• Enhanced signal range checking for both real and imaginary parts of a complex number
• Enhanced Bus Editor importing/exporting of data from MAT-files and M-files, defining bus elements with the Data Type Assistant, and expanding bus hierarchies
• Simulink Editor graphical indication of signals that must resolve to signal objects
• In models with asynchronous function calls, correct assignment of generic sample times instead of triggered sample times by some virtual blocks
• Changes to nontunable parameters during simulation ignored, matching the behavior in generated code
• Enhanced data logging on 64-bit platforms, providing the ability to save more than 2 GB of simulation data

File Management

• New autosave option for automatically saving models before updating or simulating
• New option to notify when loading a model saved in a previous version of Simulink
• Enhanced model dependencies manifest tools now also detect TLC files required by S-functions, .fig files created by GUIDE, and files referenced by common data loading functions

Block Enhancements

• New Discrete FIR Filter block replaces the Weighted Moving Average block for faster simulation and improved code generation
• Rate Transition block output port sample time now can be specified as multiple of input port sample time
• Enhanced auto-insertion options for the Rate Transition block to control the level of data transfer determinism, allowing reduced latency for models that do not require determinism
• Auto-insertion of Rate Transition block now supported for additional rate transitions, such as sample times with nonzero offset, and between non-integer-multiple sample times
• Enhanced Lookup Table (n-D) block supports all data types, complex table data, and nonscalar inputs
• Expanded Sum block dialog box displays new parameters for specifying the accumulator data type and its minimum and maximum values

User Interface Enhancements

• New unified Simulink Preferences window for configuring default settings
• Enhanced controls in the Solver pane of the Configuration Parameters dialog box
• Enhanced Model Advisor with improved GUI navigation and report production
• Context-sensitive help available for Configuration Parameters dialog box

See the Release Notes for details.

Getting Started with Simulink Demo Video

Version 7.0.1

Released: 08 May 2008
 

Version 7.0.1, part of the Simulink product family update for Release 2007b, resolves several key customer-reported issues.

Read about the latest bug fixes for:

• Fixed-Point Toolbox 2.1.1
• Real-Time Workshop 7.0.1
• Real-Time Workshop Embedded Coder 5.0.1
• Simscape 2.0.1
• Simulink 7.0.1
• Simulink Design Verifier 1.1.1
• Simulink Fixed Point 5.5.1
• Stateflow 7.0.1
• Stateflow Coder 7.0.1
• Simulink Verification and Validation 2.2.1 (represented in Simulink 7.0.1 reports)

Version 7.0

Released: 01 Sep 2007
 

Version 7.0, part of Release 2007b, includes the following enhancements:

Simulation Performance

• Simulink Accelerator incorporated into Simulink, with new Rapid Accelerator mode added for faster simulation through code generation
• Simulink Profiler incorporated into Simulink for identification of simulation performance bottlenecks
• Simulink Accelerator, Rapid Accelerator, and model reference simulation targets able to specify compiler optimization level used
• Enhanced variable step discrete solver no longer takes unnecessary time steps at multiples of the maximum step size
• Simulink Accelerator, Rapid Accelerator, and model reference simulation targets able to perform mathematical operations using the same internal functions that MATLAB and Simulink use, for more consistent simulation results

Component-Based Modeling

• Model blocks have option to simulate the referenced model in normal mode, allowing for faster turnaround time, use of interactive blocks, and use of tools such as model coverage fromSimulink® Verification and Validation
• New instance view option for Model Dependency viewer to display each reference to a model and indicate whether reference is simulated in accelerated or normal mode

Embedded MATLAB™ Function Block

• Support for complex and fixed-point parameters in Embedded MATLAB Function blocks
• Support in Embedded MATLAB Function blocks for calling algorithms that span multiple M-files

Data Management

• New standardized user interface for specifying data types associated with Simulink blocks and data objects, and Stateflow® data
• New standardized user interface enables display and editing of data types in Model Explorer spreadsheet
• New block parameters for specifying design minimum and maximum for parameters and signals
• New parameter range checking during edit time and update diagram
• New diagnostics for signal range checking during simulation and detection of continuous sample time on non-floating-point signals
• New control of output data types for Abs, Multiport Switch, Saturation, Saturation Dynamic, and Switch blocks

Configuration Management

• New Model Advisor checks, allowing search for disabled or parameterized library links in a model
• New diagnostic to warn when saving a model containing disabled or parameterized library links
• Library link status information included in Simulink window titles
• Tooltips for library link blocks include link status, as well as destination block for the link
• Model dependencies manifest tools updated with enhanced analysis to detect file dependencies from Stateflow transitions, Embedded MATLAB, and requirements documents
• Model dependencies tools now save user manifest edits for reuse the next time a manifest is generated

