A battery test platform with energy recycling feature based on sinusoidal loading technique

摘要

A microcontroller-based battery test system for power battery is realized in this paper. The proposed test system consists of a microcontroller, a sampling circuit, a human interface and a programmable resonant load. The proposed resonant load having wide-range slew-rate and programmable sinusoidal loading feature is used to verify the dynamic characteristics of the power battery in practical applications, and it also can recycle energy in diagnostic process. Furthermore, the loading current can be programmed by user or according to battery specifications. The proposed system has both low cost and portable feature. Finally, this work provides analysis of operation principle, simulations, and some experimental results to verify the theoretical feasibility.