Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Rodrigo Tumolin Rocha"'
Publikováno v:
Complexity, Vol 2018 (2018)
The dynamical analysis and control of a nonlinear MEMS resonator system is considered. Phase diagram, power spectral density (FFT), bifurcation diagram, and the 0-1 test were applied to analyze the influence of the nonlinear stiffness term related to
Externí odkaz:
https://doaj.org/article/9e430bf5b90b43d7b50da9f19870f4f2
Autor:
Alexandre de Castro Alves, Angelo Marcelo Tusset, Jose Manoel Balthazar, Jeferson Jose de Lima, Frederic Conrad Janzen, Rodrigo Tumolin Rocha, Airton Nabarrete
Publikováno v:
Shock and Vibration, Vol 2017 (2017)
Renewable energy sources for vehicles have been the motivation of many researches around the world. The reduction of fossil fuels deposits and increase of the pollution in cities bring the need of more efficient and cleaner energy sources. In this wa
Externí odkaz:
https://doaj.org/article/c157206d9f754bb489fbfc2528d13950
Autor:
Mauricio A. Ribeiro, Wagner B. Lenz, José Manoel Balthazar, Rodrigo Tumolin Rocha, Angelo Marcelo Tusset
Publikováno v:
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Made available in DSpace on 2022-04-28T19:42:06Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01 In this work, the nonlinear dynamics and control of an atomic force microscopy (AFM) in fractional-order are investigated. Numerical simulati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65f3fed944838d99beca9dba3d2ae795
https://doi.org/10.1140/epjs/s11734-021-00242-6
https://doi.org/10.1140/epjs/s11734-021-00242-6
Publikováno v:
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Made available in DSpace on 2022-04-28T19:43:35Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-10-01 In this work, dynamical analysis and synchronization control for a four-dimensional Lorenz system are presented. Numerical simulations have s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cad47e4066e9288479779bbcae8c0eef
https://doi.org/10.1007/s13538-021-00943-2
https://doi.org/10.1007/s13538-021-00943-2
Publikováno v:
Journal of Microelectromechanical Systems. 29:1362-1371
We present a study of the natural (resonance) frequencies of a tunable in-plane Microelectromechanical portal frame (U-shape) under DC electrostatic loads. The structure is designed and fabricated to excite the in-plane anti-symmetric (sway, first) a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3f868853ad31678c8a9d6096fd221d8
https://doi.org/10.1109/jmems.2020.3020230
https://doi.org/10.1109/jmems.2020.3020230
Autor:
Angelo Marcelo Tusset, José Manoel Balthazar, Rodrigo Tumolin Rocha, Mauricio A. Ribeiro, Wagner B. Lenz
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 235:4760-4767
In this paper, a piezoelectric energy harvesting application on a portal frame of two-degrees-of-freedom considering a quadratic coupling between the coordinates with two-to-one internal resonance is considered. The piezoelectric material is consider
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99c04d67dfc1cb1b2b0a4b3ac33c220a
https://doi.org/10.1177/0954406220939994
https://doi.org/10.1177/0954406220939994
Autor:
Vinícius Piccirillo, Marcus Varanis, Angelo Marcelo Tusset, Rodrigo Tumolin Rocha, José Manoel Balthazar, Airton Nabarrete, Grzegorz Litak, Clivaldo Oliveira
Publikováno v:
Journal of the Franklin Institute. 357:2067-2082
This paper deals with a non-ideal system with memory by possessing a fractional damping term. The system is characterized by additional cubic nonlinearity. Based on the time series form of the numerical simulations of this non-ideal model, the nonlin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55f6d488afe1722faec662f23afcb39b
https://doi.org/10.1016/j.jfranklin.2019.11.048
https://doi.org/10.1016/j.jfranklin.2019.11.048
Autor:
João Pedro Norenberg, Marcus Varanis, Clivaldo Oliveira, José Manoel Balthazar, Ângelo Marcelo Tusset, Rodrigo Tumolin Rocha
Publikováno v:
Brazilian Journal of Physics. 50:235-244
In this paper, an energy harvesting model based on a portal frame structure, modeled as a duffing system, with a non-ideal excitation force, DC motor with an unbalanced mass, is presented and the piezoelectric coupling is designed to exhibit nonlinea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19ee4f3c650d9ceb7dc8416d52c7363b
https://doi.org/10.1007/s13538-019-00733-x
https://doi.org/10.1007/s13538-019-00733-x
Autor:
Angelo Marcelo Tusset, Mauricio A. Ribeiro, Wagner B. Lenz, Rodrigo Tumolin Rocha, José Manoel Balthazar
Publikováno v:
Nonlinear Dynamics. 99:537-557
This work investigates the behavior of the linear and nonlinear stiffness terms and damping coefficient related to the dynamics of a microelectromechanical resonator. The system is controlled by forcing it into an orbit obtained from the analytical s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9867a5aaedade1e4f18841d1fffc9488
https://doi.org/10.1007/s11071-019-05421-8
https://doi.org/10.1007/s11071-019-05421-8
Publikováno v:
Scientific reports. 12(1)
Saturation is an intriguing phenomenon that has captured the attention of scientists since the time of Froude when he reported it for ship motion in the mid of the nineteenth century. This work presents the demonstration and a comprehensive study of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b13169d05ebd83b4d5da39ff79c750f
https://pubmed.ncbi.nlm.nih.gov/35729242
https://pubmed.ncbi.nlm.nih.gov/35729242