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    • 24. 发明授权
    • Control apparatus of DC-DC converter
    • DC-DC转换器控制装置
    • US07800347B2
    • 2010-09-21
    • US12501519
    • 2009-07-13
    • Shintaro TsujiiHichirosai OyobeKenji Yamada
    • Shintaro TsujiiHichirosai OyobeKenji Yamada
    • G05F1/70
    • H02M3/156H02M2001/0009
    • A control apparatus of a DC-DC converter includes a reactor and a switching element, repeats an accumulation and a discharge of energy of the reactor by a switching operation of the switching element, and converts a direct-current input voltage to acquire a direct-current output voltage. The control apparatus includes: a current value acquiring unit that acquires current values of the reactor in a current rising section and a current descending section of a current waveform of the reactor at a time interval of a half of a switching period of the switching element; and a center value estimating unit that estimates a center value of a current of the reactor based on the current values acquired in the current rising section and the current descending section.
    • DC-DC转换器的控制装置包括电抗器和开关元件,通过开关元件的开关动作重复电抗器的积聚和放电,并转换直流输入电压, 电流输出电压。 控制装置包括:电流值获取单元,以开关元件的开关周期的一半的时间间隔获取电抗器的电流上升段的电流值和电抗器的电流波形的电流下降部分; 以及中心值估计单元,其基于在当前上升部分和当前下降部分中获取的当前值来估计电抗器的电流的中心值。
    • 28. 发明申请
    • CONTROL APPARATUS OF DC-DC CONVERTER
    • DC-DC转换器的控制装置
    • US20100007323A1
    • 2010-01-14
    • US12501519
    • 2009-07-13
    • Shintaro TsujiiHichirosai OyobeKenji Yamada
    • Shintaro TsujiiHichirosai OyobeKenji Yamada
    • G05F3/00
    • H02M3/156H02M2001/0009
    • A control apparatus of a DC-DC converter includes a reactor and a switching element, repeats an accumulation and a discharge of energy of the reactor by a switching operation of the switching element, and converts a direct-current input voltage to acquire a direct-current output voltage. The control apparatus includes: a current value acquiring unit that acquires current values of the reactor in a current rising section and a current descending section of a current waveform of the reactor at a time interval of a half of a switching period of the switching element; and a center value estimating unit that estimates a center value of a current of the reactor based on the current values acquired in the current rising section and the current descending section.
    • DC-DC转换器的控制装置包括电抗器和开关元件,通过开关元件的开关动作重复电抗器的积聚和放电,并转换直流输入电压, 电流输出电压。 控制装置包括:电流值获取单元,以开关元件的开关周期的一半的时间间隔获取电抗器的电流上升段的电流值和电抗器的电流波形的电流下降部分; 以及中心值估计单元,其基于在当前上升部分和当前下降部分中获取的当前值来估计电抗器的电流的中心值。