PID loops are a central component of modulating boiler control systems with applications ranging from basic steam header pressure control to cascading 3-element drum level control. A modern ...

Self-regulating systems with feedback loops, i.e., the routing back of the output of a system to its input, have existed since antiquity and have since become an integral part of modern technology.

A linear control variable yields a uniform surge margin across the full operating range and simplifies both closed-loop and ...

In the previous article, I showed how to compensate simple first-order systems. As a quick recap, a Proportional-Integral (PI) controller is all that is needed for compensating first-order systems ...

Due to continual exposure to high temperatures, high humidity and large amounts of dust, PID (Potential Induced Degradation) is unavoidable for PV modules and research indicates that permanent PID ...