When:
Thursday, February 2, 2023
2:00 PM - 3:00 PM CT
Where: Online
Audience: Faculty/Staff - Student - Post Docs/Docs - Graduate Students
Contact:
Joan West
(847) 491-3645
Group: Physics and Astronomy Complex Systems Seminars
Category: Academic
Recently, sum-of-squares (SOS) based methods have been used for the stability analysis and control synthesis of polynomial dynamical systems. This analysis framework was also extended to non-polynomial dynamical systems, including power systems, using an algebraic reformulation technique that recasts the system’s dynamics into a set of polynomial differential algebraic equations. Nevertheless, for large scale dynamical systems this method becomes inapplicable due to its computational complexity. For this reason, we develop a subsystem-based stability analysis approach using vector Lyapunov functions and introduce a parallel and scalable algorithm to infer the stability of the interconnected system with the help of the subsystem Lyapunov functions. Furthermore, we design adaptive and distributed control laws that guarantee asymptotic stability under a given external disturbance. Finally, we apply this algorithm for the stability analysis and control synthesis of a network preserving power system.
Marian Anghel, Los Alamos National Laboratory
Host: Adilson Motter
*This seminar will be held online via Zoom