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A Method for Estimating State of Charge in Energy-Aware Wireless Sensor Nodes

Giada Giorgi, Andrea Veronese, Luca Corradini
  • Abstract:
    The estimation of the Lithium-Ion battery State of Charge in a sensor node represents a challenging problem. The methods currently proposed in literature are mainly devoted to characterized the state of charge in portable electronic devices; however, their implementation in sensor nodes results to be unfeasible, both for the energy consumption and for the computational complexity. In this paper we will present a method for estimating the battery State of Charge, mainly based on a virtual implementation of the Coulomb Counting method, that aims to overcome some of the drawbacks of the existing methods and to fulfill the more stringent requirements presented by a sensor node.
  • Keywords:
    wireless sensor node, battery state of charge, energy harvester
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  • DOI:
    _unreg_tc4-2013.033

Event details:

  • IMEKO TC:
    TC4
  • Event name:
    TC4 Symposium 2013
  • Title:
    19th IMEKO TC4 Symposium Measurements of Electrical Quantities (together with 17th TC4 IWADC Workshop on ADC and DAC Modelling and Testing)
  • Place:
    Barcelona, SPAIN
  • Time:
    18 July 2013 - 19 July 2013