State-of-charge estimation of a battery powered datalogger is an important feature for determining the remaining operation time. A two-region piecewise model for determining the capacity of a 3.7 V Li-ion battery based on two low-order polynomials and suitable for low-power embedded systems is introduced. The model is applied to a datalogger used in technosols studies and based on an Arduino MKR ZERO board. Data from soil pH, temperature and volumetric water content is stored in a microSD card. Details of the design and tests are presented.
Li-ion Battery Two-region Polynomial Piecewise State-of-charge Model for a Portable Datalogger Applied to Technosol Studies
01.11.2020
157855 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Vom Datalogger zum Transientenrecorder
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|DAS combines functions of datalogger, plug-in boards, DMM
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