Results 51 to 60 of about 619,915 (201)

UAV‐Based Precision Seed Dropping for Automated Reforestation

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT Wildfires and deforestation pose significant threats to forest ecosystems, motivating scalable methods for reforestation beyond labor‐intensive cultivation of native forest seedlings in nurseries. To enable large‐scale direct seeding of native species, this paper presents the design, analysis, and field evaluation of a UAV‐based seed‐dropping ...
Qi Rui Lee   +5 more
wiley   +1 more source

FREQUENCY SWITCHED CHUA'S CIRCUIT: EXPERIMENTAL DYNAMICS CHARACTERIZATION

open access: yes, 2001
In this letter the so-called frequency switched Chua's circuit is presented. Its realization is based on the introduction of a switch device into the Chua's circuit, realized by using three State-Controlled CNN cells.
LUIGI FORTUNA   +3 more
core   +1 more source

Stabilizing Unstable Periodic Orbits of the Multi-Scroll Chua's Attractor

open access: yesNonlinear Analysis, 2007
This paper addresses the control of the n-scroll Chua’s circuit. It will be shown how chaotic systems with multiple unstable periodic orbits (UPOs) detected in the Poincar´e section can be stabilized as well as taking the system dynamics from one UPO to ...
A. Boukabou, A. Chebbah, A. Belmahboul
doaj   +1 more source

Soil Salinization Level Monitoring and Classifying by Mixed Chaotic Systems

open access: yesRemote Sensing, 2021
Soil salinization process is a complex non-linear dynamic evolution. To classify a system with this type of non-linear characteristic, this study proposed a mixed master/slave chaotic system based on Chua’s circuit and a fractional-order Chen-Lee chaotic
Anhong Tian   +4 more
doaj   +1 more source

The social life of money for children

open access: yesThe British Journal of Sociology, EarlyView.
Abstract Inspired by Nigel Dodd's The Social Life of Money, this article proposes an analysis of entangled economic lives, that is, how meaning, structures and politics jointly shape the flow of monies within households. The past decades have marked a shift from “childrearing expenditures” to “parenting investments” that align with new visions of both ...
Nina Bandelj
wiley   +1 more source

A novel approach to the convergence analysis of chaotic dynamics in fractional order Chua’s attractor model employing fixed points

open access: yesAlexandria Engineering Journal
This article uses a fixed point method to connect with Chua’s attractor model, incorporating the Atangana–Baleanu derivative using a two-step Lagrange polynomial.
Mudasir Younis   +3 more
doaj   +1 more source

Structured decision‐making as a framework to incorporate social equity into conservation decisions

open access: yesConservation Biology, EarlyView.
Abstract Many conservation challenges require negotiating trade‐offs between the needs of different actors. Global frameworks such as the Kunming–Montreal Global Biodiversity Framework explicitly call for diverse participation and social equity in conservation decision‐making.
Emily Massingham   +2 more
wiley   +1 more source

Chua's Circuit Implementations [PDF]

open access: yes, 2009
Since the birth of the Chua circuit in 1983, a considerable number of fruitful, fascinating and relevant research topics have arisen. In honor of the 25th anniversary of the invention of Chua's circuit, this book presents the 25 years of research on the implementation of Chua's circuit, and also discusses future directions and emerging applications of ...
FORTUNA, Luigi   +2 more
openaire   +3 more sources

Hyperchaotic behaviour of two bi-directionally coupled Chua's circuits [PDF]

open access: yes, 2002
In this paper, a non-linear bi-directional coupling of two Chua's circuits is presented. The coupling is obtained by using polynomial functions that are symmetric with respect to the state variables of the two Chua's circuits.
Cincotti, Silvano   +2 more
core   +1 more source

Multiple Access Chua Chaotic Communication system using Real Orthogonal Matrix Approach [PDF]

open access: yesEngineering and Technology Journal, 2018
An alternative to traditional Pseudo-Noise (PN)-Sequences, one-dimension (1D) orthogonal chaotic map sequences, and three dimensional (3D) continuous chaotic systems (x,y,z) are generated by orthonormal Gram-Schmidt process. A new Orthogonal Chua Chaotic
Ali Radhi
doaj   +1 more source

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