Controlling hydraulic motion with precision involves understanding the fundamental difference between servo motors and hydraulic actuators. Electric motors generally respond linearly to control inputs ...
A unified approach to advanced control can make utilizing the full power of PID less of an art and more of a documented, fast and straightforward procedure. This column, first in a series of “User ...
The well-known and nearly hundred years old "proportional-integral- derivative"(PID) controller is a linear feedback control method which adjusts the input signal by ...
In the nearly 40 years since electronic control systems first became common features of industrial machines, controls theory has necessarily evolved to keep pace with machine design. Early on, systems ...
The tuning of proportional-integral-derivative (PID) control loops was an important change at HollyFrontier’s Navajo Refinery in Artesia, N.M. Its hands-on, “mandraulic” culture was no longer cutting ...
(Editor's additional note: if you are not familiar with the principles and analysis of PID control: you should be; It is the most important, studied, understandable, and applied closed-loop control ...
In the 4th of a 6 part series on Fuzzy Logic, Bob Pease models a big truck in op amps, then whips up a speed limiter without needing FL to do it Recently, one of my far-flung friends sent me a ...
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