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International Workshop on Wearable and Implantable Body Sensor Networks (BSN'06)
Wireless Physiological Sensor System for Ambulatory Use
Cambridge, Massachusetts, U.S.A
April 03-April 05
ISBN: 0-7695-2547-4
Lynette Jones, Department of Mechanical Engineering, Massachusetts Institute of Technology
Nikhila Deo, Department of Electrical Engineering, Massachusetts Institute of Technology
Brett Lockyer, Department of Electrical Engineering, Massachusetts Institute of Technology
A wearable Physiological Sensor System (PSS) has been built that can be used with a wireless control unit to monitor the physiological status of a mobile user. Two physiological variables, heart rate and respiratory rate, were selected for initial study. The PSS was required to be non-invasive, lightweight, and low-power. Initial studies indicated that heart rate could be effectively measured using infrared light technology and so this was implemented in a wrist strap. Respiratory rate was recorded using a novel implementation of conducting polymer strain gages. For this purpose, polypyrrole-coated Lycra was fabricated and a chest strap was made that incorporated this sensor. Both sensors were connected to the PSS unit that was designed to provide the necessary signal processing; the output signals were then analyzed by the microcontroller in the control unit that is used to activate a wearable tactile display.
Citation:
Lynette Jones, Nikhila Deo, Brett Lockyer, "Wireless Physiological Sensor System for Ambulatory Use," bsn, pp.146-149, International Workshop on Wearable and Implantable Body Sensor Networks (BSN'06), 2006
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