Stateflow.SimulationData.Data

Data values during simulation

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Description

Use Stateflow.SimulationData.Data to log the values of local and output data during simulation.

Creation

  1. In the Symbols pane, select a local or output data object.

  2. In the Property Inspector, under Logging, select the Log signal data check box.

Properties

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Logging name of the data object, specified as a character array. By default, the logging name for a data object is the name of the data object. To assign another name to the data object, in the Property Inspector, under Logging Name, select Custom and enter a custom logging name.

Data Types: char

Block path for the source block, specified as a Simulink.SimulationData.BlockPath object.

Data Types: Simulink.SimulationData.BlockPath

Logged data and time, specified as a timeseries object.

Data Types: timeseries

Object Functions

plotPlot simulation output data in the Simulation Data Inspector

Examples

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  1. Open the sf_semantics_hotel_checkin model.

  2. Open the Hotel chart.

  3. Open the Symbols pane. In the Simulation tab, in Prepare, click Symbols Pane.

  4. Open the Property Inspector. In the Simulation tab, in Prepare, click Property Inspector.

  5. Configure the service local data for logging.

    • In the Symbols pane, select service.

    • In the Property Inspector, on the Logging tab, select the Log signal data check box.

  6. Return to the Simulink® model.

  7. Simulate the model. After starting the simulation, check into the hotel by toggling the first switch and order room service multiple times by toggling the second switch. During simulation, Stateflow® saves logged data in a Simulink.SimulationData.Dataset signal logging object. The default name of the signal logging object is logsout. For more information, see Export Signal Data Using Signal Logging.

  8. Stop the simulation.

  9. To access the signal logging object, at the MATLAB® command prompt, enter:

    logsout = out.logsout
    logsout = 

Simulink.SimulationData.Dataset 'logsout' with 1 element

                        Name         BlockPath                        
                        ___________  ________________________________ 
    1  [1x1 Data ]      service      sf_semantics_hotel_checkin/Hotel

  10. To access logged element, use the get method.

    serviceLog = logsout.get('service')
    serviceLog = 

  Stateflow.SimulationData.Data
  Package: Stateflow.SimulationData

  Properties:
         Name: 'service'
    BlockPath: [1×1 Simulink.SimulationData.BlockPath]
       Values: [1×1 timeseries]

  11. To access the logged data and time of each logged element, use the Values.Data and Values.Time properties. For example, arrange logged data in tabular form by using the table function.

    Tbl = table(serviceLog.Values.Time,serviceLog.Values.Data);
Tbl.Properties.VariableNames = {'Time','Data'}
    Tbl =

  6×2 table

       Time       Data
    __________    ____
    1.7076e+06     0  
    1.8607e+06     1  
    1.9653e+06     2  
    1.9653e+06     3  
    1.9653e+06     4  
    2.2912e+06     5

See Also

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Topics

Introduced in R2017b

Stateflow Documentation

Support