How can I find displacement from acceleration on simulink?

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Abdullah Dursun
Abdullah Dursun 2016-11-15
回答： Shreshth 2024-8-21
I have earthquake ground acceleration data and want to get displacement by double integrating it on Simulink. I used either integration block or discrete integration blocks but finally I get cumulative displacement. It is not correct. How can I solve this issue.

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Shreshth
Shreshth 2024-8-21
To accurately derive displacement from earthquake acceleration data in Simulink:
1. Preprocess: Remove offsets and drift using demeaning and high-pass filtering.
2. Simulink Setup:
  • Integrate acceleration to velocity using an Integrator block.
  • Integrate velocity to displacement with another Integrator block.
3. Postprocess: Filter out any remaining drift and adjust for initial conditions.
This approach minimizes errors and improves the accuracy of displacement calculations.
Thanks

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