NEO Satellite is a multi-mission satellite developed by Research Center for Satellite Technology (PRTS), BRIN, with its main mission being earth observation. It carries some payload consisting of a multi-spectral imager, Automatic Identification System (AIS) sensor, magnetometer sensor, and infrared camera. To support its mission, the satellite is equipped with two 12Ah Li-Ion battery packs. To ensure the proper functioning of the batteries, an investigation and analysis of the State of Charge (Soc) are conducted. The estimation of Soc is often inaccurate due to common errors, which typically affect the Soc estimation, such as current measurement error and current integration error. This paper presents an investigation into battery errors and their effects on Soc estimation, as well as the Coulomb Counting (CC) method for estimating Soc. The obtained results show a linear increase in the deviation of the estimated Soc value from the actual Soc value, which is caused by the errors.
Investigation of Battery Errors and Their Impact on State of Charge Estimation in NEO Satellite
2023-10-26
479890 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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