03-08-2024 07:44 PM
Hello,
I am working with the Piezo Stack Amplifier (from Newman), 3 Channel, Open-loop Position Control (Model NPC3) to translate the controller's analog output to position values in microns such that an external nanopositioner can be controlled. I am using an external DAQ from National Instru,ents and the National Instruments LabVIEW software to convert/transmit the analog signals to the nanopositioner, but I am getting issues with the error in these values. The value that the Piezo reads for all 3 axes are roughly 0.2microns different from the value read by the analog input that has been converted to a position value. Would you have any idea how to use the Piezo to convert the analog output to position values?
Please let me know if you have any insight!
03-09-2024 01:41 PM
Have you considered the Analog Input and Output accuracy specifications and your position controller?
Have you attempted to calibrate the position control system, including your DAQ as a System?