Design of Adaptive Controller Based On Lyapunov Stability for a CSTR

Nonlinearity is the inherent characteristics of all the industrial processes. The Classical control approach used for a generation often fails to show better results particularly for non-linear systems and in the systems, whose parameters changes over a period of time for a variety of reasons. Alternatively, adaptive control strategies provide very good performance. The Model Reference Adaptive Control based on Lyapunov stability analysis and classical PI control strategies are designed and evaluated for Continuous Stirred Tank Reactor, which shows appreciable dynamic nonlinear characteristics.

• S. Anbu
• N. Jaya

• Adaptive Control
• CSTR
• Lyapunov stability
• MRAS
• PID.

[1] Karl J. Astrom, Adaptive Control, Pearson Education, Second Edition, 2006
[2] B. Wayne Bequette. Process Control, Modeling, Design, and Simulation. Prentice Hall of India, First Edition 2004.
[3] Katsuhiko Ogata, Modern Control Engineering, Prentice Hall of India, Third Edition 1997.
[4] Jari M. Boling.”Multi-Model Adaptive Control of a Simulated pH Neutralization Process”, Journal of Control Engineering Practices 15(2007) 663-672.
[5] P. Dostál, J. Vojtěšek, and V. Bobál, "Simulation of Adaptive Control of a Continuous Stirred Tank Reactor," in Proc. 23rd European Conference on Modelling and Simulation, ECMS 2009, Madrid, Spain, 2009, pp. 625-630.
[6] P. Dostál, V. Bobál, F. Gazdoš, "Adaptive Control of a Nonlinear Process by Two Feedback Controllers," in: 13th Mediterranean Conference on Control and Automation, Limassol, Cyprus, 2005, pp. 946-951.