Author(s)

Kaiyu Su ¹, Mingyu Gao ¹, Deyu Wang ¹

Affiliation(s)

¹ Department of Electronic and Information, Hangzhou DianZi University, China

Corresponding Author

Kaiyu Su

ABSTRACT

The electric motorcycle development rapidly in recent years. The electric motorcycle usually uses battery pack consisted of 4~6 lead-acid cells. A battery management system for lead-acid batteries will effectively improve the life length of the battery pack. A high precision of cell monitoring is necessary to SOC estimation. Monitoring schemes are usually too costly for mass production. In this paper, a low cost high precision cell voltage and current monitoring scheme is introduced. We use the voltage divide circuit to monitor the cell voltage, and manganin resistor was used to measure the current. They both software calibrated to improve the precision. The system was fully tested and the precision of monitoring meets the demand of further SOC estimation.

KEYWORDS

Electric motorcycle; Cell monitoring; Current measurement; BMS.

CITE THIS PAPER

Kaiyu, S. , Mingyu, G., Deyu, W. (2017) Design and Implementation of Software Calibrated Lead-Acid Monitoring System for Electric Motorcycle. Journal of Electronics and Information Science (2017) 2: 37-45.

REFERENCES

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[3] Brandl, M., et al.: "Batteries and battery management systems for electric vehicles." IEEE Design, Automation and Test in Europe, DATE IEEE (2012), p. 971-976.
[4] L. Lu, X. Han, J. Li, J. Hua, M. Ouyang: "A review on the key issues for lithium-ion battery management in electric vehicles", Journal of Power Sources, vol. 226 (2013), p. 272-288. 
[5] F. Baronti, G. Fantechi, R. Roncella, R. Saletti: "Intelligent cell gauge for a hierarchical battery management system", IEEE Transportation Electrification Conference and Expo (ITEC) (2012), p. 1-5. 
[6] Haq, Irsyad Nashirul, et al. Development of battery management system for cell monitoring and protection. Economics of development /. W.W. Norton (2014), p. 33-51. 
[7] Oancea, C. D, and C. Dinu: "LEM transducers interface for voltage and current monitoring." International Symposium on Advanced Topics in Electrical Engineering IEEE (2015), p. 949-952.
[8] Shalmany, Saleh Heidary, K. Makinwa, and D. Draxelmayr: "A ±5A battery current sensor with ±0.04% gain error from −55°C to +125°C." IEEE International Workshop on Advances in Sensors and Interfaces IEEE (2013), p. 117-120. 
[9] Du, Gang: "The Design and Implementation of CAN Bus Protocol Analysis Instrument." Electrotechnical Journal (2003).

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