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- •Block Reference
- •Commonly Used
- •Continuous
- •Discontinuities
- •Discrete
- •Logic and Bit Operations
- •Lookup Tables
- •Math Operations
- •Model Verification
- •Model-Wide Utilities
- •Ports & Subsystems
- •Signal Attributes
- •Signal Routing
- •Sinks
- •Sources
- •User-Defined Functions
- •Additional Math & Discrete
- •Additional Discrete
- •Additional Math: Increment — Decrement
- •Run on Target Hardware
- •Target for Use with Arduino Hardware
- •Target for Use with BeagleBoard Hardware
- •Target for Use with LEGO MINDSTORMS NXT Hardware
- •Blocks — Alphabetical List
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Settings Pane
- •Measurements Pane
- •Signal Statistics Measurements
- •Settings Pane
- •Transitions Pane
- •Overshoots/Undershoots
- •Cycles
- •Settings Pane
- •Peaks Pane
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Command-Line Information
- •Function Reference
- •Model Construction
- •Simulation
- •Linearization and Trimming
- •Data Type
- •Examples
- •Main Toolbar
- •Command-Line Alternative
- •Command-Line Alternative
- •Command-Line Alternative
- •Command-Line Alternative
- •Command-Line Alternative
- •Command-Line Alternative
- •Mask Icon Drawing Commands
- •Simulink Classes
- •Model Parameters
- •About Model Parameters
- •Examples of Setting Model Parameters
- •Common Block Parameters
- •About Common Block Parameters
- •Examples of Setting Block Parameters
- •Block-Specific Parameters
- •Mask Parameters
- •About Mask Parameters
- •Notes on Mask Parameter Storage
- •Simulink Identifier
- •Simulink Identifier
- •Model Advisor Checks
- •Simulink Checks
- •Simulink Check Overview
- •See Also
- •Identify unconnected lines, input ports, and output ports
- •Description
- •Results and Recommended Actions
- •Capabilities and Limitations
- •Tips
- •See Also
- •Check root model Inport block specifications
- •Description
- •Results and Recommended Actions
- •See Also
- •Check optimization settings
- •Description
- •Results and Recommended Actions
- •Tips
- •See Also
- •Description
- •Results and Recommended Actions
- •See Also
- •Check for implicit signal resolution
- •Description
- •Results and Recommended Actions
- •See Also
- •Check for optimal bus virtuality
- •Description
- •Results and Recommended Actions
- •Capabilities and Limitations
- •See Also
- •Description
- •Results and Recommended Actions
- •Capabilities and Limitations
- •See Also
- •Identify disabled library links
- •Description
- •Results and Recommended Actions
- •Capabilities and Limitations
- •Tips
- •See Also
- •Identify parameterized library links
- •Description
- •Results and Recommended Actions
- •Capabilities and Limitations
- •Tips
- •See Also
- •Identify unresolved library links
- •Description
- •Results and Recommended Actions
- •Capabilities and Limitations
- •See Also
- •Results and Recommended Actions
- •Capabilities and Limitations
- •See Also
- •Results and Recommended Actions
- •Capabilities and Limitations
- •See Also
- •Check usage of function-call connections
- •Description
- •Results and Recommended Actions
- •See Also
- •Check signal logging save format
- •Description
- •Results and Recommended Actions
- •See Also
- •Description
- •Results and Recommended Actions
- •See Also
- •Description
- •Results and Recommended Actions
- •Tips
- •See Also
- •Check data store block sample times for modeling errors
- •Description
- •Results and Recommended Actions
- •See Also
- •Check for potential ordering issues involving data store access
- •Description
- •Results and Recommended Actions
- •Tips
- •See Also
- •Check for partial structure parameter usage with bus signals
- •Description
- •Results and Recommended Actions
- •Tips
- •See Also
- •Check for calls to slDataTypeAndScale
- •Description
- •Results and Recommended Actions
- •Tips
- •See Also
- •Check for proper bus usage
- •Description
- •Results and Recommended Actions
- •Action Results
- •Tips
- •See Also
- •Description
- •Results and Recommended Actions
- •See Also
- •Description
- •Results and Recommended Actions
- •See Also
- •Check for proper Merge block usage
- •Description
- •Input Parameters
- •Results and Recommended Actions
- •See Also
- •Description
- •Results and Recommended Actions
- •Action Results
- •See Also
- •Check for non-continuous signals driving derivative ports
- •Description
- •Results and Recommended Actions
- •See Also
- •Runtime diagnostics for S-functions
- •Description
