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Your search keyword '"Rathinasamy, Sakthivel"' showing total 15 results
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15 results on '"Rathinasamy, Sakthivel"'

3. A delay-product-type Lyapunov functional approach for enhanced synchronization of chaotic Lur'e systems using a quantized controller

Author

Boomipalagan Kaviarasan, Ramasamy Kavikumar, Oh-Min Kwon, and Rathinasamy Sakthivel

Subjects
chaotic lur'e systems, synchronization, delay-product-type lyapunov functional, quantization, time-varying delay, Mathematics, QA1-939
Abstract

The asymptotic synchronization problem of chaotic Lur'e systems in the master-slave framework was explored in this paper. A time-varying delay feedback controller with quantization considerations and a delay-product-type Lyapunov-Krasovskii functional technique were employed to tackle this problem. Consider an error system based on master and slave systems, for which sufficient asymptotic stability requirements are developed to assure that the addressed system achieves proper synchronization. Following that, the desired control gain was determined by finding a feasible solution to these stability requirements. The results of this paper were validated using a numerical example with simulations, which revealed that they were superior to previously published ones.

Published
2024
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15. Quantized Proportional-Integral Tracking Control for Two-Stage Chemical Reactor Systems

Author

Rathinasamy, Sakthivel, S, Priyanka, N, Shobana, and S, Mohanapriya

Abstract

This paper is concerned with the problem of proportional-integral tracking control of a two-stage chemical reactor system subject to time-delays, disturbances, uncertainties and input quantization. In this work, an improved equivalent-input-disturbance estimator is incorporated to the proportional-integral tracking control system to compensate the disturbances in the addressed model. Moreover, to minimize the communication congestion in the control networks, the quantized control input signals is considered while designing the controller. Further, a robust stability condition for the addressed system is established in the form of linear matrix inequalities by employing asymmetric Lyapunov-Krasovskii functional together with Jensen's integral inequalities. Moreover, in accordance with the derived conditions, the control and observer gain matrices are determined. Finally, a numerical example is provided to demonstrate the validity of the proposed control scheme.

Published
2024
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