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Sensors 2013, 13(9), 11750-11771; doi:10.3390/s130911750

SIVEH: Numerical Computing Simulation of Wireless Energy-Harvesting Sensor Nodes

1
ITACA Institute, Universitat Politècnica de València, Valencia 46022, Spain
2
DISCA Department, Universitat Politècnica de València, Valencia 46022, Spain
*
Author to whom correspondence should be addressed.
Received: 24 June 2013 / Revised: 2 August 2013 / Accepted: 30 August 2013 / Published: 4 September 2013
(This article belongs to the Section Sensor Networks)
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Abstract

The paper presents a numerical energy harvesting model for sensor nodes, SIVEH (Simulator I–V for EH), based on I–V hardware tracking. I–V tracking is demonstrated to be more accurate than traditional energy modeling techniques when some of the components present different power dissipation at either different operating voltages or drawn currents. SIVEH numerical computing allows fast simulation of long periods of time—days, weeks, months or years—using real solar radiation curves. Moreover, SIVEH modeling has been enhanced with sleep time rate dynamic adjustment, while seeking energy-neutral operation. This paper presents the model description, a functional verification and a critical comparison with the classic energy approach.
Keywords: energy and resource management; low-power hardware design; numerical computing; wireless sensor networks; energy harvesting; energy neutral operation; simulation model energy and resource management; low-power hardware design; numerical computing; wireless sensor networks; energy harvesting; energy neutral operation; simulation model
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Sanchez, A.; Blanc, S.; Climent, S.; Yuste, P.; Ors, R. SIVEH: Numerical Computing Simulation of Wireless Energy-Harvesting Sensor Nodes. Sensors 2013, 13, 11750-11771.

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