Simulink Online Help

  Opening the Simulink Library Browser

  Simulink Library Browser

  Creating a New Model

  Block Connections in a Model

  Setting Simulation Options

  Overview of the Demo Model

  Running the Simulation

  Importing Data from the MATLAB Workspace

  Data Import and Logging Workflow

  Preparing Signal Builder Block

  Configuring the Model to Log Output Signals

  Creating a Figure from a Plot

  Model Configuration Overview

  Name

  Description

  Solver Overview

  Start time

  Stop time

  Type

  Solver

  Max step size

  Initial step size

  Min step size

  Relative tolerance

  Absolute tolerance

  Shape preservation

  Maximum order

  Solver reset method

  Number of consecutive min steps

  Number of consecutive min steps

  Solver Jacobian Method

  Tasking mode for periodic sample times

  Automatically handle rate transition for data transfer

  Deterministic data transfer

  Higher priority value indicates higher task priority

  Zero-crossing control

  Time tolerance

  Number of consecutive zero crossings

  Algorithm

  Signal threshold

  Periodic sample time constraint

  Fixed-step size (fundamental sample time)

  Sample time properties

  Extrapolation order

  Number Newton's iterations

  Allow tasks to execute concurrently on target

  Data Import/Export Overview

  Input

  Initial state

  Time

  States

  Output

  Final states

  Format

  Limit data points to last

  Decimation

  Save complete SimState in final state

  Signal logging

  Signal logging format

  Data stores

  Output options

  Refine factor

  Output times

  Save simulation output as single object

  Record and inspect simulation output

  Optimization Pane: General Tab Overview

  Block reduction

  Conditional input branch execution

  Implement logic signals as Boolean data (vs. double)

  Application lifespan (days)

  Use integer division to handle net slopes that are reciprocals of integers

  Use floating-point multiplication to handle net slope corrections

  Optimize using the specified minimum and maximum values

  Remove root level I/O zero initialization

  Use memset to initialize floats and doubles to 0.0

  Remove internal data zero initialization

  Optimize initialization code for model reference

  Remove code from floating-point to integer conversions that wraps out-of-range values

  Remove code from floating-point to integer conversions with saturation that maps NaN to zero

  Remove code that protects against division arithmetic exceptions

  Compiler optimization level

  Verbose accelerator builds

  Optimization Pane: Signals and Parameters Tab Overview

  Inline parameters

  Signal storage reuse

  Enable local block outputs

  Reuse block outputs

  Eliminate superfluous local variables (Expression folding)

  Inline invariant signals

  Minimize data copies between local and global variables

  Simplify array indexing

  Use memcpy for vector assignment

  Memcpy threshold (bytes)

  Pack Boolean data into bitfields

  Bitfield declarator type specifier

  Loop unrolling threshold

  Maximum stack size (bytes)

  Pass reusable subsystem outputs as

  Parameter structure

  Model Parameter Configuration Dialog Box

  Optimization Pane: Stateflow Tab Overview

  Use bitsets for storing state configuration

  Use bitsets for storing Boolean data

  Solver Diagnostics Overview

  Algebraic loop

  Minimize algebraic loop

  Block priority violation

  Min step size violation

  Sample hit time adjusting

  Consecutive zero-crossings violation

  Unspecified inheritability of sample time

  Solver data inconsistency

  Automatic solver parameter selection

  Extraneous discrete derivative signals

  State name clash

  SimState interface checksum mismatch:

  SimState object from earlier release:

  Sample Time Diagnostics Overview

  Source block specifies -1 sample time

  Discrete used as continuous

  Multitask rate transition

  Single task rate transition

  Multitask conditionally executed subsystem

  Tasks with equal priority

  Enforce sample times specified by Signal Specification blocks

  Data Validity Diagnostics Overview

  Signal resolution

  Division by singular matrix

  Underspecified data types

  Simulation range checking

  Detect overflow

  Inf or NaN block output

  "rt" prefix for identifiers

  Detect downcast

  Detect overflow

  Detect underflow

  Detect precision loss

  Detect loss of tunability

  Detect read before write

  Detect write after read

  Detect write after write

  Multitask data store

  Duplicate data store names

  Detect multiple driving blocks executing at the same time step

  Underspecified initialization detection

  Check undefined subsystem initial output

  Check preactivation output of execution context

  Check runtime output of execution context

  Array bounds exceeded

  Model Verification block enabling

  Type Conversion Diagnostics Overview

  Unnecessary type conversions

  Vector/matrix block input conversion

  32-bit integer to single precision float conversion

  Detect underflow

  Detect precision loss

  Detect overflow

  Connectivity Diagnostics Overview

  Signal label mismatch

  Unconnected block input ports

  Unconnected block output ports

  Unconnected line

  Unspecified bus object at root Outport block

  Element name mismatch

  Mux blocks used to create bus signals

  Bus signal treated as vector

  Non-bus signals treated as bus signals

  Repair bus selections

  Invalid function-call connection

  Context-dependent inputs

  Compatibility Diagnostics Overview

  S-function upgrades needed

  Block behavior depends on frame status of signal

  Model Referencing Diagnostics Overview

  Model block version mismatch

  Port and parameter mismatch

  Model configuration mismatch

  Invalid root Inport/Outport block connection

  Unsupported data logging

  Saving Tab Overview

  Block diagram contains disabled library links

  Block diagram contains parameterized library links

  Stateflow Diagnostics Overview

  Unused data and events

  Unexpected backtracking

  Invalid input data access in chart initialization

  No unconditional default transitions

  Transition outside natural parent

  Transition shadowing

  Hardware Implementation Overview

  Device vendor

  Device type

  Number of bits: char

  Number of bits: short

  Number of bits: int

  Number of bits: long

  Number of bits: float

  Number of bits: double

  Number of bits: native

  Number of bits: pointer

  Largest atomic size: integer

  Largest atomic size: floating-point

  Byte ordering

  Signed integer division rounds to

  Shift right on a signed integer as arithmetic shift

  None

  Device vendor

  Device type

  Number of bits: char

  Number of bits: short

  Number of bits: int

  Number of bits: long

  Number of bits: float

  Number of bits: double

  Number of bits: native

  Number of bits: pointer

  Largest atomic size: integer

  Largest atomic size: floating-point

  Byte ordering

  Signed integer division rounds to

  Shift right on a signed integer as arithmetic shift

  Model Referencing Pane Overview

  Rebuild

  Never rebuild diagnostic

  Enable parallel model reference builds

  MATLAB worker initialization for builds

  Total number of instances allowed per top model

  Pass fixed-size scalar root inputs by value for code generation

  Minimize algebraic loop occurrences

  Propagate all signal labels out of the model

  Propagate sizes of variable-size signals

  Model dependencies

  Simulation Target: General Tab Overview

  Enable debugging/animation

  Enable overflow detection (with debugging)

  Ensure memory integrity

  Echo expressions without semicolons

  Use BLAS library for faster simulation

  Ensure responsiveness

  Simulation target build mode

  Simulation Target: Symbols Tab Overview

  Reserved names

  Simulation Target: Custom Code Tab Overview

  Parse custom code symbols

  Source file

  Header file

  Initialize function

  Terminate function

  Include directories

  Source files

  Libraries

  Use local custom code settings (do not inherit from main model)

  Run on Target Hardware Pane Overview

  Target hardware

  Enable External mode

  TCP/IP port (1024-65535)

  Enable overrun detection

  Enable communication between two NXT bricks

  Bluetooth mode

  Slave Bluetooth address

  Host name

  User name

  Password

  Build directory

  Set COM port

  COM port number