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Erman Ozpolat and Arif Gulten
This paper explores the synchronization and implementation of a novel hyperchaotic system using an adaptive observer. Hyperchaotic systems, known for possessing a greater number of positive Lyapunov exponents compared to chaotic systems, present unique c...
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Yufei Wang, Honghai Zhang, Zongbei Shi, Jinlun Zhou and Wenquan Liu
General aviation accidents have complex interactions and influences within them that cannot be simply explained and predicted by linear models. This study is based on chaos theory and uses general aviation accident data to conduct research on different t...
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Aykut Tamer and Pierangelo Masarati
Rotorcraft stability is an inherently multidisciplinary area, including aerodynamics of rotor and fuselage, structural dynamics of flexible structures, actuator dynamics, control, and stability augmentation systems. The related engineering models can be ...
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Mihai Bugaru and Ovidiu Vasile
Time?history analysis (THA), the Lyapunov Exponents Approach (LEA), and the Poincaré Map (PM) are enhanced to investigate the dynamic instability of forced torsional vibrations (FTV) for a double tripod industrial driveshaft (DTID) in transition through ...
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Zhiyong Cui, Dongbo Zhong and Xiaohong Qiu
Time-delay chaotic systems with multiple positive Lyapunov exponents have been extensively studied in the field of information security. This paper proposes a new four-dimensional time-delay Lorenz system and its chaotic synchronization through the Lyapu...
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Sunamita Souza e Silva Alarcão, Fábio Roberto Chavarette, Vandana
Pág. e46943
The emission of sounds is an important means of communication between animals, which helps them to find a partner, establish their territory, and even alert other members of a population about a possible threat. In human beings, the emission of sounds al...
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Alex Elías-Zúñiga, Luis M. Palacios-Pineda, Daniel Olvera-Trejo and Oscar Martínez-Romero
The aim of this paper focuses on finding equivalent representation forms of forced, damped, two degree-of-freedom, nonlinear systems in the sense of Lyapunov by using a nonlinear transformation approach that provides decoupled, forced, damped, nonlinear ...
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Petros A. Daltzis, Christos K. Volos, Hector E. Nistazakis, Andreas D. Tsigopoulos and George S. Tombras
In this work, a 4D hyperchaotic hyperjerk system, with better results for its Lyapunov exponents and Kaplan?Yorke dimension regarding other systems of this family, as well as its circuit implementation, is presented. Hyperchaotic hyperjerk systems depict...
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Andrew D. Jensen, Anthony R. Lupo, Igor I. Mokhov, Mirseid G. Akperov and DeVondria D. Reynolds
Enstrophy in a fluid relates to the dissipation tendency in a fluid that has use in studying turbulent flows. It also corresponds to vorticity as kinetic energy does to velocity. Earlier work showed that the integrated regional enstrophy (IRE) was relate...
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Junfei Qiao, Zhiqiang Hu and Wenjing Li
The precision of soft measurement for biochemical oxygen demand (BOD) is always restricted due to various factors in the wastewater treatment plant (WWTP). To solve this problem, a new soft measurement modeling method based on chaos theory is proposed an...
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