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Št. zadetkov: 7
Reduced-order adaptive observer for rectangular descriptor systems with incremental quadratic constraints
Meenakshi Tripathi, Lazaros Moysis, Mahendra Kumar Gupta, Christos Volos
Izvirni znanstveni članek
Oznake: observer design;adaptive observer;descriptor system;differential algebraic equation;DAEs;nonlinear system;incremental quadratic constraints;
This paper investigates the challenge of reduced-order adaptive observer design for nonlinear rectangular descriptor systems. Nonlinearities satisfying incremental quadratic constraints are explored that cover Lipschitz, one-sided Lipschitz, monotone, and many other nonlinearities. The complexity of ...
Leto: 2025 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Chaos synchronization, anti-synchronization, and parameter estimation in a chaotic system with coexisting hidden attractors
Lazaros Moysis, Meenakshi Tripathi, Mahendra Kumar Gupta, Christos Volos
Objavljeni znanstveni prispevek na konferenci
Oznake: chaos;nonlinear system;control;observer design;observer;estimation;coexisting attractors;synchronization;descriptor system;singular system;DAEs;differential-algebraic equation;
This work considers the problem of chaos synchronization and parameter estimation, for the special case where the unknown parameters are linearly injected into the system. This case is of particular interest because scalar parameters often appear in systems with hidden attractors. For this type of s ...
Leto: 2021 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Adaptive observer design for systems with incremental quadratic constraints and nonlinear outputs
Lazaros Moysis, Meenakshi Tripathi, Mahendra Kumar Gupta, Muhammad Marwan, Christos Volos
Izvirni znanstveni članek
Oznake: chaos;observer design;chaos synchronization;adaptive observer;nonlinear system;incremental quadratic constraints;
This work addresses the problem of adaptive observer design for nonlinear systems satisfying incremental quadratic constraints. The output of the system includes nonlinear terms, which puts an additional strain on the design and feasibility of the observer, which is guaranteed under the satisfaction ...
Leto: 2022 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Observer design for nonlinear descriptor systems
Meenakshi Tripathi, Lazaros Moysis, Mahendra Kumar Gupta, George F. Fragulis, Christos Volos
Pregledni znanstveni članek
Oznake: descriptor system;nonlinear system;observer design;singular system;differential algebraic equation;Lipschitz;quadratic constraints;chaos;synchronization;signal estimation;
In general, the construction of observers for nonlinear descriptor systems depends on the solvability of a linear matrix inequality involving system matrices, and it is based on the system’s nonlinearity. Therefore, the type of nonlinearity present in the system heavily affects the observer design p ...
Leto: 2024 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Observer design for rectangular descriptor systems with incremental quadratic constraints and nonlinear outputs
Lazaros Moysis, Mahendra Kumar Gupta, Vikas K. Mishra, Muhammad Marwan, Christos Volos
Izvirni znanstveni članek
Oznake: observer design;observer;descriptor system;singular system;chaos;nonlinear system;synchronization;secure communications;
This work considers the problem of observer design for rectangular descriptor systems with nonlinearities satisfying incremental quadratic constraints. The observer design is feasible under the satisfaction of a linear matrix inequality and some algebraic relations in the system matrices. The specia ...
Leto: 2020 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Observers for rectangular descriptor systems with output nonlinearities
Lazaros Moysis, Aggelos Giakoumis, Mahendra Kumar Gupta, Christos Volos, Vikas K. Mishra, Viet-Thanh Pham
Izvirni znanstveni članek
Oznake: chaos;observer design;descriptor system;singular system;nonlinear system;secure communications;microcontroller;
This work considers full and reduced-order observer design for rectangular descriptor systems with application to secure communications. The output of the system is assumed to have a nonlinear term coupled with the linear part, a case that is often overlooked in the literature. The observer design i ...
Leto: 2021 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Analysis of a chaotic system with line equilibrium and its application to secure communications using a descriptor observer
Lazaros Moysis, Christos Volos, Viet-Thanh Pham, Sotirios K. Goudos, Ioannis Stouboulos, Mahendra Kumar Gupta, Vikas K. Mishra
Izvirni znanstveni članek
Oznake: chaos;nonlinear system;observer;observer design;secure communications;estimation;descriptor system;singular system;synchronization;hidden attractor;
In this work a novel chaotic system with a line equilibrium is presented. First, a dynamical analysis on the system is performed, by computing its bifurcation diagram, continuation diagram, phase portraits and Lyapunov exponents. Then, the system is applied to the problem of secure communication. We ...
Leto: 2019 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Št. zadetkov: 7
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