Development of a universal adaptive battery charger as an educational project

Barth, Heike; Schaeper, Christoph; Schmidla, Tim; Nordmann, Hannes; Kiel, M.; Broeck, H. van der; Yurdagel, Yusuf; Wieczorek, C.; Hecht, F.; Sauer, Dirk Uwe

doi:10.1109/pesc.2008.4592211

Cited by 12 publications

(1 citation statement)

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“…One of the techniques used for terminating a charging process in batteries is detecting if the monitored voltage or current is at or below a given threshold. For example, in NiCd and NiMH, the voltage is monitored during charging, and when fully charged, a voltage drop (larger drop in NiCd) is observed, indicating charge completion, and it can be used to terminate the charging process [66][67][68]. For battery chargers implementing the CV or CC-CV profile, the applied charge current is monitored until the current drops below a given threshold for the battery.…”

Section: Voltage and Current Thresholdmentioning

confidence: 99%

Drone enabled autonomous charging-on-demand

Adegbesan

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Section: Voltage and Current Thresholdmentioning

confidence: 99%

Drone enabled autonomous charging-on-demand

Adegbesan

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Implementation of Automatic Unmanned Battery Charging System for Electric Cars

Jagwani¹

2023

Power Converters, Drives and Controls for Sustainable Operations

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Experimental set-up and procedures to test and validate battery fuel gauge algorithms

Balasingam

Pattipati

et al. 2015

Applied Energy

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A battery fuel gauge (BFG) helps to extend battery life by tracking the state of charge (SOC) and many other diagnostic features. In this paper, we present an approach to validate the SOC and time-to-shutdown (TTS) estimates of a BFG. Hardware-in-the-loop (HIL) testing under realistic usage scenarios provides a means for BFG algorithm evaluation and provides insights into practical implementation and testing of BFG algorithms in battery management systems. We report the details of a HIL system that was designed to validate the SOC and TTS estimation capability of BFG algorithms; different current load profiles were synthesized to replicate typical battery usage in portable electronic applications; the HIL system is automated with the help of programmable current profiles and is designed to operate at various controlled temperatures; three performance validation metrics are formulated for an objective assessment of SOC and TTS tracking algorithms. The HIL setup and the performance validation metrics are used to evaluate a BFG developed by the authors using three different batteries at temperatures ranging from −20 • C to 40 • C. Index Terms Battery management system (BMS), battery fuel gauge (BFG), state of charge (SOC) tracking, hardware-in-the-loop (HIL) validation.

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Development of a universal adaptive battery charger as an educational project

Cited by 12 publications

References 2 publications

Drone enabled autonomous charging-on-demand

Drone enabled autonomous charging-on-demand

Implementation of Automatic Unmanned Battery Charging System for Electric Cars

Experimental set-up and procedures to test and validate battery fuel gauge algorithms

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