| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To offer an in-vehicle power supply system which can obtain the initial value of the initial state of an emergency storage battery with precision so as to stably supply emergency power. <P>SOLUTION: The in-vehicle power supply system is equipped with a generator 12 for a vehicle, a main battery 10 which is charged by the generator 12 for the vehicle, a sub battery 20, and a controller 40 which detects a discharge current and a sub battery terminal voltage by periodically discharging the sub battery and computes the internal resistance of the sub battery and resets the amount of summation of the charging and discharging currents. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
