Thread: PID Help
View Single Post
  #23   Spotlight this post!  
Unread 29-01-2015, 23:06
Jared Russell's Avatar
Jared Russell Jared Russell is offline
Taking a year (mostly) off
FRC #0254 (The Cheesy Poofs), FRC #0341 (Miss Daisy)
Team Role: Engineer
 
Join Date: Nov 2002
Rookie Year: 2001
Location: San Francisco, CA
Posts: 3,077
Jared Russell has a reputation beyond reputeJared Russell has a reputation beyond reputeJared Russell has a reputation beyond reputeJared Russell has a reputation beyond reputeJared Russell has a reputation beyond reputeJared Russell has a reputation beyond reputeJared Russell has a reputation beyond reputeJared Russell has a reputation beyond reputeJared Russell has a reputation beyond reputeJared Russell has a reputation beyond reputeJared Russell has a reputation beyond repute
Re: PID Help

I do not know LabVIEW well, so this might already be what you are doing/the default behavior, but you should read your encoder in 4x decoding mode. This will effectively give you four times the encoder's CPR in resolution.

I doubt very much that you are experiencing significant sensor lag. Quadrature encoders are nearly instantaneous compared to the time constant of your mechanism.
Reply With Quote