Genetic algorithm optimization analysis for temperature control system using cascade control loop model
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This research presented a holistic approach in determining the trade-off optimized Proportional-Integral-Derivative (PID) tunings for both servo and regulatory controls of the cascade control loop by using Genetic Algorithm (GA). Performance of GA-based PID tunings was significantly compared with the IMC-based single loop tunings and conventional cascade control tunings. GA-based PID tunings eliminated the complicated mathematic calculations in obtaining the correlation PID tuning values and also reduce the dependency on engineering knowledge, experience, and skills. The performance of transient and steady-state responses was compared through time domain specification, performance index, and process response curve. It is concluded that the GA-based PID tunings for the cascade control loop had produced the best result for both servo and regulatory control objectives, which is eventually determined.
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Revisiting cascade control system and experimental analysis to PID setting for improved process controlChew, I.; Wong, F.; Nandong, Jobrun; Bono, A.; Wong, Kiing-Ing (2017)© 2017 American Scientific Publishers. All rights reserved. The single loop feedback control is commonly used in process control. However, overall performance can be further improved by using cascade control methodology. ...
Heuristic-based multi-scale control procedure of simultaneous multi-loop PID tuning for multivariable processesNandong, Jobrun (2015)© 2015 Elsevier Ltd. All rights reserved.A multi-loop PID control system is widely used in process industry where finding good values for the controller parameters is very challenging without systematic procedures. In ...
Stabilization and analytical tuning rule of double-loop control scheme for unstable dead-time processUgon, Bejay; Nandong, Jobrun; Zang, Zhuquan (2017)© Published under licence by IOP Publishing Ltd. The presence of unstable dead-time systems in process plants often leads to a daunting challenge in the design of standard PID controllers, which are not only intended to ...