Real time experiment and measurement noise

K

Thread Starter

K.PIRABA

Dear all;
Could anyone help me please?. Last three weeks i spend most of my time to remove the measurement noise in the position servo real time control. Basically i have implement an adaptive control for the servo. Without the real time servo (i,e with servo mathematical model) my algorithem is working fine (i.e, without any noise in the ouput). when i replaced the mathematical model by actual servo it gives lots of noise in the output. Also the servo input (control signal) become noisey as well. now i used a first order filter to reduce the noise. it doesn't help at all. please give some advise to me. where can i get some useful information.
Thank you somuch in advance.

p.s: i'm using a filtered derivative in my algorithm.
 
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