Design of nonlinear PID controller and nonlinear model predictive controller for a continuous stirred tank reactor |
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Authors: | J Prakash K Srinivasan |
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Affiliation: | aDepartment of Instrumentation Engineering, Madras Institute of Technology, Anna University, Chennai-44, India |
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Abstract: | In this paper, the authors have represented the nonlinear system as a family of local linear state space models, local PID controllers have been designed on the basis of linear models, and the weighted sum of the output from the local PID controllers (Nonlinear PID controller) has been used to control the nonlinear process. Further, Nonlinear Model Predictive Controller using the family of local linear state space models (F-NMPC) has been developed. The effectiveness of the proposed control schemes has been demonstrated on a CSTR process, which exhibits dynamic nonlinearity. |
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Keywords: | CSTR PID controller and model predictive controller |
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