NON-LINEAR VIBRATION OF POWER TRANSMISSION BELTS

1997 ◽  
Vol 200 (4) ◽  
pp. 419-431 ◽  
Author(s):  
J. Moon ◽  
J.A. Wickert
Keyword(s):  
Power Transmission ◽  
Linear Vibration ◽  
Non Linear ◽  
Power Transmission Belts

scholarly journals SWIPT in mMIMO system with non-linear energy-harvesting terminals: protocol design and performance optimization

2019 ◽  
Vol 2019 (1) ◽  
Author(s):  
Kui Xu ◽  
Ming Zhang ◽  
Jie Liu ◽  
Nan Sha ◽  
Wei Xie ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Performance Optimization ◽  
Power Transmission ◽  
Base Station ◽  
Second Phase ◽  
Wireless Power ◽  
Half Duplex ◽  
Non Linear ◽  
Two Phases ◽  
And Performance

Abstract In this paper, we design the simultaneous wireless information and power transfer (SWIPT) protocol for massive multi-input multi-output (mMIMO) system with non-linear energy-harvesting (EH) terminals. In this system, the base station (BS) serves a set of uplink fixed half-duplex (HD) terminals with non-linear energy harvester. Considering the non-linearity of practical energy-harvesting circuits, we adopt the realistic non-linear EH model rather than the idealistic linear EH model. The proposed SWIPT protocol can be divided into two phases. The first phase is designed for terminals EH and downlink training. A beam domain energy beamforming method is employed for the wireless power transmission. In the second phase, the BS forms the two-layer receive beamformers for the reception of signals transmitted by terminals. In order to improve the spectral efficiency (SE) of the system, the BS transmit power- and time-switching ratios are optimized. Simulation results show the superiority of the proposed beam-domain SWIPT protocol on SE performance compared with the conventional mMIMO SWIPT protocols.

Non-Linear Vibration Technique for Crack Detection in Beam Structures Using Frequency Mixing

2010 ◽  
Vol 96 (5) ◽  
pp. 977-980 ◽  
Author(s):  
E. Douka ◽  
K. A. Zacharias ◽  
L. J. Hadjileontiadis ◽  
A. Trochidis
Keyword(s):  
Crack Detection ◽  
Linear Vibration ◽  
Beam Structures ◽  
Vibration Technique ◽  
Non Linear ◽  
Frequency Mixing

NON-LINEAR VIBRATION ABSORBERS USING HIGHER ORDER INTERNAL RESONANCES

2000 ◽  
Vol 234 (5) ◽  
pp. 799-817 ◽  
Author(s):  
P.FRANK PAI ◽  
BERND ROMMEL ◽  
MARK J. SCHULZ
Keyword(s):  
Higher Order ◽  
Vibration Absorbers ◽  
Linear Vibration ◽  
Internal Resonances ◽  
Non Linear

scholarly journals Inducing bistability with local electret technology in a microcantilever based non-linear vibration energy harvester

2013 ◽  
Vol 102 (15) ◽  
pp. 153901 ◽  
Author(s):  
M. López-Suárez ◽  
J. Agustí ◽  
F. Torres ◽  
R. Rurali ◽  
G. Abadal
Keyword(s):  
Energy Harvester ◽  
Vibration Energy ◽  
Linear Vibration ◽  
Vibration Energy Harvester ◽  
Non Linear

Vortex-Induced Vibrations of a Rigid Cylinder on Non-Linear Elastic Supports

2006 ◽  
Author(s):  
S. Bourdier ◽  
J. R. Chaplin
Keyword(s):  
Circular Cylinder ◽  
Phase Flow ◽  
Linear Vibration ◽  
Chaotic Motions ◽  
Frequency Spectra ◽  
Elastic Supports ◽  
Linear Elastic ◽  
Vortex Induced Vibrations ◽  
Non Linear ◽  
Insight Into

The dynamics of vortex-induced vibrations of a rigid circular cylinder with structural non-linearities, introduced by means of discontinuities in the support system, are studied experimentally. The analysis of the measurements is carried out using non-linear vibration tools, i.e phase-flow portraits, frequency spectra, Lyapunov exponents and correlation dimensions, to provide an insight into the dynamical changes in the system brought about by restricting the motion. We show that chaotic motions can occur due to the structural non-linearities.

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