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    • 2. 发明授权
    • Method for estimating remaining capacity of battery
    • 电池剩余容量估算方法
    • US08589096B2
    • 2013-11-19
    • US12231223
    • 2008-08-29
    • Woo Sung KimDo Sung HwangIl Cho
    • Woo Sung KimDo Sung HwangIl Cho
    • G01R31/36H02J7/16
    • H01M10/48G01R31/361G01R31/3651
    • The present invention provides a technique for estimating a remaining capacity of a battery. In particular, the technique measures a current value, a voltage value and temperature of the battery and corrects the current value based on the voltage value. The corrected current value is then integrated and the result is used to calculate a current integration capacity by reflecting a charge/discharge efficiency accordingly. A battery forward voltage capacity is then determined from the measured current value, voltage value and temperature, and used to determine whether it is necessary to correct the current integration capacity. The current integration capacity is then converted into a remaining capacity, if it is determined that a correction is not necessary. If it is determined that a correction is necessary, the current integration capacity is corrected and then the corrected current integration capacity is converted into a remaining capacity.
    • 本发明提供一种用于估计电池的剩余容量的技术。 特别地,该技术测量电池的电流值,电压值和温度,并根据电压值校正电流值。 然后校正的电流值被积分,并且结果被用于通过相应地反映充电/放电效率来计算电流积分容量。 然后根据测量的电流值,电压值和温度确定电池正向电压容量,并用于确定是否需要校正当前的积分能力。 如果确定不需要校正,则将当前积分容量转换成剩余容量。 如果确定需要校正,则校正当前积分容量,然后校正的当前积分容量被转换为剩余容量。
    • 6. 发明申请
    • Method for estimating remaining capacity of battery
    • 电池剩余容量估算方法
    • US20090254290A1
    • 2009-10-08
    • US12231223
    • 2008-08-29
    • Woo Sung KimDo Sung HwangIl Cho
    • Woo Sung KimDo Sung HwangIl Cho
    • G01R31/36
    • H01M10/48G01R31/361G01R31/3651
    • The present invention provides a method for estimating a remaining capacity of a battery. The method comprises: measuring a current value, a voltage value and temperature of the battery; correcting the current value based on the voltage value; calculating a current integration value by integrating the corrected current value and calculating a current integration capacity from the calculated current integration value by reflecting a charge/discharge efficiency; determining a battery forward voltage capacity from the measured current value, voltage value and temperature, and determining whether it is necessary to correct the current integration capacity based on the forward voltage capacity; converting the current integration capacity into a remaining capacity, if it is determined that it is not necessary to correct; and correcting, if it is determined that it is necessary to correct, the current integration capacity and converting the corrected current integration capacity into a remaining capacity. With the method, SOC of the battery can be more accurately calculated.
    • 本发明提供了一种用于估计电池的剩余容量的方法。 该方法包括:测量电池的电流值,电压值和温度; 基于电压值校正当前值; 通过对校正后的电流值进行积分来计算电流积分值,并通过反映充放电效率从计算出的电流积分值计算电流积分容量; 根据测量的电流值,电压值和温度来确定电池正向电压容量,以及确定是否需要基于正向电压容量来校正电流积分容量; 如果确定没有必要纠正,将当前的整合能力转化为剩余容量; 并且如果确定需要校正当前积分容量并将校正的当前积分容量转换为剩余容量,则进行校正。 利用该方法,可以更精确地计算电池的SOC。
    • 9. 发明申请
    • DISK CLAMP AND HARD DISK DRIVE HAVING THE SAME
    • 磁碟夹和硬盘驱动器
    • US20090268342A1
    • 2009-10-29
    • US12428534
    • 2009-04-23
    • Woo Chul KIMWoo Sung KimShi-Jung KimYoou Gyu Kam
    • Woo Chul KIMWoo Sung KimShi-Jung KimYoou Gyu Kam
    • G11B17/022
    • G11B17/0287
    • A disk clamp to fix a disk to a hub of a spindle motor in a hard disk drive, and a hard disk drive having the disk clamp. The disk clamp can include a coupling hole formed at a center of the disk clamp, in which a clamping screw is inserted, at least one through hole formed outside the coupling hole, and a pressing portion provided at an outer circumferential side of the disk clamp to contact and press the disk. A particular area around the at least one through hole that is away from the at least one through hole can have a sectional thickness thinner than a predetermined area that is adjacent to the at least one through hole, to prevent stress distribution generated at a contact surface between the pressing portion and the disk from being irregular due to the at least one through hole.
    • 用于将盘固定到硬盘驱动器中的主轴电动机的轮毂的盘夹以及具有盘夹的硬盘驱动器。 盘夹具可以包括形成在盘夹的中心处的联接孔,其中插入有夹紧螺钉,形成在联接孔外部的至少一个通孔和设置在盘夹的外周侧的按压部 联系并按下磁盘。 远离所述至少一个通孔的所述至少一个通孔周围的特定区域可以具有比与所述至少一个通孔相邻的预定区域更薄的截面厚度,以防止在接触表面处产生的应力分布 所述按压部和所述盘之间由于所述至少一个通孔而不规则。
    • 10. 发明申请
    • TECHNIQUE OF DETERMINING DEGRADATION OF HIGH-VOLTAGE BATTERY FOR VEHICLE
    • 确定用于车辆的高压电池的降解技术
    • US20130151183A1
    • 2013-06-13
    • US13540874
    • 2012-07-03
    • Ji Won NamWoo Sung KimSang Mok Park
    • Ji Won NamWoo Sung KimSang Mok Park
    • G01R31/36G06F19/00
    • B60L11/1857G01R31/3679H02J7/0021Y02T10/7005Y02T10/705Y02T10/7055
    • Disclosed herein is a technique for determining degradation of a high-voltage battery of a vehicle. More specifically, variations in charge capacity with respect to a predetermined variation in voltage of a high-voltage battery that is currently being slowly charged are obtained depending on degradation degrees of the high-voltage battery. A vehicle equipped with a high-voltage battery having a specification identical to those of the high-voltage battery is used to acquire a charge capacity and a voltage of the high-voltage battery that is currently being slowly charged. A variation in charge capacity with respect to the predetermined variation in voltage is calculated from the charge capacity and the voltage. The variation in charge capacity with respect to the predetermined variation in voltage is compared with the variations in charge capacity with respect to the predetermined variation in voltage depending on the degradation degrees, thus determining a relevant degradation degree.
    • 本文公开了一种用于确定车辆的高压电池的劣化的技术。 更具体地,根据高电压电池的劣化度,获得相对于当前缓慢充电的高压电池的预定电压变化的充电容量的变化。 使用具有与高电压电池相同规格的高压电池的车辆来获取当前正在缓慢充电的高电压电池的充电容量和电压。 从充电容量和电压计算相对于预定电压变化的充电容量的变化。 将相对于电压的预定变化的电荷容量的变化与根据劣化程度的预定电压变化相比,充电容量的变化,从而确定相关的劣化程度。