ActuatorsThis study presents the design, optimization, and experimental validation of a large-air-gap voice coil motor (LAG-VCM) for high-precision magnetic levitation vibration isolation in vacuum environments.
Junren Mu, He Zhang
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A Study on Vibration Reduction Mechanism of Precision Stage for Laser Direct Imaging [PDF]
한국정밀공학회지, 2017 Recently, Laser Direct Imaging (LDI) has been used to replace lithography in Flexible Printed Circuit Board (FPCB) manufacturing. However, repeated motion of a linear motor caused residual vibration in the granite on which the workpiece was placed when ...
Chang Hoon Seo +3 more
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Preliminary design and optimization of toroidally-wound limited angle servo motor based on a generalized magnetic circuit model [PDF]
, 2016 This paper proposes a new generalized equivalent magnetic circuit model for the preliminary design of a toroidally-wound limited angle servo motor (LASM).
Jiao, Zongxia +4 more
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Progress on accurate measurement of the Planck constant: watt balance and counting atoms
, 2014 The Planck constant $h$ is one of the most significant constants in quantum physics. Recently, the precision measurement of the numeral value of $h$ has been a hot issue due to its important role in establishment for both a new SI and a revised ...
Huang, Songling +4 more
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Biasing the perception of ambiguous vocal affect: a TMS study on frontal asymmetry [PDF]
, 2013 Several sources of evidence point toward a link between asymmetry of prefrontal brain activity and approach–withdrawal tendencies. Here, we tested the causal nature of this link and examined if the categorization of an ambiguous approach- or withdrawal ...
Bar +31 more
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Haptic Cushion: Automatic Generation of Vibro- tactile Feedback Based on Audio Signal for Immersive Interaction with Multimedia [PDF]
, 2014 This paper presents a haptic display providing audio-based vibrotactile feedback to enhance the immersive feeling of the user who interacts with multimedia content.
Cho, Y, Joung, M, Kim, S, Lee, J
core
Rapid and Precise Zoom Lens Design Based on Voice Coil Motors with Tunnel Magnetoresistance Sensors
Applied SciencesIn response to the zooming delay issue during the transition from a wide-area search to high-resolution target identification in high-magnification zoom lenses, we propose a drive technology based on voice coil motors.
Junqiang Gong, Jianbin Luo
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Vibration Assisted EDM of Small-hole Using Voice Coil Motor
Procedia CIRP, 2012 Abstract A vibration platform for small-hole EDM based on voice coil motor was developed. The vibration platform is capable of avoiding the easy loss of vibration energy and the heat effect in ultrasonic vibration. The dynamic performance of the vibration platform was tested.
Jiang, Yi +4 more
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Motor Nonlinearities in Electrodynamic Loudspeakers: Modelling and Measurement
Archives of Acoustics, 2014 This paper studies the motor nonlinearities of a classical electrodynamic loudspeaker. Measurements show the dependence of the voice-coil inductance with its position and with the driving current as well as the force factor dependence on ...
Benoit MERIT +3 more
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IET Power ElectronicsThe linear power amplifier (LPA) suffers from low power supply utilization in the DC power supply mode, leading to reduced output efficiency. This paper constructs an efficient power supply mode based on closed‐loop dynamic power supply system (CLDPSs ...
Feixiang Yang +5 more
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