- •Results and Recommended Actions
- •See Also
- •Check file for foreign characters
- •Description
- •Results and Recommended Actions
- •Tips
- •See Also
- •Check model for known block upgrade issues
- •Description
- •Results and Recommended Actions
- •Action Results
- •See Also
- •Description
- •Results and Recommended Actions
- •Action Results
- •See Also
- •Check that the model is saved in SLX format
- •Description
- •Results and Recommended Actions
- •Tips
- •See Also
- •Check Model History properties
- •Description
- •Results and Recommended Actions
- •See Also
- •Analyze model hierarchy for upgrade issues
- •Description
- •Results and Recommended Actions
- •Tips
- •See Also
- •Description
- •Results and Recommended Actions
- •See Also
- •Simulink Performance Advisor Checks
- •Simulink Performance Advisor Check Overview
- •See Also
- •Baseline
- •See Also
- •Check Preupdate Items
- •See Also
- •Checks that need Update Diagram
- •See Also
- •Checks that require simulation to run
- •See Also
- •Check Accelerator Settings
- •See Also
- •Create Baseline
- •See Also
- •Identify resource intensive diagnostic settings
- •See Also
- •Check optimization settings
- •See Also
- •Identify inefficient lookup table blocks
- •See Also
- •Identify Interpreted MATLAB Function blocks
- •See Also
- •Check MATLAB Function block debug settings
- •See Also
- •Check Stateflow block debug settings
- •See Also
- •Identify simulation target settings
- •See Also
- •Check model reference rebuild setting
- •See Also
- •Check Model Reference parallel build
- •See Also
- •Check solver type selection
- •See Also
- •Select normal or accelerator simulation mode
- •See Also
- •Simulink Limits
- •Maximum Size Limits of Simulink Models
- •Index
- •Filter Structures and Filter Coefficients
- •Valid Initial States
- •Number of Delay Elements (Filter States)
- •Frame-Based Processing
- •Sample-Based Processing
- •Valid Initial States
- •Frame-Based Processing
- •Sample-Based Processing
- •Model Parameters in Alphabetical Order
- •Common Block Parameters
- •Continuous Library Block Parameters
- •Discontinuities Library Block Parameters
- •Discrete Library Block Parameters
- •Logic and Bit Operations Library Block Parameters
- •Lookup Tables Block Parameters
- •Math Operations Library Block Parameters
- •Model Verification Library Block Parameters
- •Model-Wide Utilities Library Block Parameters
- •Ports & Subsystems Library Block Parameters
- •Signal Attributes Library Block Parameters
- •Signal Routing Library Block Parameters
- •Sinks Library Block Parameters
- •Sources Library Block Parameters
- •User-Defined Functions Library Block Parameters
- •Additional Discrete Block Library Parameters
- •Additional Math: Increment - Decrement Block Parameters
- •Mask Parameters
10 Model Advisor Checks
Check for optimal bus virtuality
Identify virtual buses that could be made nonvirtual. Making these buses nonvirtual improves generated code efficiency.
Description
This check identifies blocks incorporating virtual buses that cross a subsystem boundary. Changing these to nonvirtual improves generated code efficiency.
Results and Recommended Actions
|
Condition |
Recommended Action |
|
|
Blocks that specify a virtual bus crossing a |
Change the highlighted bus |
|
|
subsystem boundary. |
to nonvirtual. |
|
|
|
|
|
Capabilities and Limitations
You can run this check on your library models.
See Also
•“Signal Basics”.
•“Virtual and Nonvirtual Buses”.
10-12
Simulink® Checks
Check for Discrete-Time Integrator blocks with initial condition uncertainty
Identify Discrete-Time Integrator blocks with state ports and initial condition ports that are fed by neither an Initial Condition nor a Constant block.
Description
Discrete-Time Integrator blocks with state port and initial condition ports might not be suitably initialized unless they are fed from an Initial Condition or Constant block. This is more likely to happen when Discrete-Time Integrator blocks are used to model second-order or higher-order dynamic systems.
Results and Recommended Actions
|
Condition |
Recommended Action |
|
|
Discrete-Time Integrator blocks are not |
Add a Constant or Initial |
|
|
initialized during the model initialization |
Condition block to feed the |
|
|
phase. |
external Initial Condition |
|
|
|
port. |
|
Capabilities and Limitations
You can run this check on your library models.
See Also
•IC block
•Discrete-Time Integrator block
•Constant block
10-13
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