NDLI: Dynamical systems: A tool for analysis and design of silicon half center oscillators

Content Provider	IEEE Xplore Digital Library
Author	Fei Li Basu, A. Chip-Hong Chang Cohen, A.H.
Copyright Year	2011
Description	Author affiliation: Department of Biology, Neuroscience and Cognitive Science, University of Maryland, College Park 20742, USA (Cohen, A.H.) \|\| VIRTUS, IC Design Center of Excellence, Nanyang Technological University, Singapore, 639798 (Fei Li; Basu, A.; Chip-Hong Chang)
Abstract	In this paper, a new oscillator circuit for central pattern generator systems has been proposed. Switched-capacitor technique which enables controllable, more accurate and stable resistance has been used. Oscillation frequency can be easily controlled by the frequency of switching which is very useful for global change of oscillation frequency in an array of oscillators. SPICE simulation and dynamical systems analysis have shown that when used as a single oscillator, the proposed circuit is able to produce a phase response curve (PRC) close to the one of a lamprey central pattern generator (CPG) system. Applying averaging theory to the system of coupled oscillators, we obtain averaged H and G functions for unidirectional and bidirectional coupling cases. Analysis of these functions shows our circuit's superior capability to achieve fast entrained oscillation with sensory feedback and reach equilibrium even with high frequency mismatch.
Starting Page	249
Ending Page	252
File Size	544299
Page Count	4
File Format	PDF
ISBN	9781457714696
e-ISBN	9781457714702
DOI	10.1109/BioCAS.2011.6107774
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Couplings Resistors Capacitors Silicon Mathematical model Integrated circuit modeling Oscillators
Content Type	Text
Resource Type	Article

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