Results 71 to 80 of about 659,273 (124)

The application of satellite data to study the effects of latent heat release on cyclones [PDF]

open access: yes, 1984
Generalized energetics were studied for nonlinear inviscid symmetric instability (SI). It was found that the linear theory fails to predict the stability in certain cases where the basic state is transitional between stability and instability.
Clark, J. H. E.
core   +1 more source

Neural Nonparametric Stability Indicator for Self-Excited Dynamical Systems

open access: yesIEEE Access
This article introduces a novel methodology employing deep-learning neural networks to estimate Lyapunov functions in dynamic systems accurately. Unlike traditional parametric approaches, our method is model-free, enabling adaptability to various system ...
Krzysztof Lalik
doaj   +1 more source

A unified framework of rapid exponential stability and optimal feedback control for nonlinear systems

open access: yesAdvances in Mechanical Engineering, 2019
A novel framework of rapid exponential stability and optimal feedback control is investigated and analyzed for a class of nonlinear systems through a variant of continuous Lyapunov functions and Hamilton–Jacobi–Bellman equation.
Yan Li, Yuanchun Li
doaj   +1 more source

Contribution to stability analysis of nonlinear control systems [PDF]

open access: yesActa Montanistica Slovaca, 2003
The Popov criterion for the stability of nonlinear control systems is considered. The Popov criterion gives sufficient conditions for stability of nonlinear systems in the frequency domain.
Švarc Ivan
doaj  

Design of Robust Adaptive Nonlinear Backstepping Controller Enhanced by Deep Deterministic Policy Gradient Algorithm for Efficient Power Converter Regulation

open access: yesEnergies
Power converters play an important role in incorporating renewable energy sources into power systems. Among different converter designs, Buck and Boost converters are popular, as they use fewer components and deliver cost savings and high efficiency ...
Seyyed Morteza Ghamari   +2 more
doaj   +1 more source

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