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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

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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)
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:
DateEvent
January 2007Published
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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