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Analog VLSI circuit implementation of an adaptive neuromorphic olfaction chip
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Koickal, Thomas Jacob, Hamilton, Alister, Tan, Su-Lim, Covington, James A., Gardner, J. W. and Pearce, Tim C. (2007) Analog VLSI circuit implementation of an adaptive neuromorphic olfaction chip. In: IEEE International Symposium on Circuits and Systems (ISCAS), Kobe, Japan, 23-26 May 2005. Published in: IEEE Transactions on Circuits and Systems I: Regular Papers, Volume 54 (Number 1). pp. 60-73. doi:10.1109/TCSI.2006.888677 ISSN 1549-8328.
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Official URL: http://dx.doi.org/10.1109/TCSI.2006.888677
Abstract
In this paper, we present the analog circuit design and implementation of the components of an adaptive neuromorphic olfaction chip. A chemical sensor array employing carbon black composite sensing materials with integrated signal processing circuitry forms the front end of the chip. The sensor signal processing circuitry includes a dc offset cancellation circuit to ameliorate loss of measurement range associated with chemical sensors. Drawing inspiration from biological olfactory systems, the analog circuits used to process signals from the on-chip odor sensors make use of temporal "spiking" signals to act as carriers of odor information. An on-chip spike time dependent learning circuit is integrated to dynamically adapt weights for odor detection and classification. All the component subsystems implemented on chip have been successfully tested in silicon.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | IEEE Transactions on Circuits and Systems I: Regular Papers | ||||
Publisher: | IEEE | ||||
ISSN: | 1549-8328 | ||||
Official Date: | January 2007 | ||||
Dates: |
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Volume: | Volume 54 | ||||
Number: | Number 1 | ||||
Number of Pages: | 14 | ||||
Page Range: | pp. 60-73 | ||||
DOI: | 10.1109/TCSI.2006.888677 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | IEEE International Symposium on Circuits and Systems (ISCAS) | ||||
Type of Event: | Other | ||||
Location of Event: | Kobe, Japan | ||||
Date(s) of Event: | 23-26 May 2005 |
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