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    • 5. 发明授权
    • Apparatus for calculating quantity indicating charged state of on-vehicle battery
    • 用于计算指示车载电池的充电状态的量的装置
    • US07733063B2
    • 2010-06-08
    • US11710562
    • 2007-02-26
    • Satoru MizunoKatsunori Tanaka
    • Satoru MizunoKatsunori Tanaka
    • H02J7/00G01N27/416
    • G01R31/3662G01R31/006G01R31/3648
    • An apparatus is provided to calculate a quantity indicating a charged state of an on-vehicle battery. The battery powers a starter starting up an on-vehicle engine. In the apparatus, a plurality of pairs of data consisting of current and voltage of the battery are acquired at predetermined sampling intervals during a cranking period of the engine in response to starting up the starter. At intervals, a value of an internal resistance of the battery is calculated based on the plurality of pairs of data of current and voltage. The internal resistance is one kind of the charged-state indicating quantity. An open voltage difference is calculated, which is a difference between a pseudo circuit-open voltage of the battery given before starting up the starter and a pseudo circuit-open voltage of the battery given after the cranking period. The value of the internal resistance is corrected using the open voltage difference.
    • 提供一种用于计算表示车载电池的充电状态的量的装置。 电池为启动车载发动机的起动器供电。 在该装置中,响应于起动器起动,在引擎的起动期间以预定的采样间隔采集由电池的电流和电压组成的多对数据。 间隔地,基于电流和电压的多对数据来计算电池的内部电阻值。 内部电阻是充电状态指示量的一种。 计算开启电压差,其为起动器起动前给出的电池的假电路开路电压与起动期后给出的电池的假电路开路电压之间的差。 使用开路电压差校正内部电阻值。
    • 6. 发明申请
    • Apparatus for calculating quantity indicating charged state of on-vehicle battery
    • 用于计算指示车载电池的充电状态的量的装置
    • US20070200567A1
    • 2007-08-30
    • US11710562
    • 2007-02-26
    • Satoru MizunoKatsunori Tanaka
    • Satoru MizunoKatsunori Tanaka
    • G01N27/416
    • G01R31/3662G01R31/006G01R31/3648
    • An apparatus is provided to calculate a quantity indicating a charged state of an on-vehicle battery. The battery powers a starter starting up an on-vehicle engine. In the apparatus, a plurality of pairs of data consisting of current and voltage of the battery are acquired at predetermined sampling intervals during a cranking period of the engine in response to starting up the starter. At intervals, a value of an internal resistance of the battery is calculated based on the plurality of pairs of data of current and voltage. The internal resistance is one kind of the charged-state indicating quantity. An open voltage difference is calculated, which is a difference between a pseudo circuit-open voltage of the battery given before starting up the starter and a pseudo circuit-open voltage of the battery given after the cranking period. The value of the internal resistance is corrected using the open voltage difference.
    • 提供一种用于计算表示车载电池的充电状态的量的装置。 电池为启动车载发动机的起动器供电。 在该装置中,响应于起动器起动,在引擎的起动期间以预定的采样间隔采集由电池的电流和电压构成的多对数据。 间隔地,基于电流和电压的多对数据来计算电池的内部电阻值。 内部电阻是充电状态指示量的一种。 计算开启电压差,其为起动器起动前给出的电池的假电路开路电压与起动期后给出的电池的假电路开路电压之间的差。 使用开路电压差校正内部电阻值。
    • 9. 发明授权
    • Control apparatus capable of economically and reliably controlling electric generator
    • 能够经济可靠地控制发电机的控制装置
    • US07664577B2
    • 2010-02-16
    • US11707987
    • 2007-02-20
    • Hiroyoshi YamamotoTakeshi ShimoyamaKatsunori TanakaAkira Kato
    • Hiroyoshi YamamotoTakeshi ShimoyamaKatsunori TanakaAkira Kato
    • G05D3/12F02D25/00H02P15/00
    • H02J7/1446Y02T10/92
    • According to the present invention, a control apparatus for an electric generator includes a power generation cost determiner determining a power generation cost of the generator, a threshold determiner determining a threshold of power generation cost as a function of a state of charge of an electric energy storage device, a comparator comparing the power generation cost of the generator with the threshold, and a controller. When the power generation cost of the generator is lower than the threshold, the controller controls the generator to generate an increased amount of electric power, so as to both charge the electric energy storage device and feed an electrical load. Otherwise, when the power generation cost of the generator is higher than the threshold, the controller controls the generator to generate a decreased amount of electric power, so as to allow the electric energy storage device to discharge to feed the electrical load.
    • 根据本发明,一种用于发电机的控制装置包括确定发电机的发电成本的发电成本确定器,确定作为电能的充电状态的函数的发电成本的阈值的阈值确定器 存储装置,比较发电机的发电成本与阈值的比较器以及控制器。 当发电机的发电成本低于阈值时,控制器控制发电机产生增加的电力量,从而对蓄电装置进行充电并馈送电力负载。 否则,当发电机的发电成本高于阈值时,控制器控制发电机产生减少的电力量,从而允许电能存储装置放电以馈送电力负载。
    • 10. 发明申请
    • Vehicle power supply system
    • 车载电源系统
    • US20060097577A1
    • 2006-05-11
    • US10546036
    • 2004-02-17
    • Akira KatoKatsunori TanakaMasaru KamiyaTakashi Senda
    • Akira KatoKatsunori TanakaMasaru KamiyaTakashi Senda
    • B60L1/00
    • F02N11/0866B60R16/03F02N2200/063F02N2250/02H02J7/1423Y02T10/7005
    • A main power source (2) is, for example, an ordinary Pb battery and generates a voltage of 12-13 V. At the time of starting an engine, the main power source (2) supplies power to a starter (8a). The main power source (2) is given a higher priority than an auxiliary power source (3) to supply power to ordinary loads (8b). The auxiliary power source (3) is a high performance battery (e.g., Li ion battery), which has superior charge acceptance capability and better state detectability over the main power source (2). Furthermore, the auxiliary power source (3) has an internal resistance per unit capacity, which is smaller than that of the main power source (2), and generates a voltage of 9-12 V. A generator (1) is directly connected to the auxiliary power source (3). The auxiliary power source (3) stores regenerative power, which is generated by the generator (1) at the time of deceleration of a vehicle, and is used as a redundant power source for the main power source (2). The main power source (2) and the auxiliary power source (3) are connected to each other through a supply circuit (5), which has a DC/DC converter (4), and a second supply circuit 7, which has a switch (6).
    • 主电源(2)例如是普通Pb电池并产生12-13V的电压。在起动发动机时,主电源(2)向起动器(8a)供电, 。 主电源(2)的优先级高于辅助电源(3),以向普通负载(8b)供电。 辅助电源(3)是具有比主电源(2)更好的充电接受能力和更好的状态检测能力的高性能电池(例如锂离子电池)。 此外,辅助电源(3)具有比主电源(2)小的单位容量的内部电阻,并且产生9〜12V的电压。发电机(1)直接连接到 辅助电源(3)。 辅助电源(3)存储在车辆减速时由发电机(1)产生的再生电力,并且用作主电源(2)的冗余电源。 主电源(2)和辅助电源(3)通过具有DC / DC转换器(4)的电源电路(5)和第二电源电路7彼此连接,第二电源电路7具有开关 (6)。