Complementary Filter Reset Orientation

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Alexis 2023-12-7

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https://ww2.mathworks.cn/matlabcentral/answers/2057554-complementary-filter-reset-orientation

评论： Alexis 2024-1-8

Hi all,

I am using the complementary filter block on Simulink to estaimate the Orientation of my IMU. This seems to be working okay. But what I can't seem to figure out is how to reset the Orientation to either no rotation (so as if I start measuring again) or to a specific orientation. Is there a possibility to do this with the Block?

I could do it afterwards, by using a boolean which stores the orientation at the specific point in time I want to reset it and then just rotates the orientation back by that amount, but there must be a better solution for this.

I hope I could explain the problem well enough, but if not, don't hesitate to ask!

Thanks!

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Arun 2023-12-26

@Alexis do you want to change the orientation to different values during the simulation?

Alexis 2024-1-8

Well, yes and no. I have another method of calculating the orientation that is much more precise, but which I only do every couple of minutes. So the goal would be to update the current orientation with the one I calculated precisely every couple of minutes and then continue integrating from that one using the IMU until I have a new precise measurement.

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