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    • 2. 发明专利
    • Power output unit
    • 电源输出单元
    • JP2006042497A
    • 2006-02-09
    • JP2004218633
    • 2004-07-27
    • Toyota Central Res & Dev Lab IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • MITSUI MASAHIKONISHI YUJIKOBAYASHI TETSUOSASAKI ITSUKIKAWAUCHI SHIGEHIRO
    • B60L11/14B60K6/445B60W10/26B60W20/00G01R31/36H02J7/00
    • Y02T10/6239Y02T10/7077
    • PROBLEM TO BE SOLVED: To optimize the control of driving force distribution between multiple power sources in a power output unit in which some of the power sources generate driving force by electric power from a secondary battery.
      SOLUTION: A driving force distribution determination unit 170 sets the upper limit value of motor output power on the basis of the average overall SOC in entire secondary batteries, computed by an overall SOC computation unit 150, and then primarily sets driving force distribution between motor output power Pe and engine output power Pe. A driving force distribution correction unit 180 operates as follows: when the local SOC based on the estimated ion concentration distribution in the secondary batteries computed by a local SOC computation unit 160 is lower than the overall SOC, it computes the upper limit value of motor output power corresponding to the local SOC; when the motor output power Pe determined by the driving force distribution determination unit 170 is higher than the computed upper limit value of motor output power, it takes the upper limit value of motor output power as the final motor output power Pe#.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:优化电力输出单元中的多个电源之间的驱动力分布的控制,其中一些电源通过来自二次电池的电力产生驱动力。 解决方案:驱动力分布确定单元170基于由整体SOC计算单元150计算的整个二次电池的平均总体SOC,设定电动机输出功率的上限值,然后主要设定驱动力分布 电机输出功率Pe与发动机输出功率Pe之间。 驱动力分布校正单元180如下操作:当基于由局部SOC计算单元160计算的二次电池中的估计的离子浓度分布的局部SOC低于总体SOC时,计算电动机输出的上限值 功率对应于本地SOC; 当由驱动力分布确定单元170确定的电动机输出功率Pe高于所计算的电动机输出功率的上限值时,将电动机输出功率的上限值作为最终电动机输出功率Pe#。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Method and device for detecting remaining capacity of battery
    • 用于检测电池剩余容量的方法和装置
    • JP2007017357A
    • 2007-01-25
    • JP2005200968
    • 2005-07-08
    • Toyota Central Res & Dev Lab IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • MATSUO HIDEHITOKOBAYASHI TETSUOKONDO YASUHITOITO YUICHIUKIYOU YOSHIOKIKUCHI YOSHITERU
    • G01R31/36H01M10/48H02J7/00
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To measure the remaining capacity or SOC of a secondary battery, on the basis of mass movement resistance being internal resistance strongly correlated to the remaining capacity of the battery. SOLUTION: A load resistor 12 is connected to the secondary battery 40, the battery is allowed to perform a constant current discharge, and terminal-to-terminal voltage values of the secondary battery in course of the constant current discharge are measured by a voltage measuring portion 14. An SOC calculation portion 20 detects a value of polarization Ed or a value of resistance Rd dominating the internal mass movement, based on easiness in movement of an electrode reacting substance in the secondary battery on the occasion of its moving up to a reaction part, on the basis of the terminal-to-terminal voltage values measured just after the start of the constant current discharge and after the passage of a predetermined period of time. Based on the obtained value of polarization Ed or value of resistance Rd dominating the internal mass movement, the SOC of the secondary battery 40 is detected. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了测量二次电池的剩余容量或SOC,其基于质量运动阻力是与电池的剩余容量密切相关的内部电阻。

      解决方案:负载电阻器12连接到二次电池40,允许电池执行恒流放电,并且在恒定电流放电过程中二次电池的端对端电压值通过 电压测量部分14.SOS计算部分20基于在二次电池中的电极反应物质向上移动时容易移动的情况下,检测极化Ed的值或主导内部质量运动的电阻Rd的值 基于刚刚开始恒定电流放电后测量的端子间电压值和经过预定时间段之后的反应部分。 基于获得的极化值Ed或主要内部质量运动的电阻值Rd,检测二次电池40的SOC。 版权所有(C)2007,JPO&INPIT