Any Industrial Process or automated system should run under a controlled process. One such control system which keeps any automated system or a process to be intact is a PID controller. It was initially developed by Elmer Sperry in the year 1911, but it was not evaluated until 1942 when Nicholas and Ziegler added a few parameters and gave life to the PID controller. PID controllers were initially used in Pneumatic control systems and later from the mid-1950s it is extensively used for industrial … [Read more...]