Single supply differential capacitive sensor with energy harvester compatibility

This paper presents a single supply differential capacitive sensing technique suitable to be used with a hybrid energy harvester in providing power to the circuit. The proposed differential capacitive circuit is designed based on the available off-the-shelf components. Theoretical and experimental s...

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Main Authors:	Che Mustapha, Nurul Arfah, Alam, A. H. M. Zahirul, Khan, Sheroz, Azman, Amelia Wong
Format:	Conference or Workshop Item
Language:	English English
Published:	IEEE 2017
Subjects:	TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://irep.iium.edu.my/53424/ http://irep.iium.edu.my/53424/ http://irep.iium.edu.my/53424/ http://irep.iium.edu.my/53424/25/53424-Single%20Supply%20Differential%20Capacitive%20Sensor.pdf http://irep.iium.edu.my/53424/31/Single%20supply%20differential%20capacitive%20sensor%20with%20energy%20harvester%20compatibility.pdf

id	iium-53424
recordtype	eprints
spelling	iium-534242018-01-23T04:09:16Z http://irep.iium.edu.my/53424/ Single supply differential capacitive sensor with energy harvester compatibility Che Mustapha, Nurul Arfah Alam, A. H. M. Zahirul Khan, Sheroz Azman, Amelia Wong TK Electrical engineering. Electronics Nuclear engineering This paper presents a single supply differential capacitive sensing technique suitable to be used with a hybrid energy harvester in providing power to the circuit. The proposed differential capacitive circuit is designed based on the available off-the-shelf components. Theoretical and experimental study has been carried out to observe the performance of the circuit for various excitation frequencies. Tests that were carried out include using excitation frequencies ranging with a 0.1 pF capacitance change. Results from 40 kHz up to 400 kHz show a high level of linearity up to a 0.999 R-squared value. Range of capacitance detection can be increased by controlling the feedback capacitor, Cf, and the filter components, Rd and Cd. The sensitivity range is from 0.004 to 0.122 mV per every fF change,with ± 5 % error. The circuit consumes 3.83 mW, with a 3.3 V supply voltage. This circuit is also suitable for a wireless sensing node application. IEEE 2017-10-16 Conference or Workshop Item PeerReviewed application/pdf en http://irep.iium.edu.my/53424/25/53424-Single%20Supply%20Differential%20Capacitive%20Sensor.pdf application/pdf en http://irep.iium.edu.my/53424/31/Single%20supply%20differential%20capacitive%20sensor%20with%20energy%20harvester%20compatibility.pdf Che Mustapha, Nurul Arfah and Alam, A. H. M. Zahirul and Khan, Sheroz and Azman, Amelia Wong (2017) Single supply differential capacitive sensor with energy harvester compatibility. In: 2016 IEEE Industrial Electronics and Applications Conference (IEACon), 20-22 Nov 2016, Kota Kinabalu, Malaysia. http://ieeexplore.ieee.org/document/8067399/ 10.1109/IEACON.2016.8067399
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English English
topic	TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	TK Electrical engineering. Electronics Nuclear engineering Che Mustapha, Nurul Arfah Alam, A. H. M. Zahirul Khan, Sheroz Azman, Amelia Wong Single supply differential capacitive sensor with energy harvester compatibility
description	This paper presents a single supply differential capacitive sensing technique suitable to be used with a hybrid energy harvester in providing power to the circuit. The proposed differential capacitive circuit is designed based on the available off-the-shelf components. Theoretical and experimental study has been carried out to observe the performance of the circuit for various excitation frequencies. Tests that were carried out include using excitation frequencies ranging with a 0.1 pF capacitance change. Results from 40 kHz up to 400 kHz show a high level of linearity up to a 0.999 R-squared value. Range of capacitance detection can be increased by controlling the feedback capacitor, Cf, and the filter components, Rd and Cd. The sensitivity range is from 0.004 to 0.122 mV per every fF change,with ± 5 % error. The circuit consumes 3.83 mW, with a 3.3 V supply voltage. This circuit is also suitable for a wireless sensing node application.
format	Conference or Workshop Item
author	Che Mustapha, Nurul Arfah Alam, A. H. M. Zahirul Khan, Sheroz Azman, Amelia Wong
author_facet	Che Mustapha, Nurul Arfah Alam, A. H. M. Zahirul Khan, Sheroz Azman, Amelia Wong
author_sort	Che Mustapha, Nurul Arfah
title	Single supply differential capacitive sensor with energy harvester compatibility
title_short	Single supply differential capacitive sensor with energy harvester compatibility
title_full	Single supply differential capacitive sensor with energy harvester compatibility
title_fullStr	Single supply differential capacitive sensor with energy harvester compatibility
title_full_unstemmed	Single supply differential capacitive sensor with energy harvester compatibility
title_sort	single supply differential capacitive sensor with energy harvester compatibility
publisher	IEEE
publishDate	2017
url	http://irep.iium.edu.my/53424/ http://irep.iium.edu.my/53424/ http://irep.iium.edu.my/53424/ http://irep.iium.edu.my/53424/25/53424-Single%20Supply%20Differential%20Capacitive%20Sensor.pdf http://irep.iium.edu.my/53424/31/Single%20supply%20differential%20capacitive%20sensor%20with%20energy%20harvester%20compatibility.pdf
first_indexed	2023-09-18T21:15:35Z
last_indexed	2023-09-18T21:15:35Z
_version_	1777411539784957952

Single supply differential capacitive sensor with energy harvester compatibility

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