How can i take double integral of a second derivative?

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Sarah
Sarah 2014-12-18
评论： luc 2014-12-18
I am working on a problem in which I am taking the equations of motion of a quadcopter and applying PD control on them. As the result, I am getting the second derivatives of x,y and z. But I need the z value which is the displacement in z direction from the second derivative of z( its acceleration). I saw a simulink model where they took they placed the values through a integrator. Can I do something similar in my code?
Any help is appreciated.
Thanks.

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