Development of a low cost two axis force sensor

This paper presents a low cost smart two axis force sensor with Analog-to-Digital (RS232 and SPI) interfaces, especially suitable for measuring low and moderate forces. A mechanical structure is made by rapid prototyping machine. Pair of resistive sensor is used for each axis. A computer contro...

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Main Authors: Rahman, Md. Mozasser, Khairul Hassan, SK, Choudhury, Tasnuva Tabashhum
Format: Article
Language:English
Published: International Foundation for Modern Education and Scientific Research, IFOMESR 2013
Subjects:
Online Access:http://irep.iium.edu.my/29707/1/W13-E-0003_%282013%29.pdf
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author Rahman, Md. Mozasser
Khairul Hassan, SK
Choudhury, Tasnuva Tabashhum
author_facet Rahman, Md. Mozasser
Khairul Hassan, SK
Choudhury, Tasnuva Tabashhum
author_sort Rahman, Md. Mozasser
collection IIUM
description This paper presents a low cost smart two axis force sensor with Analog-to-Digital (RS232 and SPI) interfaces, especially suitable for measuring low and moderate forces. A mechanical structure is made by rapid prototyping machine. Pair of resistive sensor is used for each axis. A computer controlled 12-bit A/D converter is employed to obtain a higher resolution. The nonlinear output of the sensor converts to linear output by piecewise linearization technique. A digital 60 Hz notch filter is implemented in the micro computer for rejecting the Ac supply noise. Third order digital FIR filter is used for removing noise from final output. Filtered data is converted into pulse width modulation where duty cycle is proportional to applied force. The filtered data is converted into Digital RS232 and SPI format for interfacing the digital world. Finally the performances of the sensor have been justified.
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spelling oai:generic.eprints.org:297072013-04-23T04:13:16Z http://irep.iium.edu.my/29707/ Development of a low cost two axis force sensor Rahman, Md. Mozasser Khairul Hassan, SK Choudhury, Tasnuva Tabashhum TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices This paper presents a low cost smart two axis force sensor with Analog-to-Digital (RS232 and SPI) interfaces, especially suitable for measuring low and moderate forces. A mechanical structure is made by rapid prototyping machine. Pair of resistive sensor is used for each axis. A computer controlled 12-bit A/D converter is employed to obtain a higher resolution. The nonlinear output of the sensor converts to linear output by piecewise linearization technique. A digital 60 Hz notch filter is implemented in the micro computer for rejecting the Ac supply noise. Third order digital FIR filter is used for removing noise from final output. Filtered data is converted into pulse width modulation where duty cycle is proportional to applied force. The filtered data is converted into Digital RS232 and SPI format for interfacing the digital world. Finally the performances of the sensor have been justified. International Foundation for Modern Education and Scientific Research, IFOMESR 2013-04 Article PeerReviewed application/pdf en http://irep.iium.edu.my/29707/1/W13-E-0003_%282013%29.pdf Rahman, Md. Mozasser and Khairul Hassan, SK and Choudhury, Tasnuva Tabashhum (2013) Development of a low cost two axis force sensor. The Online Journal on Electronics and Electrical Engineering (OJEEE), 5 (2). pp. 535-538. ISSN 2090-0279 http://www.infomesr.org/attachments/W13-E-0003.pdf
spellingShingle TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices
Rahman, Md. Mozasser
Khairul Hassan, SK
Choudhury, Tasnuva Tabashhum
Development of a low cost two axis force sensor
title Development of a low cost two axis force sensor
title_full Development of a low cost two axis force sensor
title_fullStr Development of a low cost two axis force sensor
title_full_unstemmed Development of a low cost two axis force sensor
title_short Development of a low cost two axis force sensor
title_sort development of a low cost two axis force sensor
topic TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices
url http://irep.iium.edu.my/29707/1/W13-E-0003_%282013%29.pdf
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