電源制御装置及びその制御方法

Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus and a method for controlling a power source which prevents the life of a storage battery from being shortened at traveling, etc. in a traffic congestion city area by reducing an exhaust gas by improving the fuel cost of a vehicle by recovering a regenerated energy to the storage battery. <P>SOLUTION: The apparatus for controlling the power source includes an engine, a generator driven by the engine, the storage battery charged by the generator, and a storage battery charging/discharging controller for controlling the charging/discharging of the storage battery so that the charged state of the storage battery may fall within a predetermined range. The apparatus is placed in the vehicle. The storage battery charging/discharging controller detects the frequency of the occurrence of the state that the engine or the vehicle is stopped and sets the upper limit value of the predetermined range if the frequency is a predetermined threshold value or more to the value lower than the upper limit value if the frequency is less than the predetermined value. <P>COPYRIGHT: (C)2004,JPO&amp;NCIPI

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