Rodrigo Tumolin Rocha

Postdoctoral Fellows

Alumni

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Research Interests

Nonlinear dynamics, energy harvesting and control of mechanical and electromechanical systems in MACRO and MEMS scale

Selected Publications

Journal Papers

  1. Rocha, R. T., Arbex, H. C., Janzen, F. C., de Souza, S. L. T., Balthazar, J. M. and Tusset, A. M. On a non-ideal magnetic levitation system: nonlinear dynamical behavior and energy harvesting analyses. Nonlinear Dynamics, 1-16, 2019.
  2.  dos Santos, G. P., Balthazar, J. M., Janzen, F. C., Rocha, R. T., Nabarrete, A., and Tusset, A. M. Nonlinear dynamics and SDRE control applied to a high-performance aircraft in a longitudinal flight considering atmospheric turbulence in flight. Journal of Sound and Vibration, 436, 273-285, 2018.
  3.  Felix, J. L. P., Balthazar, J. M., Rocha, R. T., Tusset, A. M. and Janzen, F. C. On vibration mitigation and energy harvesting of a non-ideal system with autoparametric vibration absorber system. Meccanica, 53(13), 3177-3188, 2018
  4.  Rocha, R. T., Balthazar, J. M., Tusset, A. M., and Piccirillo, V. Using passive control by a pendulum in a portal frame platform with piezoelectric energy harvesting. Journal of Vibration and Control, 24(16), 3684-3697, 2018.
  5.  Balthazar, J. M., Tusset, A. M., Brasil, R. M., Felix, J. L., Rocha, R. T., Janzen, F. C., Nabarrette, A., and Oliveira, C. An overview on the appearance of the Sommerfeld effect and saturation phenomenon in non-ideal vibrating systems (NIS) in macro and MEMS scales. Nonlinear Dynamics, 93(1), 19-40, 2018.
  6.  Rocha, R. T., Balthazar, J. M., Tusset, A. M. and Quinn, D. D. (2018). An analytical approximated solution and numerical simulations of a non-ideal system with saturation phenomenon. Nonlinear Dynamics, 94(1), 429-442, 2018.
  7.  Rocha, R. T., Balthazar, J. M., Tusset, A. M., Piccirillo, V. and Felix, J. L. O. Nonlinear piezoelectric vibration energy harvesting from a portal frame with two-to-one internal resonance. Meccanica, 52 (11-12), 2583-2602, 2017.
  8.  Tusset, A. M., Janzen, F. C., Piccirillo, V., Rocha, R. T., Balthazar, J. M. and Litak, G.. On nonlinear dynamics of a parametrically excited pendulum using both active control and passive rotational (MR) damper. Journal of Vibration and Control, 1077546317714882, 2017.
  9.  Alves, A. C., Tusset, A. M., Balthazar, J. M., Lima, J. J. D., Janzen, F. C., Rocha, R. T. and Nabarrete, A.. SDRE control applied to the wheel speed of a compressed air engine with crank-connecting-rod mechanism. Shock and Vibration, 2017.
  10.  Rocha, R. T., Balthazar, J. M., Tusset, A. M., Piccirillo, V. and Felix, J. L. P.. Comments on energy harvesting on a 2: 1 internal resonance portal frame support structure using a nonlinear energy sink as a passive controller. International Review of Mechanical Engineering (IREME), 10(3), 147-156, 2016.

 

 

Conference Papers

 

  1. Rocha, R. T., Balthazar, J. M., Tusset, A. M., Janzen, F. C. Energy Harvesting by applying a Hysteretic Damped NES Device into a Portal Frame Platform of two-degrees-of-freedom. In: 24th ABCM International Congress of Mechanical Engineering (COBEM 2017), Curitiba – SP, Brazil, 2017.
  2. Rocha, R. T., Balthazar, J. M., Tusset, A. M., Piccirillo, V., Janzen, F. C. and Felix, J. L. P.. On Mode Coupling Analysis and Stability Regions to Energy Harvesting in a Two-Degrees-of-Freedom Portal Frame Platform. In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference (pp. V006T10A053-V006T10A053). American Society of Mechanical Engineers, 2017.
  3. Rocha, R. T., Balthazar, J. M., Quinn, D. D., Tusset, A. M. and Felix, J. L. P.. Non-Ideal System With Quadratic Nonlinearities Containing a Two-to-One Internal Resonance. In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference (pp. V008T10A015-V008T10A015). American Society of Mechanical Engineers, 2016.
  4. Rocha, R. T., Balthazar. J. M., Tusset, A. M., Piccirillo, V., Brasil, R. M. L. R. F., Felix, J. L. P.. Using saturation phenomenon to improve energy harvesitng in a portal frame In: Dynamical Systems Theory and Applications (DSTA`2015), Lódz, Poland, December 7-10. Proceedings of DSTA 2015. Lódz: Technical University of Lodz, 2015. v.1. p.1 – 10, 2015.

 

Education

  • Barchelor in Physics, São Paulo State University (UNESP), Brazil, 2012
  • Msc in Mechanical Engineering, São Paulo State University (UNESP), Brazil, 2014
  • PhD in Mechanical Engineering, São Paulo State University (UNESP), Brazil, 2016