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A method for driving an oscillator at a quasi-uniform velocity

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A method for driving an oscillator at a quasi-uniform velocity. / Zmeev, Dmitriy.
In: Journal of Low Temperature Physics, Vol. 175, No. 1-2, 04.2014, p. 480-485.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Zmeev, D 2014, 'A method for driving an oscillator at a quasi-uniform velocity', Journal of Low Temperature Physics, vol. 175, no. 1-2, pp. 480-485. https://doi.org/10.1007/s10909-013-0942-2

APA

Zmeev, D. (2014). A method for driving an oscillator at a quasi-uniform velocity. Journal of Low Temperature Physics, 175(1-2), 480-485. https://doi.org/10.1007/s10909-013-0942-2

Vancouver

Zmeev D. A method for driving an oscillator at a quasi-uniform velocity. Journal of Low Temperature Physics. 2014 Apr;175(1-2):480-485. doi: 10.1007/s10909-013-0942-2

Author

Zmeev, Dmitriy. / A method for driving an oscillator at a quasi-uniform velocity. In: Journal of Low Temperature Physics. 2014 ; Vol. 175, No. 1-2. pp. 480-485.

Bibtex

@article{70584e25d2b94b55b18299ca15c41443,
title = "A method for driving an oscillator at a quasi-uniform velocity",
abstract = "We describe a simple way to drive an actuator, comprising a superconducting coil moving in a static magnetic field, at a quasi-uniform velocity. The main objective is to avoid oscillations in this system with low damping, as they undermine the uniformity of the velocity. The method consists in calculating the force that should be exerted on the coil from the equation of motion and programming a waveform generator to produce the corresponding current through the coil. The method was tested on a device towing a grid through a closely fitted channel filled with superfluid 4He at temperatures below 100 mK. The motion of the grid over the distance of 4.3 cm at 10 cm/s resulted in oscillations of less than 50 micron in amplitude (or less than 1 mm/s in terms of velocity). The method can be applied to any oscillator. ",
keywords = "quantum turbulence, actuators",
author = "Dmitriy Zmeev",
year = "2014",
month = apr,
doi = "10.1007/s10909-013-0942-2",
language = "English",
volume = "175",
pages = "480--485",
journal = "Journal of Low Temperature Physics",
issn = "0022-2291",
publisher = "SPRINGER/PLENUM PUBLISHERS",
number = "1-2",

}

RIS

TY - JOUR

T1 - A method for driving an oscillator at a quasi-uniform velocity

AU - Zmeev, Dmitriy

PY - 2014/4

Y1 - 2014/4

N2 - We describe a simple way to drive an actuator, comprising a superconducting coil moving in a static magnetic field, at a quasi-uniform velocity. The main objective is to avoid oscillations in this system with low damping, as they undermine the uniformity of the velocity. The method consists in calculating the force that should be exerted on the coil from the equation of motion and programming a waveform generator to produce the corresponding current through the coil. The method was tested on a device towing a grid through a closely fitted channel filled with superfluid 4He at temperatures below 100 mK. The motion of the grid over the distance of 4.3 cm at 10 cm/s resulted in oscillations of less than 50 micron in amplitude (or less than 1 mm/s in terms of velocity). The method can be applied to any oscillator.

AB - We describe a simple way to drive an actuator, comprising a superconducting coil moving in a static magnetic field, at a quasi-uniform velocity. The main objective is to avoid oscillations in this system with low damping, as they undermine the uniformity of the velocity. The method consists in calculating the force that should be exerted on the coil from the equation of motion and programming a waveform generator to produce the corresponding current through the coil. The method was tested on a device towing a grid through a closely fitted channel filled with superfluid 4He at temperatures below 100 mK. The motion of the grid over the distance of 4.3 cm at 10 cm/s resulted in oscillations of less than 50 micron in amplitude (or less than 1 mm/s in terms of velocity). The method can be applied to any oscillator.

KW - quantum turbulence

KW - actuators

U2 - 10.1007/s10909-013-0942-2

DO - 10.1007/s10909-013-0942-2

M3 - Journal article

VL - 175

SP - 480

EP - 485

JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

SN - 0022-2291

IS - 1-2

ER -