IEEJ Transactions on Electronics, Information and Systems
Online ISSN : 1348-8155
Print ISSN : 0385-4221
ISSN-L : 0385-4221
<Optoelectronics & Quantum Electronics>
Time Domain Measurement of Moving Object Speed Using Acceleration Sensor
Kazunori KoyamaMitsuo NoroAkimasa HirataOsamu Fujiwara
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2006 Volume 126 Issue 12 Pages 1533-1534

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Abstract
In this study, we proposed a time-domain measurement method of moving object speed with a commercially available acceleration sensor. The sensor of this kind is normally used to measure the acceleration of a stationary vibration object, while it is not applicable to the measurement of a transient moving object due to the frequency response of the sensor itself. An impulsive sensor response was derived from the free-drop movement of a metallic sphere. The deconvolution allows the sensor to measure the acceleration in the time domain, which was validated through the measurement of the speed of a hand-held metal piece approaching a target.
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© 2006 by the Institute of Electrical Engineers of Japan
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