Characteristic evolution of indigenously designed and developed tri-axial force balanced accelerometer

Sharma, B.K. and Kumar, Satish and Mittal, S.K. and Shamshi, M.A. (2006) Characteristic evolution of indigenously designed and developed tri-axial force balanced accelerometer. Journal of Scientific and Industrial Research, 65 (7). pp. 574-577. ISSN 0975-1084 (Online); 0022-4456 (Print)

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Official URL: http://nopr.niscair.res.in/handle/123456789/4771

Abstract

This paper describes indigenously designed and developed tri-axial Force Balanced Accelerometer (FBA) using variable capacitance transduction and electromagnetic feedback. Accelerometer is a highly sensitive, low frequency seismic sensor characterized by rugged construction and proven reliability. It has been designed and developed for ±1g full-scale range with 50 Hz natural frequency mainly for seismic, structural, aerospace and some commercial applications. In a single unit, three accelerometers are orthogonally mounted on a plate and housed in a case for recording all the three components of motion. Characteristics evolution of a natural frequency, damping and noise level, have been done, tested and explained. During designing, most of the technical specifications have been considered for low frequency band from DC to 200Hz applications. Accelerometer is suitable for strong motion recording purpose.

Item Type: Article
Uncontrolled Keywords: Force balanced accelerometer; Frequency; Transduction methods
Subjects: CSIO > Chemistry
Depositing User: Ms. J Shrivastav
Date Deposited: 03 Apr 2012 10:28
Last Modified: 03 Apr 2012 10:28
URI: http://csioir.csio.res.in/id/eprint/66

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