This paper reports the design and testing of a power conditioning circuit for a solar powered in-car wireless tag for asset tracking and parking application. Existing long range asset tracking is based on the GSM/GPRS network, which requires expensive subscriptions. The EU FP7 project CEWITT aims at developing a credit card sized autonomous wireless tag with GNSS geo-positioning capabilities to ensure the integrity and cost effectiveness for parking applications. It was found in previous research that solar cells are the most suitable energy sources for this application. This study focused on the power electronics design for the wireless tag. A suitable solar cell was chosen for its high power density. Charging circuit, hysteresis control circuit and LDO were designed and integrated to meet the system requirement. Test results showed that charging efficiency of 80% had been achieved.


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    Title :

    Power Electronics Design of a Solar Powered In-car Wireless Tag for Asset Tracking and Parking Applications


    Contributors:
    Zhu, D. (author) / Henaut, J. (author) / Beeby, S.P. (author)


    Publication date :

    2014


    Size :

    5 Seiten, 2 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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