NDLI: Design and characterization of electronic sensing system for a 13 × 13 biomechanical ground reaction sensor array

Content Provider	IEEE Xplore Digital Library
Author	Guo, Q. Suster, M.A. Surapaneni, R. Mastrangelo, C.H. Young, D.J.
Copyright Year	2013
Description	Author affiliation: Electr. & Comput. Eng. Dept., Univ. of Utah, Salt Lake City, UT, USA (Guo, Q.; Surapaneni, R.; Mastrangelo, C.H.; Young, D.J.) \|\| EECS Dept., Case Western Reserve Univ., Cleveland, OH, USA (Suster, M.A.)
Abstract	This paper presents the design and characterization of an electronic sensing system interfaced with a high-density flexible biomechanical ground reaction sensor array (GRSA). The prototype system can be incorporated into a personal boot heel to measure real-time ground force shear strain and sole deformation associated with a human bipedal locomotion thus providing zero-velocity correction to an inertial measurement unit placed in a close proximity. This approach can greatly reduce inertial error accumulation over time and improve positioning accuracy. The electronic sensing system consists of a front-end multiplexer that can sequentially connect individual capacitive sensing nodes from a 13 × 13 GRSA to a capacitance-to-voltage converter followed by a 12-bit ADC sampled at 66.7 k-samples/sec a digital timing & control unit and a driving circuitry. The electronics were fabricated in XFAB 0.35 μm CMOS process and can achieve a gait ground velocity sensing resolution of 40 μm/sec while dissipating 3mW power.
Starting Page	1
Ending Page	4
File Size	989043
Page Count	4
File Format	PDF
ISBN	9781467361460
DOI	10.1109/CICC.2013.6658448
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensors Arrays Capacitance Prototypes Noise Force Accuracy
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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