Development of PID & it's Autotuning Function on Mitsubishi PLC

Abstract

An implementation of PID and it's autotuning function from a simulation environment into the Mitsubishi Q - Programmable logic Controller. Development of PID and it's autotuning feature is vital for their use in a simulation environment and verification on simulation models. The real control system have to be linked to the simulation environment with a Mitsubishi Q-PLC to check the control algorithms on a real physical model. In this project, there is implementation of PID and it's autotuning function for demanding nonlinear and time-varying processes using programmable logic controllers. Programmable Logic Controller is used with low order process as a Level Trainer System. There is development of PID Function Block with auto tuning facility in Mitsubishi Q-PLC. PID auto tuning is generally involving the development of some form of process model and then choosing P, I, and D primarily based at the dynamic model parameters.