PID is a control 'filter' , which helps you get to a goal setpoint as fast as possible without overshoot or oscillation. The technique is siple realy:
The algorithim gives more power to the motor when it's further from the target, and less power when it's close to the target.
By choosing the Kp, Kd and Ki terms properly you can 'tune' the filter to respond smoothly and rapidly to any position demand without overshooting.
Thanks to: Mark Hull Engineering/Technical EMS (Africa) (Pty) Ltd For that introduction
NEW! MassMind.org BOB PID Servo Motor Control
Tuning a PID Motor Controller
An AC spindle motor will not benefit from PID mode in a driving VFD unless the motor is rated for full torque at zero speed. Otherwise, the best you can do is mechanically gear the motor down so it can run at high speed while the spindle is running slowly. Then the PID will have some effect. +
|file: /Techref/io/pid.htm, 4KB, , updated: 2018/11/17 13:38, local time: 2019/7/21 04:43,
|©2019 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions?|
<A HREF="http://www.piclist.com/Techref/io/pid.htm"> Proportional Integral Differential PID Motor Control</A>
|Did you find what you needed?|
PICList 2019 contributors:
o List host: MIT, Site host massmind.org, Top posters @20190721 RussellMc, David Van Horn, AB Pearce - UKRI STFC, Dwayne Reid, Bob Blick, Jason White, David C Brown, James Cameron, Allen Mulvey, Jim,
* Page Editors: James Newton, David Cary, and YOU!
* Roman Black of Black Robotics donates from sales of Linistep stepper controller kits.
* Ashley Roll of Digital Nemesis donates from sales of RCL-1 RS232 to TTL converters.
* Monthly Subscribers: Gregg Rew. on-going support is MOST appreciated!
* Contributors: Richard Seriani, Sr.
Welcome to www.piclist.com!