1887

Theoretical and Applied Mechanics Letters

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Energy harvesting by two magnetopiezoelastic oscillators with mistuning
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10.1063/2.1204309
/content/cstam/journal/taml/2/4/10.1063/2.1204309
http://aip.metastore.ingenta.com/content/cstam/journal/taml/2/4/10.1063/2.1204309
View: Figures

Figures

Image of Fig. 1.
Fig. 1.

(a) Schematic diagram of the harvester system; (b) Potentials of restore forces and against displacements x and y for the corresponding mechanical oscillators (Eq. (1)).

Image of Fig. 2.
Fig. 2.

(a) Output power in terms of mean squared voltage versus excitation frequency ω; (b) Relative difference in the oscillator displacements x − y in terms standard deviation σ (x − y) versus excitation frequency ω. In the simulations the frequency was changed quasi-statically (the system parameters are given in Eq. (4)).

Image of Fig. 3.
Fig. 3.

The average values of x and y displacements: (a) 〈x〉, (b) 〈y〉 versus excitation frequency ω, obtained simultaneously with results in Fig. 2.

Image of Fig. 4.
Fig. 4.

Simultaneously estimated bifurcation diagrams for (a) x, and (b) y versus the excitation frequency ω, which was changed quasi-statically (the system parameters are shown in Fig. 2).

Image of Fig. 5.
Fig. 5.

Phase portraits (lines) with Poincare points (black points) projected into planes in (a) and in (c), and time series of x(t) in (b) and y(t) in (d) for .

Image of Fig. 6.
Fig. 6.

Phase portraits (lines) with Poincare points (black points) projected into planes in (a) and in (c), and time series of x(t) in (b) and y(t) in (d) for .

Image of Fig. 7.
Fig. 7.

Phase portraits (lines) with Poincare points (black points) projected into planes in (a) and in (c), and time series of x(t) in (b) and y(t) in (d) for .

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/content/cstam/journal/taml/2/4/10.1063/2.1204309
2012-07-10
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Energy harvesting by two magnetopiezoelastic oscillators with mistuning
http://aip.metastore.ingenta.com/content/cstam/journal/taml/2/4/10.1063/2.1204309
10.1063/2.1204309
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