TITLE

Design and Implementation of CDM-PI Control Strategy in a pH Neutralization System

AUTHOR(S)
Meenakshipriya, B.; Saravanan, K.; Krishnamurthy, K.; Bhaba, P. K.
PUB. DATE
August 2012
SOURCE
Asian Journal of Scientific Research;2012, Vol. 5 Issue 3, p78
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This study presents the design and implementation of a Coefficient Diagram Method (CDM) based PI controller in a pH neutralization System. By using the experimental step test method, the nonlinear pH System is approximated as First Order Plus Time Delay (FOPTD) transfer function. Based on the CDM, the tuning parameters of PI controller are designed and implemented in the laboratory scale strong acid-strong base pH neutralization System. The servo and regulatory performance of the proposed CDM-PI control strategy is compared with other conventional PI controllers at two different highly sensitive operating points. In addition, the robustness test is performed. The experimental results show that the proposed CDM-PI control strategy is effective and potential for severe non linear control problem.
ACCESSION #
75899603

 

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