Embedded Software Design

• Enhanced Legacy Code Tool for supporting variables that represent memory allocated for specific instances of items such as file descriptors, device drives, and memory managed externally

Block Enhancements

• Product blocks that specify division as the first operator now automatically eorder inputs to improve efficiency of operation and precision of results
• Support for single-precision floating-point inputs, outputs, and parameter alues in Discrete Filter, Discrete State-Space, and Discrete Transfer Fcn bocks

Usability Enhancements

• New block alignment and distribution commands to align blocks along edges and equalize interblock spacing
• Enhanced Model Advisor for navigating checks, displaying status, and reporting results

See the Release Notes for details.

Version 6.6.1

Released: 03 May 2007
 
Simulink 6.6.1 resolves several key customer-reported issues. It is part of a Simulink product family update for Release 2007a. See the Release Notes for details.

In addition to Simulink, seven other products were included in this update:

• Real-Time Workshop 6.6.1
• Real-Time Workshop Embedded Coder 4.6.1
• Simulink Accelerator 6.6.1
• Simulink Fixed Point 5.4.1
• Simulink Verification and Validation 2.1.1
• Stateflow 6.6.1
• Stateflow Coder 6.6.1

Version 6.6

Released: 01 Mar 2007
 

Version 6.6, part of Release 2007a, includes the following enhancements:

Multidimensional Signal Support

• Simulation and code generation support for models that create, use, and log signals having more than two dimensions
• Permute Dimensions and Squeeze blocks for manipulating multidimensional signals
• Assignment, Selector, Concatenate, and other blocks enhanced to support signals having more than two dimensions

Large-Scale Modeling

• Configuration set references for sharing configuration sets among models in model reference hierarchies
• Model referencing now supports nonzero simulation start times
• Utility functions for deleting the contents of a subsystem or model and for copying contents between a subsystem and a model
• Support for state names in state logging and model linearization commands
• Tools for identifying files required by a model and packaging them in a zip file
• New block, Model Advisor check, and utility functions for detecting buses used as vectors and automatically converting those buses to vectors
• New warning to indicate another program has changed a model file on disk while the model is loaded in Simulink
• New warning to indicate that multiple models or libraries with the same name exist on the MATLAB path
• Block callbacks for executing custom code before Simulink copies or deletes blocks

MATLAB Language Support

• Enhanced Embedded MATLAB Function block supports multidimensional signals, frame signals, function handles, and 31 additional standard library functions
• New command line functionality to check existing M-functions for compliance with the Embedded MATLAB subset, thereby facilitating their inclusion as Embedded MATLAB functions in Simulink and Stateflow

Embedded Software Design and Implementation

• Improved MISRA C support spanning subsystems, charts, and static library files
• Enhanced Legacy Code Tool supports data-type work vectors and complex numbers
• Ability to control step function prototypes for models
• More efficient code for enabled subsystems and wide signal operations
• Support for passing alias data-type objects via mask parameters

Usability Enhancements

• Improved Model Advisor for navigating checks and displaying status
• Port name display options for displaying signal names on a subsystem block and port numbers on the corresponding port blocks
• Easier customization of object properties displayed by Model Explorer

See the Release Notes for details.

Version 6.5

Released: 01 Sep 2006
 

Version 6.5, part of Release 2006b, includes the following enhancements:

Large-Scale Modeling

• Model Dependency Viewer enhancements for finding a model's dependencies on block libraries and referenced models
• Support for running function-call models without them being referenced

New and Enhanced Blocks

• Lookup table blocks support for fixed-point arithmetic, consistency checking, more efficient code generation, and other enhancements
• Use of same internal routines that MATLAB calls for trigonometric, exponential, and rounding and remainder operations
• Signal Builder block support for printing signal groups

Embedded Software Design and Implementation

• Legacy Code Tool for faster creation of S-functions from legacy C/C++ code

MATLAB Language Support

• Support for structures as inputs, outputs, and persistent variables in Embedded MATLAB Function blocks
• Support for reading and writing Simulink bus signals at inputs and outputs of Embedded MATLAB Function blocks
• Expansion of the Embedded MATLAB runtime library with 36 new functions added for code generation, including std, cov, rand, and histc

Usability Enhancements

• New API commands for programmatic access to configuration set, data logging, and Simulink® Accelerator features
• Unified Simulink Fonts Preferences dialog box for simpler selection of fonts for blocks, lines, and annotations

See the Release Notes for details.