Design and Analysis of Current Mode Amplifier as Drive Electronics for Linear Voice Coil Motor

Voice Coil Motor is a precise positioning and motion control device, the drive electronics must be of utmost accuracy such that it accounts for the exact requirements of the motor load. This work mainly focuses on the design and analysis of a current mode based operational amplifier, which is expect...

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Published in:Indian journal of science and technology 2015-06, Vol.8 (12), p.1-1
Main Authors: Sriram, N., Swaminathan, P., Manivannan, D.
Format: Article
Language:English
Subjects:
Amplifiers
Coiling
Design engineering
Electronics
Hardware
Motors
Pumps
Voice
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Manivannan, D.
description Voice Coil Motor is a precise positioning and motion control device, the drive electronics must be of utmost accuracy such that it accounts for the exact requirements of the motor load. This work mainly focuses on the design and analysis of a current mode based operational amplifier, which is expected to generate the precise magnitudes of current. An improved Howland current pump, current drive based amplifier is theoretically analyzed and the analog simulation is performed. A novel hardware scheme is proposed which is suitable for VCM testing and the methodology to develop the hardware is also emphasized.
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source Freely Accessible Science Journals - check A-Z of ejournals
subjects Amplifiers
Coiling
Design engineering
Electronics
Hardware
Motors
Pumps
Voice
title Design and Analysis of Current Mode Amplifier as Drive Electronics for Linear Voice Coil Motor
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