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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) | ||||
|---|---|---|---|---|---|
| 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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