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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 資訊工程學系 > 會議論文  >  AmbiMax: Autonomous Energy Harvesting Platform for Multi-Supply Wireless Sensor Nodes


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/13820


    Title: AmbiMax: Autonomous Energy Harvesting Platform for Multi-Supply Wireless Sensor Nodes
    Authors: Chulsung Park
    Chou, P.H.
    Date: 2006
    Publisher: Institute of Electrical and Electronics Engineers Inc.
    Keywords: AmbiMax
    MPPT
    Abstract: AmbiMax is an energy harvesting circuit and a supercapacitor based energy storage system for wireless sensor nodes (WSN). Previous WSNs attempt to harvest energy from various sources, and some also use supercapacitors instead of batteries to address the battery aging problem. However, they either waste much available energy due to impedance mismatch, or they require active digital control that incurs overhead, or they work with only one specific type of source. AmbiMax addresses these problems by first performing maximum power point tracking (MPPT) autonomously, and then charges supercapacitors at maximum efficiency. Furthermore, AmbiMax is modular and enables composition of multiple energy harvesting sources including solar, wind, thermal, and vibration, each with a different optimal size. Experimental results on a real WSN platform, Eco, show that AmbiMax successfully manages multiple power sources simultaneously and autonomously at several times the efficiency of the current state-of-the-art for WSNs
    Relation Link: http://webservices.ieee.org/pindex_basic.html
    URI: http://nthur.lib.nthu.edu.tw/handle/987654321/13820
    Appears in Collections:[資訊工程學系] 會議論文
    [奈米工程與微系統研究所] 會議論文

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