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Double integration of MPU 6050 data

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Noor Amira Ilyanie
Noor Amira Ilyanie on 16 Sep 2023
Edited: Star Strider on 16 Sep 2023
Why I keep getting like this graph? I want to compare the data for experimental which use the MPU 6050, with the simulation data from simulink. Do anyone know how to make the experimental graph same or slightly different with the simuation data? The red line is from the double integration of the MPU6050 data, while the blue line is from simulink model.

Answers (1)

Star Strider
Star Strider on 16 Sep 2023
Edited: Star Strider on 16 Sep 2023
Without knowing more, one possibility is that the integration of the MPU6050 data includes a constant (possibly an offset from zero) that is consistently being integrated, while the Simulink data does not.
I obviously have no way of checking that, given only the posted information.
EDIT — (16 Sep 2023 at 13:29)
One option to correct it might be to subtract the first element of the vector from the entire vector, then integrate that. (Create a copy of the original vector to do that, so that you retain the original vector.)

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