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Mechanical

Uploaded on

12 Nov 2022

Simulink Data Dictionary

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Skill-Lync

Simulink Data Dictionary(SSLD) is a signal & data maintaining repository where the signals & calibration data maintained or loaded in the form of m-script in the base workspace can be brought together under a single repository.

Unlike other database repositories where the data in it cannot be written or modified, in SLDD, data can be directly modified & edited.

The dictionary stores design data, which define parameters and signals, and includes data that define the model's behaviour. The dictionary does not store simulation data, which are model simulation inputs or outputs that enter and exit, and Import and Outport blocks.

A Simulink data dictionary permanently stores model data including MATLAB variables, data objects, and data types.

Steps To Create SLDD & Add Dictionary Objects :

Below are the steps to create SLDD and add dictionary objects: 

1) In the Simulink Editor, go to the Modeling tab.

2) Click Model Settings to open the Model Properties.

 

3) In Model properties, choose External Data and click on New to create a new dictionary. Then Apply -> OK.

 

4) Now save the SLDD with your preferred name.

 

5) Click on Apply -> OK.

6) Click on the icon at the leftmost bottom of the Simulink screen and click on External Data.

7) Click on Design Data and you can find a Base workspace.

8) To add Parameters , signals , variables, click on Add and choose.

9) For example here a Simulink signal is chosen.

10) The data type, dimensions, min, max value, unit, and sample time of the Simulink signal can be edited in the Design tab towards the right side of the window.

11) In the Model Hierarchy pane, right-click the Design Data section of the dictionary and select Import from File. Then browse to and select the MAT-file or MATLAB file that contains the data to import.

12) In the Model Hierarchy pane, expand the dictionary node and select Design Data > Export to File. Then save the design data to a MAT file or MATLAB script.

 


Author

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Navin Baskar


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Skill-Lync

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