Forcecardiography: A Novel Technique to Measure Heart Mechanical Vibrations onto the Chest Wall. [PDF]
Sensors (Basel), 2020 This paper presents forcecardiography (FCG), a novel technique to measure local, cardiac-induced vibrations onto the chest wall. Since the 19th century, several techniques have been proposed to detect the mechanical vibrations caused by cardiovascular ...
Andreozzi E +6 more
europepmc +2 more sources
Passive Attenuation of Mechanical Vibrations with a Superelastic SMA Bending Springs: An Experimental Investigation [PDF]
Sensors, 2022 This work presents an experimental study related to the mechanical performance of a special design spring fabricated with a superelastic shape memory alloy (SMA-SE).
Richard Senko +7 more
doaj +2 more sources
Spectral Analysis of ATP-Dependent Mechanical Vibrations in T Cells [PDF]
Frontiers in Cell and Developmental Biology, 2021 Mechanical vibrations affect multiple cell properties, including its diffusivity, entropy, internal content organization, and thus—function. Here, we used Differential Interference Contrast (DIC), confocal, and Total Internal Reflection Fluorescence ...
Ishay Wohl, Eilon Sherman
doaj +2 more sources
The use of normal forms for analysing nonlinear mechanical vibrations. [PDF]
Philos Trans A Math Phys Eng Sci, 2015 A historical introduction is given of the theory of normal forms for simplifying nonlinear dynamical systems close to resonances or bifurcation points. The specific focus is on mechanical vibration problems, described by finite degree-of-freedom second ...
Neild SA +4 more
europepmc +2 more sources
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2007 J. Aidanpää
semanticscholar +4 more sources
Entangling mechanical vibrations of two massive ferrimagnets by fully exploiting the nonlinearity of magnetostriction [PDF]
Quantum Science and Technology, 2022 Quantum entanglement in the motion of macroscopic objects is of significance to both fundamental studies and quantum technologies. Here we show how to entangle the mechanical vibration modes of two massive ferrimagnets that are placed in the same ...
H. Qian, Z. Fan, Jing Li
semanticscholar +1 more source
Stability and bifurcation analyses for exterior resonant families in Earth-Moon system
Results in Physics, 2021 In this work, stability and bifurcation analyses for exterior resonant orbit families have been investigated for a test spacecraft around Earth-Moon system. The initial states are obtained for certain resonance ratio orbits in the two-body problem.
Xu Li +3 more
doaj +1 more source
Mechanical Vibrations Analysis in Direct Drive Using CWT with Complex Morlet Wavelet
Power Electronics and Drives, 2023 Modern industrial process and household equipment more often use direct drives. According to European policy, Industry 4.0 and new Industry 5.0 need to undertake the effort required to ensure a sustainable, human-centric, and resilient European industry.
D. Łuczak
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A comparison of linear and non-linear strategies for energy harvesting from mechanical vibrations
Frontiers of Physics, 2023 Energy Harvesting strategies coupled with the improvement of electronics and the progressive reduction of power requirements have been widely recognized as fundamental to enable self-powered (or autonomous) devices. Among all the potential energy sources,
B. Andò +3 more
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