Karya
Judul/Title Battery State of Charge Estimation Based on Coulomb Counting Combined with Recursive Least Square and PI Controller
Penulis/Author Agus Kustiman (1) ; BOBBY RIAN DEWANGGA (2); Prof. Ir. Oyas Wahyunggoro, MT., Ph.D. (3); Dr.Eng. Ir. Adha Imam Cahyadi, S.T., M.Eng., IPM. (4)
Tanggal/Date 23 2019
Kata Kunci/Keyword
Abstrak/Abstract Battery is one of the main parts in Electrical vehicles as it serves as energy source. In order to prolong battery lifetime and optimally operate the battery, battery performance needs to be monitored and controlled using Battery Management System (BMS). One among important BMS functions is to determine the amount of remaining energy capacity available in a battery, represented by State of Charge (SOC), through estimation. The SOC estimation accuracy is important since it is used as indicator to prevent battery from failures due to overcharging and over discharging. One of the SOC estimation methods is Coulomb counting (CC) which is easy to implement. However, a false initial value of the SOC in this method will degrade the accuracy of the SOC estimation. In this paper an SOC estimation method is proposed by using CC method combined with recursive least square (RLS) algorithm and Proportional Integral (PI) controller to correct the error of SOC estimation due to false initial value of SOC. The result indicates that the proposed method is able to correct the error of SOC estimation due to false initial value of SOC with average of SOC estimation error equals 0.498%.
Level Internasional
Status
Dokumen Karya
No Judul Tipe Dokumen Aksi
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