A wideband energy harvesting device using snap-through buckling for mechanical frequency-up conversion

Jung, Seok-Min; Yun, Kwang-Seok

doi:10.1109/memsys.2010.5442429

Cited by 16 publications

(14 citation statements)

References 14 publications

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“…The mechanism in Figure 7(b) was proposed in Jung and Yun (2010a) and further developed in Jung and Yun (2010b). The postbuckled beams have a single proof mass, supplied with cantilevers with piezoelectric patches.…”

Section: Conceptual Designsmentioning

confidence: 99%

Bistable vibration energy harvesters: A review

Pellegrini

Tolou

Schenk

et al. 2012

Journal of Intelligent Material Systems and Structures

373

207

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Powering electronics without depending on batteries is an open research field. Mechanical vibrations prove to be a reliable energy source, but low-frequency broadband vibrations cannot be harvested effectively using linear oscillators. This article discusses an alternative for harvesting such vibrations, with energy harvesters with two stable configurations. The challenges related to nonlinear dynamics are briefly discussed. Different existing designs of bistable energy harvesters are presented and classified, according to their feasibility for miniaturization. A general dynamic model for those designs is described. Finally, an extensive discussion on quantitative measures of evaluating the effectiveness of energy harvesters is accomplished, resulting in the proposition of a new dimensionless metric suited for a broadband analysis.

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Section: Conceptual Designsmentioning

confidence: 99%

Bistable vibration energy harvesters: A review

Pellegrini

Tolou

Schenk

et al. 2012

Journal of Intelligent Material Systems and Structures

373

207

View full text Add to dashboard Cite

show abstract

“…These examples can be illustrated by the generic diagram shown in Figure 14. Jung and Yun (2010a, 2010b) reported a larger clamped–clamped beam that houses multiple smaller subsidiary cantilever beams as illustrated by the generic diagram in Figure 14. This topology enables direct coupling of the primary and secondary resonators within the same structure rather than an external coupling mechanism that might dissipate additional energy.…”

Section: Other Principles and Considerationsmentioning

confidence: 99%

Review of nonlinear vibration energy harvesting: Duffing, bistability, parametric, stochastic and others

Jia

2020

Journal of Intelligent Material Systems and Structures

122

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Vibration energy harvesting typically involves a mechanical oscillatory mechanism to accumulate ambient kinetic energy, prior to the conversion to electrical energy through a transducer. The convention is to use a simple linear mass-spring-damper oscillator with its resonant frequency tuned towards that of the vibration source. In the past decade, there has been a rapid expansion in research of vibration energy harvesting into various nonlinear vibration principles such as Duffing nonlinearity, bistability, parametric oscillators, stochastic oscillators and other nonlinear mechanisms. The intended objectives for using nonlinearity include broadening of frequency bandwidth, enhancement of power amplitude and improvement in responsiveness to non-sinusoidal noisy excitations. However, nonlinear vibration energy harvesting also comes with its own challenges and some of the research pursuits have been less than fruitful. Previous reviews in the literature have either focussed on bandwidth enhancement strategies or converged on select few nonlinear mechanisms. This article reviews eight major types of nonlinear vibration energy harvesting reported over the past decade, covering underlying principles, advantages and disadvantages, and application-specific guidance for researchers and designers.

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“…The maximum peak-topeak generated voltage was reported to be 200 mV corresponding to 20.3 mV and 68.7 µW rms output. Seok-Min et al [21] realized frequency up-conversion by placing an array of cantilevers on a pre-buckled bridge. When the bridge changes its stable states under the influence of external vibration a transient oscillation is caused in the array of high frequency oscillators.…”

Section: Mechanical Frequency Up-conversionmentioning

confidence: 99%

Energy harvesting in a low frequency environment

Ashraf

Khir

Dennis

2011

2011 National Postgraduate Conference

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Vibration energy harvesting has got much research interest in recent years as non-exhaustive power source of wireless sensor nodes and wearable electronics. In case of wearable electronics and body sensor network the frequency of vibration produced by human passive motion is as low as 1-10Hz. At such a low vibration frequency harvestable power reduces dramatically, leading researchers to suggest mechanical frequency up-conversion techniques. This paper presents challenges in energy harvesting at low frequencies and overviews the frequency up-conversion techniques suggested in literature.

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A wideband energy harvesting device using snap-through buckling for mechanical frequency-up conversion

Cited by 16 publications

References 14 publications

Bistable vibration energy harvesters: A review

Bistable vibration energy harvesters: A review

Review of nonlinear vibration energy harvesting: Duffing, bistability, parametric, stochastic and others

Energy harvesting in a low frequency environment

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