发明名称 |
SECONDARY BATTERY CONTROLLER |
摘要 |
<P>PROBLEM TO BE SOLVED: To calculate a state of charge of a secondary battery with high accuracy. <P>SOLUTION: A battery ECU 12 comprises: a first SOC calculation part 24 that calculates a first SOC through current integration; and a second SOC calculation part 26 that comprises a calculation part A 28 for calculating a SOC on the basis of current history and a calculation part B 30 for using a charging or discharging curve in a constant current to calculate the SOC. A correction part 32 uses the first SOC and the second SOC to calculate the SOC of a secondary battery 10 and outputs the calculated SOC to a vehicle ECU 14. The SOC accuracy is secured by using the calculation part B at the time of charging and discharging in the constant current. <P>COPYRIGHT: (C)2013,JPO&INPIT |
申请公布号 |
JP2012247374(A) |
申请公布日期 |
2012.12.13 |
申请号 |
JP20110121180 |
申请日期 |
2011.05.31 |
申请人 |
PRIMEARTH EV ENERGY CO LTD |
发明人 |
TOYODA MASAYOSHI |
分类号 |
G01R31/36;H01M10/48;H02J7/00 |
主分类号 |
G01R31/36 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|