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contributor authorInoue, Tsuyoshi
contributor authorOkumura, Kohei
contributor authorTakagi, Kentaro
date accessioned2017-11-25T07:20:27Z
date available2017-11-25T07:20:27Z
date copyright2017/12/7
date issued2017
identifier issn1555-1415
identifier othercnd_012_05_051027.pdf
identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4236459
description abstractThe gyroscopic exercise tool called the “Power Ball,” used to train the antebrachial muscle, is focused on. The basin of attraction of the synchronous rolling motion in the state space of initial condition is investigated. The reduced model governing the synchronous rolling motion is used and its averaged equation is deduced. The first integral for the dynamical behavior of the synchronous rolling motion occurring in the power ball is obtained. The separatrix, which identifies the basin of attraction of the synchronous rolling motion, is derived, and the ranges of initial precession angle and the initial spin angular velocity for realizing the synchronous rolling motion are clarified. These theoretically obtained results are then experimentally confirmed. Furthermore, the influences of parameters to the basin of attraction are also clarified.
publisherThe American Society of Mechanical Engineers (ASME)
titleNonlinear Dynamical Analysis of the “Power Ball”
typeJournal Paper
journal volume12
journal issue5
journal titleJournal of Computational and Nonlinear Dynamics
identifier doi10.1115/1.4037075
journal fristpage51027
journal lastpage051027-8
treeJournal of Computational and Nonlinear Dynamics:;2017:;volume( 012 ):;issue: 005
contenttypeFulltext


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