When using Simulink in a dSpace Real Time Model, how can you get machine date and time into the model

mjmaginley - 2024-05-24T19:30:44+00:00

Question: When using Simulink in a dSpace Real Time Model, how can you get machine date and time into the model

Without using datevec,  how can I get machine / computer real date and time into a simulink model for dSpace Real Time simulation?  

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Expert Answer

Kshitij Singh answered . 2025-11-20

When working with Simulink in a dSPACE Real-Time Model, you can obtain the machine’s date and time for real-time simulations. Here are two approaches:

1. Using Embedded MATLAB Function Block:

   • Add an Embedded MATLAB Function block to your Simulink model.
   • Inside the block, use the following code snippet to retrieve the date and time components:

     function [Y, M, D, H, MN, S] = getDateTime()
         eml.extrinsic('now');
         eml.extrinsic('datevec');
         nowTime = now();
         [Y, M, D, H, MN, S] = datevec(nowTime);
     end
     

   • The output variables Y, M, D, H, MN, and S represent the year, month, day, hour, minute, and second, respectively¹.

2. Using Real-Time Interface (RTI) with dSPACE Hardware:

   • If you’re using dSPACE hardware, the Real-Time Interface (RTI) allows seamless integration of Simulink models with dSPACE systems.
   • RTI provides blocks that implement I/O capabilities for dSPACE hardware within your Simulink models.
   • While this doesn’t directly provide the machine date and time, it’s essential for real-time simulations and hardware-in-the-loop testing²

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