Department of Chemical Engineering
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Item Particle Swarm Optimization based Fuzzy Logic Control of pH Neutralization Process(IJAER, 2015-06) Mohanta, Hare Krishna; Bhanot, SurekhapH control plays an important role in many modern industrial plants due to strict environment regulations. This paper presents fuzzy logic based pH control scheme for neutralization process in which particle swarm algorithm is used to optimize the input and output membership functions of fuzzy inference system. Performance of control scheme has been evaluated for servo and regulatory operations.Item Genetic Optimization based Adaptive Fuzzy Logic Control of a pH Neutralization Process(Sersc, 2014) Mohanta, Hare Krishna; Bhanot, SurekhaItem Neural Control of Neutralization Process using Fuzzy Inference System based Lookup Table(IJCA, 2021-10-20) Mohanta, Hare Krishna; Bhanot, SurekhaOver a number of years, pH control of neutralization process is recognized as a benchmark for modeling and control of nonlinear processes. This paper first describes dynamic modeling of pH neutralization process. Thereafter fuzzy logic based pH control scheme for neutralization process is developed. Further, a two-dimensional (2-D) lookup table is generated based on defuzzification mechanism of fuzzy inference system (FIS). Finally, using this lookup table, a neural network control for pH neutralization process is developed. Performances of fuzzy logic based control and lookup table based neural network control for servo and regulatory operations are compared based on integral square error (ISE) and integral absolute error (IAE) criterions. Results indicate that lookup table based neural network control performs better than fuzzy logic based control.