How to Simulate Control Systems Using the PID Controller Add-In | COMSOL Blog
Parameter optimization of PID controller for water and fertilizer control system based on partial attraction adaptive firefly algorithm | Scientific Reports
Understanding PID control and loop tuning fundamentals | Control Engineering
Proportional Controller - an overview | ScienceDirect Topics
Optimizing to the tune of a PID equation - ISA
control - What are good strategies for tuning PID loops? - Robotics Stack Exchange