Browse Publications Technical Papers 1999-01-2467
1999-08-02

Battery State-of-Charge Meters for High Performance Batteries Based on Fuzzy Logic Methodology 1999-01-2467

Battery state of charge meters based on combining fuzzy logic analysis and either Coulomb counting or battery impedance measurements have been designed, fabricated and tested. The Coulomb counting meters have been implemented in digital hardware using Motorola 68HC11 and 68HC12 microcontrollers and in field programmable gate arrays. The impedance meter has been prototyped in analog hardware using discrete components. In this paper, we present the hardware/software designs for these meters and some test results on primary Li/SO2 cells.

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