Performance analysis of different tuning rules for an isothermal CSTR using integrated EPC and SPC

This paper demonstrates the integration of Engineering Process Control (EPC) and Statistical Process Control (SPC) for the control of product concentration of an isothermal CSTR. The objectives of this study are to evaluate the performance of Ziegler-Nichols (Z-N), Direct Synthesis, (DS) and Interna...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2018-03, Vol.334 (1), p.12019
Main Authors: Roslan, A H, Abd Karim, S F, Hamzah, N
Format: Article
Language:English
Subjects:
Error analysis
Integrals
Normality
Performance evaluation
Stability analysis
Statistical analysis
Statistical process control
Tuning
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Summary:This paper demonstrates the integration of Engineering Process Control (EPC) and Statistical Process Control (SPC) for the control of product concentration of an isothermal CSTR. The objectives of this study are to evaluate the performance of Ziegler-Nichols (Z-N), Direct Synthesis, (DS) and Internal Model Control (IMC) tuning methods and determine the most effective method for this process. The simulation model was obtained from past literature and re-constructed using SIMULINK MATLAB to evaluate the process response. Additionally, the process stability, capability and normality were analyzed using Process Capability Sixpack reports in Minitab. Based on the results, DS displays the best response for having the smallest rise time, settling time, overshoot, undershoot, Integral Time Absolute Error (ITAE) and Integral Square Error (ISE). Also, based on statistical analysis, DS yields as the best tuning method as it exhibits the highest process stability and capability.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/334/1/012019