Señales

Configure y muestre las propiedades de la señal

Las señales transmiten datos entre dos bloques en una simulación. Los datos pueden ser la salida calculada de un bloque o simplemente un mensaje. El valor de las señales se calcula en todos los puntos durante el tiempo de simulación. Puede visualizar los datos y las propiedades de la señal durante y después de la simulación, ver los valores en tiempo real en un diagrama de bloques o registrar los valores como variables en el espacio de trabajo. Además, puede exportar las señales a un archivo o a un espacio de trabajo para investigar más a fondo.

Puede controlar el comportamiento matemático de un modelo especificando las características de la señal, como el tipo de datos numéricos, el valor inicial y el rango de valores. Para obtener más información, consulte Signal Basics.

Bloques

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Propiedades de una señal

Signal Specification	Specify desired dimensions, sample time, data type, numeric type, and other attributes of signal
IC	Establecer el valor inicial de la señal
Probe	Output signal attributes, including width, dimensionality, sample time, and complex signal flag
Rate Transition	Handle transfer of data between blocks operating at different rates
Signal Editor	Display, create, edit, and switch interchangeable scenarios
Weighted Sample Time	Support calculations involving sample time
Width	Output width of input vector

Conversión de señales

Bus to Vector	Convert virtual bus to vector
Signal Conversion	Convert signal to new type without altering signal values

Funciones

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Propiedades de una señal

`disableimplicitsignalresolution`	Convert model to use only explicit signal resolution
`signalBuilderToSignalEditor`	Import signal data and properties from Signal Builder block to Signal Editor block
`signalEditor`	Start Signal Editor
`Simulink.Signal`	Specify instance-specific properties of signal or discrete state
`Simulink.ValueType`	Specify properties of signals based on application-specific value types

Seguimiento de señales

`sltrace`	Trace signals in a model
`highlight`	Highlight tracing results
`removehighlight`	Remove highlighted tracing results

Objetos

sltrace.Graph Provide tracing information as graph for structure analysis

Herramientas

Signal Properties	View and edit signal properties
Instrumentation Properties	View and edit logging and visualization properties for logged signal
Property Inspector	Edit parameters and properties for any Simulink model element
Model Data Editor	Inspect and edit data items (signals, parameters, and states) in a table that you can sort, group, and filter

Temas

Introducción a las señales

Signal Basics
Create, configure, identify, and test signals.
Signal Types
Learn about different types of signals, such as control signals and composite signals.
Signal Groups
Test or debug models by creating interchangeable groups of signal data.

Propiedades de una señal

Investigate Signal Values
Initialize, access, and view the values that signals have during a simulation run.
Specify Signal Ranges
Specify the minimum and maximum value that a signal can attain during simulation. Fully specify your design and optimize data types and the generated code by specifying the minimum and maximum value that a signal can attain during simulation.
Determine Signal Dimensions
Inspect and control signal dimensionality.
Initialize Signals and Discrete States
Some systems contain signals and states whose initial values you must specify, for example, the starting position and velocity of a bouncing ball.
Configure Signals as Test Points
Use test points to exclude signal lines from optimizations which enables you to access the simulation data.
Specify Application-Specific Signal Properties
Specify attributes for application-specific value types, such as wind velocity.

Mostrar las propiedades de una señal

Highlight Signal Sources and Destinations
Trace a signal to its source or destination while debugging or exploring a model.
Display Port Values for Debugging
Display the values of block outputs on the block diagram during simulation.
Display Signal Attributes
Improve model readability by displaying signal attributes, such as data types and dimensions, in the block diagram.
Signal Label Propagation
Name a signal to identify and access it more easily. Take advantage of signal label propagation to reduce the effort of naming a signal that crosses system boundaries.
Trace Connections Using Interface Display
Display interfaces to trace signals through the nested levels, annotate signal characteristics, and view units associated with signals.

Señales de tamaño variable

Variable-Size Signal Basics
Create a variable-size signal whose size and values can change during a simulation.
Inspect Variable-Size Signals on Simulink Models
Inspect example models that show how to use variable-size signals.

Información relacionada

Ejemplos destacados

Matrix Signals

Use matrix and frame signals in Simulink® diagrams. Through this example, you can access models that relate to the following practical applications.

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Find Shortest Control Path in Simulink Model

How to find the shortest control path for a hybrid electrical vehicle using Signal Tracing Command-line API.

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Variable-Size Signal Basic Operations

How variable-size signals can be generated. It also illustrates some of the operations that can be applied to them. The purpose of this example is to introduce the basic operations associated with variable-size signals.

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Variable-Size Signal Length Adaptation

Model showing how to change the length of a signal over time.

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Multimode Variable-Size Signal

How to use different operation modes to correspond to different signal sizes.

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Merging Signals

Use conditionally executed subsystems and the Merge block to combine two inputs into a single output.

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