- Use 'From Workspace' block using which you can load data from base workspace into a Simulink Model.
 - Next, you can use 'Simulink-PS Converter' to convert the output of above block into a physical signal.
 
- https://www.mathworks.com/help/simulink/slref/fromworkspace.html
 - https://www.mathworks.com/help/simscape/ref/simulinkpsconverter.html
 


