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Design Consideration and Implementation of Analog Adaptive Filters for Sensor Response Correction

Jafaripanah, Mehdi, Al-Hashimi, Bashir and White, Neil M. (2004) Design Consideration and Implementation of Analog Adaptive Filters for Sensor Response Correction At 12th Iranian Conference on Electrical Engineering (ICEE2004), Iran, Islamic Republic of. 11 - 13 May 2004. , pp. 109-114.

Record type: Conference or Workshop Item (Other)

Abstract

This paper has shown that it is possible to perform effective response compensation of sensors using analog adaptive filter techniques. The case is illustrated by showing how the response of a load cell can be improved to speed up the process of measurement. The load cell is a sensor with an oscillatory output in which the measurand contributes to the response parameters. Thus, a compensation filter needs to track variation in measurand whereas a simple, fixed filter is only valid at one specific load value. It has been shown that the state-variable biquadratic filter provides an accurate and flexible sensor and adaptive compensation filter models. To allow a practical implementation of the adaptive techniques, a novel piecewise linearization technique is proposed in order to vary a floating voltage-controlled resistor in a linear manner over a wide range. Simulation and experimental results are presented, thus showing the viability of the proposed techniques.

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More information

Published date: 2004
Additional Information: Event Dates: 11-13 May 2004
Venue - Dates: 12th Iranian Conference on Electrical Engineering (ICEE2004), Iran, Islamic Republic of, 2004-05-11 - 2004-05-13
Keywords: Analog Adaptive Filter, Sensor, Load cell, Resdponse Correction
Organisations: Electronic & Software Systems, EEE

Identifiers

Local EPrints ID: 259339
URI: http://eprints.soton.ac.uk/id/eprint/259339
PURE UUID: 9bfe90a2-be76-41a5-99ea-8c814505a367
ORCID for Neil M. White: ORCID iD orcid.org/0000-0003-1532-6452

Catalogue record

Date deposited: 18 May 2004
Last modified: 18 Jul 2017 09:23

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Contributors

Author: Mehdi Jafaripanah
Author: Neil M. White ORCID iD

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