Results 131 to 140 of about 16,456 (286)

Entropy in Hydrology

open access: yesPerspectives of Earth and Space Scientists, Volume 6, Issue 1, December 2025.
Abstract Although the concept of thermodynamic entropy due to Clausius dates back to the early 1850s, the mathematical theory of informational entropy was not developed until the pioneering work of Shannon in 1948, the development of principle of maximum entropy (POME) and theorem of concentration by Jaynes in 1957, principle of minimum cross entropy ...
Vijay P. Singh
wiley   +1 more source

Process Resilience under Optimal Data Injection Attacks

open access: yesAIChE Journal, Volume 71, Issue 8, August 2025.
Abstract In this article, we study the resilience of process systems in an information‐theoretic framework, from the perspective of an attacker capable of optimally constructing data injection attacks. The attack aims to distract the stationary distributions of process variables and stay stealthy, simultaneously.
Xiuzhen Ye, Wentao Tang
wiley   +1 more source

Nonlocal Cooperative Behavior, Psychological Effects, and Collective Decision‐Making: An Exemplification With Predator–Prey Models

open access: yesMathematical Methods in the Applied Sciences, Volume 48, Issue 12, Page 12011-12037, August 2025.
ABSTRACT In bio‐social models, cooperative behavior has evolved as an adaptive strategy, playing multi‐functional roles. One of such roles in populations is to increase the success of the survival and reproduction of individuals and their families or social groups.
Sangeeta Saha   +2 more
wiley   +1 more source

Dichotomies and Lyapunov functions

open access: yesJournal of Differential Equations, 1978
openaire   +2 more sources

Neuro‐Observer Based Adaptive Fixed‐Time Fault‐Tolerant Control for Uncertain Teleoperation System With Input Saturation and Asymmetric Time‐Varying Output Constraints

open access: yesInternational Journal of Robust and Nonlinear Control, Volume 35, Issue 11, Page 4536-4553, 25 July 2025.
ABSTRACT The issue of master‐slave synchronization tracking control for uncertain teleoperation systems with input saturation and asymmetric time‐varying output constraints under actuator failure is investigated. Firstly, a neural network‐based nonlinear disturbance observer is designed to mitigate the negative impact of the compound uncertainty ...
Longnan Li   +3 more
wiley   +1 more source

Fixed‐Time Adaptive Neural Control for Physical Human–Robot Collaboration With Time‐Varying Workspace Constraints

open access: yesInternational Journal of Robust and Nonlinear Control, Volume 35, Issue 11, Page 4480-4496, 25 July 2025.
ABSTRACT Effective physical human–robot collaboration (pHRC) requires strict safety guarantees since robots coordinate with human actions in a shared workspace. Moreover, compliance is essential, enabling robots to adjust their stiffness and behavior in response to human interaction forces. This paper presents a novel fixed‐time adaptive neural control
Yuzhu Sun   +6 more
wiley   +1 more source

Distributed safe formation tracking control of multiquadcopter systems using barrier Lyapunov function. [PDF]

open access: yesFront Robot AI
Sadeghzadeh-Nokhodberiz N   +3 more
europepmc   +1 more source

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