Integrating Acceleration Data Matlab

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Timo Mayer
Timo Mayer 2020-11-20
评论： Timo Mayer 2020-11-20
Hi there,
I have the acceleration vs. time data that is attached. When I plot it, I get the following:
I want to integrate it to get the Velocity vs. Time graph but I do not know how to do this. I have tried trapz() but it only gives some weird linear graph.
If someone could let me know how to do this that would be greatly appreciated.
Cheers.

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采纳的回答

Alan Stevens
Alan Stevens 2020-11-20
Try
v = cumtrapz(X2(:,1),X2(:,2));
plot(X2(:,1),v)
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Alan Stevens
Alan Stevens 2020-11-20
Instead of
figure
plot(X2)
title('Acceleration (m/s^2) vs. Time (ms)')
xlabel('Time (ms)')
ylabel('Acceleration (m/s^2)')
use
figure
plot(t,accn)
title('Acceleration (m/s^2) vs. Time (ms)')
xlabel('Time (ms)')
ylabel('Acceleration (m/s^2)')
Similarly, I would use
plot(t,vel)
and
plot(t,dis)
for clarity.
Timo Mayer
Timo Mayer 2020-11-20
Great, thank you very much, now it looks much better!

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