Bistable structures for advanced functional systems

Y Cao, M Derakhshani, Y Fang… - Advanced Functional …, 2021 - Wiley Online Library
Bistable mechanical systems having two local minima of potential energy can rest in either
of the two stable equilibrium states in the absence of external loadings. A snap‐through …

Data-driven modeling and prediction of non-linearizable dynamics via spectral submanifolds

M Cenedese, J Axås, B Bäuerlein, K Avila… - Nature …, 2022 - nature.com
We develop a methodology to construct low-dimensional predictive models from data sets
representing essentially nonlinear (or non-linearizable) dynamical systems with a hyperbolic …

[HTML][HTML] Tapered nonlinear vibration energy harvester for powering Internet of Things

K Paul, A Amann, S Roy - Applied Energy, 2021 - Elsevier
The lack of a sustainable power source to substitute batteries for long-term applications
limits the widespread deployment of wireless sensor nodes in this era of the Internet of …

Wide bandwidth vibration energy harvester with embedded transverse movable mass

N Jackson, LA Rodriguez, R Adhikari - Sensors, 2021 - mdpi.com
One of the biggest challenges associated with vibration energy harvesters is their limited
bandwidth, which reduces their effectiveness when utilized for Internet of Things …

Impact-Loss-Compensated Wideband Vibrational Energy Harvesting Using a Hybrid /SU-8 Nanocomposite as the Active Layer

NT Beigh, S Naval, D Mallick - PRX Energy, 2022 - APS
Mechanical impact-induced nonlinearity proves to be effective in the tunable broadening of
the frequency response in vibrational energy harvesters at various size scales. However, the …

Magnetic performances and switching behavior of Co-rich CoPtP micro-magnets for applications in magnetic MEMS

D Mallick, K Paul, T Maity, S Roy - Journal of applied Physics, 2019 - pubs.aip.org
In this paper, the magnetic properties of Co-rich CoPtP films electrodeposited using an
optimized Pulse Reverse (PR) technique are investigated for magnetic MEMS applications …

On the limit cycles, period-doubling, and quasi-periodic solutions of the forced Van der Pol-Duffing oscillator

J Cui, W Zhang, Z Liu, J Sun - Numerical Algorithms, 2018 - Springer
In this paper, the limit cycles, period-doubling, and quasi-periodic solutions of the forced Van
der Pol oscillator and the forced Van der Pol-Duffing oscillator are studied by combining the …

Fully integrated microsolenoid with closed magnetic circuit for high power density MEMS electromagnetic vibration energy harvesters

K Wang, X Dai, C Ren, G Ding - IEEE Magnetics Letters, 2021 - ieeexplore.ieee.org
This letter presents a highly efficient microsolenoid integrated with a closed magnetic circuit
to enhance the power density of microelectromechanical systems (MEMS) electromagnetic …

[HTML][HTML] Limits on the power available to harvest from broadband random excitation

DH Hawes, RS Langley - Journal of Sound and Vibration, 2017 - Elsevier
With the large diversity in energy harvesters aiming to extract maximum power from
broadband excitations, it is important to know what the maximum power achievable is. This …

A MEMS-based bi-stable electromagnetic energy harvester with an integrated magnetization-reversible circuit

K Wang, X Dai, X Xiang, G Ding… - 2019 20th International …, 2019 - ieeexplore.ieee.org
This paper presents the first MEMS-based bi-stable electromagnetic energy harvester with
polarity-reversible integrated closed magnetic circuit. The mechanism of polarity reversal in …