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IJSTR >> Volume 8 - Issue 8, August 2019 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Design And Implementation Of Model Predictive Controller For MIMO System

[Full Text]



P.Vaishnavi, K.Sneha, K.M.Nandhini



Evaporator, System identification, Proportional Integral Derivative (PID), Model Predictive Controller (MPC), Integral Time Absolute Error (ITAE), Integral Square Error (ISE), Integral Absolute Error (IAE).



The evaporator is a Multi Input Multi Output (MIMO) system. The controlling of MIMO system is little difficult when compared with SISO (Single Input and Single Output) system. The flow rate of feed and vapor were considered as an input, then the dry matter content and flow rate of product were considered as an output. For superior controlling of the evaporator the model has to be developed accurately. For better accuracy more number of data has to been taken, and then the system identification was done by using MATLAB toolbox. Different controllers were available to control the process. In this work advanced controller like Model Predictive Controller and the conventional controller like PID controller were designed. By giving the different step input and disturbance to the system at various instance, the output of both controllers were evaluated using an error performance criteria. The simulation result shows how MPC give better result than the PID controller by comparing the time response of the system like rise time, settling time and overshoot.



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