PID multivariable tuning system using BLT method for distillation column

Most of the process industries are handling Multi-Input-Multi-Output (MIMO) system by using the classical Proportional-Integral-Derivative (PID) controller although there are wide researches in advanced control techniques. However, finding a good value for the controller parameters might be very cha...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2018-12, Vol.458 (1), p.12052
Main Authors: Biyanto, Totok Ruki, Sordi, Nurul Atiqah, Sehamat, Nurulsapika, Zabiri, Haslinda
Format: Article
Language:English
Subjects:
Comparative studies
Controllers
Distillation
Proportional integral derivative
Tuning
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Summary:Most of the process industries are handling Multi-Input-Multi-Output (MIMO) system by using the classical Proportional-Integral-Derivative (PID) controller although there are wide researches in advanced control techniques. However, finding a good value for the controller parameters might be very challenging and best tuning approach need to be considered to obtain a better performance. In this paper, biggest-log modulus (BLT) tuning method is adopted to tune decentralized PID controller based on 2x2 MIMO system and the effectiveness of the tuning method is observed. A comparative study on the settling time, overshoot and integral absolute error (IAE) are evaluated when a step change in u1, u2 and disturbance is introduced to the system. The simulation result demonstrates that BLT method has a better performance for a disturbance change response compared to set point change response.
ISSN:1757-8981
1757-899X
1757-899X
DOI:10.1088/1757-899X/458/1/012052