• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2016, Volume: 9, Issue: 12, Pages: 1-5

Original Article

Designing of PID Controllers for pH Neutralization Process


Objective: To design PID controller with different tuning methods for pH Neutralization process. Methods: Controlling of pH in neutral region is an important process as small change in input gives the huge change in the output. The PID controller is designed using three different tuning methods like Marlin method, Smith et al. method and Branica et al. method. The performance analysis is done for PID controllers in Acid, Neutral and Base region by keeping set point in 5, 7 and 12. Findings: From the simulation result it is found that Branica et al. method is better when compared to the other two methods. Applications/Improvements: pH Neutralization process is more important in waste water treatment, pharmaceuticals, food production etc.

Keywords:Nonlinear Process, pH Neutralization Process, PID Controller


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