Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 31, 2006
0Patent Application Number
111805740
Date Filed
July 14, 2005
0Patent Primary Examiner
Patent abstract
A switching operation of two switching elements is controlled by a controller. Specifically, by adjusting the duty ratio concerning the lower switching element, a capacitor voltage is controlled to a target value. This control is executed not only by simply performing a PI control with respect to the capacitor voltage based on a deviation from the target value, but also by performing feedback control with respect to battery power and output energy. Further, a scheduling factor based on battery voltage, capacitor voltage, and the like is employed to control the gain of the feedback control.
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