Results 11 to 20 of about 3,808 (243)
Nutation Motor -- a new direct-drive stepping motor for robots - [PDF]
A new type of stepping motor, named nutation motor was developed. This motor has a reduction mechanism consisting of a pair of bevel gears, realizing high torque and high resolution stepping motion. Three prototypes, two pneumatic nutation motors and an electric nutation motor, were designed, developed, and tested.
Suzumori, Koichi +3 more
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Correction to: Geometric modeling and torque analysis of the magnetic nutation gear drive [PDF]
Correction to: Forsch Ingenieurwes 2017 https://doi.org/10.1007/s10010-017-0246-9 Due to an oversight the captions of Figs. 6 and 7 are incorrect. The correct captions are given …
Ding-jian Huang +3 more
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Stability of disk motion on the rheological ground
In this paper a new mathematical model of the disk motion on the basis of the Kelvin body is constructed. Taking the hypothesis of a point contact with the drive base, a system of differential equations of the disk motion is derived in the form of ...
I. N. Ignatov +3 more
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What does an observed quantum system reveal to its observer ? [PDF]
The evolution of a quantum system under observation becomes retarded or even impeded. We review this ``quantum Zeno effect'' in the light of the criticism that has been raised upon a previous attempt to demonstrate it, of later reexaminations of both the
Toschek, Peter E., Wunderlich, Christof
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Inertial waves in rapidly rotating flows: a dynamical systems perspective [PDF]
An overview of recent developments in a wide variety of enclosed rapidly rotating flows is presented. Highlighted is the interplay between inertial waves, which have been predicted from linear inviscid considerations, and the viscous boundary layer ...
López Moscat, Juan Manuel +1 more
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In the research of nutation magnetic drive, the torque density of gears is an important index to evaluate its performance. Thus, the analysis and optimization of the magnetic torque is particularly important.
Lou Meiyan, Yao Ligang, Guo Chenxian
doaj
Abstract The machining method of double-arc spiral internal bevel gear with nutation drive-by milling cutter was proposed in this paper. The mathematical modelling of milling cutter trajectory and axial cut-off of forming milling cutter was established, the special machining tool model of bevel gear was further developed by Solidcam, the
Daizhi Xie +3 more
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Nuclear magnetic resonance force microscopy with a microwire rf source
We use a 1.0-um-wide patterned Cu wire with an integrated nanomagnetic tip to measure the statistical nuclear polarization of 19F in CaF2 by magnetic resonance force microscopy (MRFM).
Degen, C. L. +4 more
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Design and Dynamics Simulation of a New Type of Swashplate Engine
To extend the application of the swashplate engine from special engines to the field of general power machinery, it is necessary to considerate speed stability, dynamic balance performance and manufacturing, etc.
Yuxiao Zhang +4 more
doaj
Active nutation controller [PDF]
An apparatus is described for controlling nutation motion in a spinning body, comprised of an angular accelerometer with its input axis perpendicular to the spin axis of the body, a flywheel with an axis of rotation perpendicular to the axis of the ...
Donohue, J. H., Hoffman, H. C.
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