Modeling of Inverted Elastic Pendulum on Cart with Tip Mass (IEPCTM) system having multiple dynamic equilibria

2015 ◽  
Author(s):  
Sanket Kailas Gorade ◽  
Shailaja R. Kurode ◽  
Prasanna S. Gandhi
Keyword(s):  
Tip Mass ◽  
Dynamic Equilibria ◽  
Elastic Pendulum

Statistical frequencies as dynamic equilibria.

1941 ◽  
Vol 48 (4) ◽  
pp. 279-301 ◽  
Author(s):  
E. G. Boring
Keyword(s):  
Dynamic Equilibria

Chaos and order in librating quantum planar elastic pendulum

2021 ◽  
Vol 103 (3) ◽  
pp. 2841-2853
Author(s):  
Anurag ◽  
Basudeb Mondal ◽  
Tirth Shah ◽  
Sagar Chakraborty
Keyword(s):  
Elastic Pendulum

Centrifuge Modeling on Seismic Behavior of Pile in Liquefiable Soil Ground

2013 ◽  
Vol 479-480 ◽  
pp. 1139-1143
Author(s):  
Wen Yi Hung ◽  
Chung Jung Lee ◽  
Wen Ya Chung ◽  
Chen Hui Tsai ◽  
Ting Chen ◽  
...  
Keyword(s):  
Seismic Behavior ◽  
Soil Structure ◽  
Lateral Displacement ◽  
Bending Moment ◽  
Soil Liquefaction ◽  
Centrifuge Modeling ◽  
Shaking Table ◽  
Pile Head ◽  
Liquefiable Soil ◽  
Tip Mass

Dramatic failure of pile foundations caused by the soil liquefaction was founded leading to many studies for investigating the seismic behavior of pile. The failures were often accompanied with settlement, lateral displacement and tilting of superstructures. Therefore soil-structure interaction effects must be properly considered in the pile design. Two tests by using the centrifuge shaking table were conducted at an acceleration field of 80 g to investigate the seismic response of piles attached with different tip mass and embedded in liquefied or non-liquefied deposits during shaking. It was found that the maximum bending moment of pile occurs at the depth of 4 m and 5 m for dry sand and saturated sand models, respectively. The more tip mass leads to the more lateral displacement of pile head and the more residual bending moment.

scholarly journals Analysis of a Cantilevered Piezoelectric Energy Harvester in Different Orientations for Rotational Motion

Sensors ◽  
2020 ◽  
Vol 20 (4) ◽  
pp. 1206 ◽  
Author(s):  
Wei-Jiun Su ◽  
Jia-Han Lin ◽  
Wei-Chang Li
Keyword(s):  
Theoretical Model ◽  
Resonant Frequency ◽  
Rotational Motion ◽  
Axial Load ◽  
Energy Harvester ◽  
Excitation Frequency ◽  
Experimental Studies ◽  
Piezoelectric Energy ◽  
Piezoelectric Cantilever ◽  
Tip Mass

This paper investigates a piezoelectric energy harvester that consists of a piezoelectric cantilever and a tip mass for horizontal rotational motion. Rotational motion results in centrifugal force, which causes the axial load on the beam and alters the resonant frequency of the system. The piezoelectric energy harvester is installed on a rotational hub in three orientations—inward, outward, and tilted configurations—to examine their influence on the performance of the harvester. The theoretical model of the piezoelectric energy harvester is developed to explain the dynamics of the system and experiments are conducted to validate the model. Theoretical and experimental studies are presented with various tilt angles and distances between the harvester and the rotating center. The results show that the installation distance and the tilt angle can be used to adjust the resonant frequency of the system to match the excitation frequency.

scholarly journals Effect of tip mass on frequency response and sensitivity of AFM cantilever in liquid

Micron ◽  
2015 ◽  
Vol 70 ◽  
pp. 50-54 ◽  
Author(s):  
Amir Farokh Payam ◽  
Morteza Fathipour
Keyword(s):  
Frequency Response ◽  
Afm Cantilever ◽  
Tip Mass
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