In our application we weigh fruit. We are using a conveyor scale, moving over a chained plastic tray, at rates of 1 to 8-10 units / second. Each plastic tray have two contact point, traveling over load cell surface. An optical sensor send me a pulse when a tray is in the middle of a load cell. I=92m trying to read each fruit weight synchronously with the pulse, but I receive a raw weigh plus noise (mechanical vibration and rumble) and a damped oscillation due to many little shocks over load cell=92s cantilever. I=92m using a PCI-6013, 16 bit DAQ. I=92ve been logged raw load cell signal and compare it with averaged samples ( 300 @ 3000 Samples/sec), low pass Chebyshev or Butterworth filters, and Basic Averaged DC -RMS Vis=92 outputs. All processed signal look alike. I need info about a best signal processing and tricks, to get a precise read without decreasing the maximum machine speed. Thank You,
Alberto Tub=EDa ALTELEC Ing. Electr.
