Modal analysis of an electromechanical system: a hybrid behavior

Autores

  • Roberta Lima
  • Rubens Sampaio

DOI:

https://doi.org/10.5540/03.2022.009.01.0273

Palavras-chave:

Electromechanical systems, natural frequencies, normal modes, resonance

Resumo

Electromechanical systems are composed by two interacting subsystems, a mechanical and an electromagnetic. This paper discusses the oscillatory response of a linear electromechanical system. The objective of the paper is to show that the oscillatory response of the chosen electromechanical system is provoked by the mutual interaction between mechanical and an electromagnetic subsystems, and to compare this oscillatory response with the response of purely mechanical systems. Natural frequencies and normal modes, are computed for the electromechanical system. The computed parameters involve mechanical and electromagnetic variables, i.e., they are hybrid, a novelty in the literature. Hybrid model coordinates and frequency responses graphs are also discussed.

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Biografia do Autor

Roberta Lima

Mechanical Engineering Department, PUC-Rio, Rio de Janeiro, RJ

Rubens Sampaio

Mechanical Engineering Department, PUC-Rio, Rio de Janeiro, RJ

Referências

M.J.H. Dantas, R. Sampaio, and R. Lima. Asymptotically stable periodic orbits of a coupled

electromechanical system. In: Nonlinear Dynamics 78 (2014), pp. 2935. doi: 10.1007/

s11071-014-1419-9.

M.J.H. Dantas, R. Sampaio, and R. Lima. Sommerfeld eect in a constrained electromechanical system. In: Computational and Applied Mathematics 37 (2018), pp. 18941912.

doi: https://doi.org/10.1007/s40314-017-0428-y.

D. Inman. Engineering Vibration. 4th. United States of America: Pearson, 2014. isbn:

-0-13-287169-3.

R. Lima and R. Sampaio. Pitfalls in the dynamics of coupled electromechanical systems. In:

Proceeding Series of the Brazilian Society of Computational and Applied Mathematics. Vol. 6. 2. Campinas, Brazil, 2018, pp. 01031017. doi: 10.5540/03.2018.006.02.

R. Lima and R. Sampaio. Two parametric excited nonlinear systems due to electromechanical

coupling. In: Journal of the Brazilian Society of Mechanical Sciences and Engineering 38 (2016), pp. 931943. doi: DOI:10.1007/s40430-015-0395-4.

R. Lima, R. Sampaio, and P. Hagedorn. One alone makes no coupling. In: Mecánica Computacional XXXVI.20 (2018), pp. 931944.

R. Lima et al. Comments on the paper `On nonlinear dynamics behavior of an electromechanical pendulum excited by a nonideal motor and a chaos control taking into account

parametric errors' published in this Journal. In: Journal of the Brazilian Society of

Mechanical Sciences and Engineering 41 (2019), p. 552. doi: https://doi.org/10.

/s40430-019-2032-0.

W. Manhães et al. Lagrangians for Electromechanical Systems. In: Mecánica Computacional XXXVI.42 (2018), pp. 19111934.

L. Meirovitch. Principles and Techniques of Vibrations. United States of America:

Prentice-Hall International, 1997. isbn: 0-13-270430-7.

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Publicado

2022-12-08

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