Why is a high-pass filter used to realize the differential control action in a PID control algorithm? - Quora
Block diagram of PID controller and low pass filter, area-i, unit-k... | Download Scientific Diagram
Parameter optimization of PID controller for water and fertilizer control system based on partial attraction adaptive firefly algorithm | Scientific Reports
Design and analysis of fuzzy PID controller with derivative filter for AGC in multi‐area interconnected power system - Mohanty - 2016 - IET Generation, Transmission & Distribution - Wiley Online Library
Structure of PID controller with derivative filter. | Download Scientific Diagram