Capacitance-to-voltage converter design to measure small change in capacitance produced by human body movement

The primary application of this work is to design and develop a reliable capacitance sensing system for measuring very small capacitive changes at low frequencies for human interface application. The sensing system is applicable in monitoring and characterizing human body movement. The interface cir...

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Main Authors:	Arshad, Atika, Tasnim, Rumana, Alam, A.H.M Zahirul, Khan, Sheroz
Format:	Conference or Workshop Item
Language:	English English
Published:	Institute of Electrical and Electronics Engineers Inc. 2016
Subjects:	QP Physiology TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://irep.iium.edu.my/58731/ http://irep.iium.edu.my/58731/ http://irep.iium.edu.my/58731/ http://irep.iium.edu.my/58731/1/58731_Capacitance-to-voltage%20converter%20design_complete.pdf http://irep.iium.edu.my/58731/2/58731_Capacitance-to-voltage%20converter%20design_scopus.pdf

id	iium-58731
recordtype	eprints
spelling	iium-587312017-10-11T02:50:20Z http://irep.iium.edu.my/58731/ Capacitance-to-voltage converter design to measure small change in capacitance produced by human body movement Arshad, Atika Tasnim, Rumana Alam, A.H.M Zahirul Khan, Sheroz QP Physiology TK Electrical engineering. Electronics Nuclear engineering The primary application of this work is to design and develop a reliable capacitance sensing system for measuring very small capacitive changes at low frequencies for human interface application. The sensing system is applicable in monitoring and characterizing human body movement. The interface circuit measures very small capacitive variation. A number of capacitive values have been set in the proposed system and the produced capacitance variations have been measured for verifying the possibility to characterize the presence/absence of human bodies. A variation in capacitance results in variation on the output voltage. Based on change in the voltage conclusion can be made regarding the presence/absence state of the human body. The sensing method is based on the fundamental principle of capacitance changes that is produced by the interaction of a human body with capacitive sensors. Different human body will exhibit different capacitance due to their height, weight and so on; giving each person distinctive identification. Primary simulation results show that the measurement of little capacitance variation using an interface circuit is precise and linear. The simulation results conclude that a very small capacitive variation can be detected using the developed capacitive sensing method. When a human body enters in the vicinity area right above the sensor, a variation in capacitance as well as output voltage can be observed. Institute of Electrical and Electronics Engineers Inc. 2016-03 Conference or Workshop Item PeerReviewed application/pdf en http://irep.iium.edu.my/58731/1/58731_Capacitance-to-voltage%20converter%20design_complete.pdf application/pdf en http://irep.iium.edu.my/58731/2/58731_Capacitance-to-voltage%20converter%20design_scopus.pdf Arshad, Atika and Tasnim, Rumana and Alam, A.H.M Zahirul and Khan, Sheroz (2016) Capacitance-to-voltage converter design to measure small change in capacitance produced by human body movement. In: IEEE International WIE Conference on Electrical and Computer Engineering, WIECON-ECE 2015, 19-20 Dec. 2015, Bangladesh University of Engineering and Technology (BUET)Dhaka. http://ieeexplore.ieee.org/document/7444012/ 10.1109/WIECON-ECE.2015.7444012
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English English
topic	QP Physiology TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	QP Physiology TK Electrical engineering. Electronics Nuclear engineering Arshad, Atika Tasnim, Rumana Alam, A.H.M Zahirul Khan, Sheroz Capacitance-to-voltage converter design to measure small change in capacitance produced by human body movement
description	The primary application of this work is to design and develop a reliable capacitance sensing system for measuring very small capacitive changes at low frequencies for human interface application. The sensing system is applicable in monitoring and characterizing human body movement. The interface circuit measures very small capacitive variation. A number of capacitive values have been set in the proposed system and the produced capacitance variations have been measured for verifying the possibility to characterize the presence/absence of human bodies. A variation in capacitance results in variation on the output voltage. Based on change in the voltage conclusion can be made regarding the presence/absence state of the human body. The sensing method is based on the fundamental principle of capacitance changes that is produced by the interaction of a human body with capacitive sensors. Different human body will exhibit different capacitance due to their height, weight and so on; giving each person distinctive identification. Primary simulation results show that the measurement of little capacitance variation using an interface circuit is precise and linear. The simulation results conclude that a very small capacitive variation can be detected using the developed capacitive sensing method. When a human body enters in the vicinity area right above the sensor, a variation in capacitance as well as output voltage can be observed.
format	Conference or Workshop Item
author	Arshad, Atika Tasnim, Rumana Alam, A.H.M Zahirul Khan, Sheroz
author_facet	Arshad, Atika Tasnim, Rumana Alam, A.H.M Zahirul Khan, Sheroz
author_sort	Arshad, Atika
title	Capacitance-to-voltage converter design to measure small change in capacitance produced by human body movement
title_short	Capacitance-to-voltage converter design to measure small change in capacitance produced by human body movement
title_full	Capacitance-to-voltage converter design to measure small change in capacitance produced by human body movement
title_fullStr	Capacitance-to-voltage converter design to measure small change in capacitance produced by human body movement
title_full_unstemmed	Capacitance-to-voltage converter design to measure small change in capacitance produced by human body movement
title_sort	capacitance-to-voltage converter design to measure small change in capacitance produced by human body movement
publisher	Institute of Electrical and Electronics Engineers Inc.
publishDate	2016
url	http://irep.iium.edu.my/58731/ http://irep.iium.edu.my/58731/ http://irep.iium.edu.my/58731/ http://irep.iium.edu.my/58731/1/58731_Capacitance-to-voltage%20converter%20design_complete.pdf http://irep.iium.edu.my/58731/2/58731_Capacitance-to-voltage%20converter%20design_scopus.pdf
first_indexed	2023-09-18T21:23:05Z
last_indexed	2023-09-18T21:23:05Z
_version_	1777412011774181376

Capacitance-to-voltage converter design to measure small change in capacitance produced by human body movement

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