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    • 6. 发明授权
    • Electric power steering apparatus
    • 电动助力转向装置
    • US08339801B2
    • 2012-12-25
    • US12864200
    • 2008-01-25
    • Tsutomu TominagaMasahiro KimataTadayuki Fujimoto
    • Tsutomu TominagaMasahiro KimataTadayuki Fujimoto
    • H01R9/00
    • B62D5/0406H02K7/1166H02K11/33
    • Provided is an electric power steering apparatus which allows a reduction in apparatus size as well as in noise. A controller (20) includes: a metal board (22), on which a bridge circuit including a plurality of semiconductor switching elements (Q1 to Q6) for switching a current of an electric motor (1) is mounted; capacitors (31) for absorbing a ripple of the current; a control board (29), on which a microcomputer (33) for generating a drive signal for controlling the bridge circuit is mounted; and a connection member formed by insert molding high-current conductive plates (24 and 25), through which a high current flows, and signal conductive plates (26), to/from which a low-current signal is input/output, with a frame (23a) made of an insulating resin provided in proximity to an outer periphery of the metal board (22), in which the capacitors (31) are arranged in a row along an end surface of one side of the metal board (22) and are electrically connected to the high-current conductive plates (24).
    • 提供一种电动助力转向装置,其能够减小装置尺寸以及噪声。 控制器(20)包括:金属板(22),其上安装有用于切换电动机(1)的电流的多个半导体开关元件(Q1至Q6)的桥接电路; 用于吸收电流纹波的电容器(31) 控制板(29),其上安装有用于产生用于控制桥接电路的驱动信号的微计算机(33); 以及通过将大电流流过的大电流导电板(24,25)和输入/输出低电流信号的信号导电板(26)嵌入成型而形成的连接部件,其中, 在所述金属板(22)的外周附近设置绝缘性树脂的框架(23a),其中,所述电容器(31)沿着所述金属板(22)的一侧的端面排成一排, 并且电连接到大电流导电板(24)。
    • 7. 发明申请
    • ELECTRIC POWER STEERING APPARATUS
    • 电动转向装置
    • US20100295498A1
    • 2010-11-25
    • US12864200
    • 2008-01-25
    • Tsutomu TominagaMasahiro KimataTadayuki Fujimoto
    • Tsutomu TominagaMasahiro KimataTadayuki Fujimoto
    • G05B11/01
    • B62D5/0406H02K7/1166H02K11/33
    • Provided is an electric power steering apparatus which allows a reduction in apparatus size as well as in noise. A controller (20) includes: a metal board (22), on which a bridge circuit including a plurality of semiconductor switching elements (Q1 to Q6) for switching a current of an electric motor (1) is mounted; capacitors (31) for absorbing a ripple of the current; a control board (29), on which a microcomputer (33) for generating a drive signal for controlling the bridge circuit is mounted; and a connection member formed by insert molding high-current conductive plates (24 and 25), through which a high current flows, and signal conductive plates (26), to/from which a low-current signal is input/output, with a frame (23a) made of an insulating resin provided in proximity to an outer periphery of the metal board (22), in which the capacitors (31) are arranged in a row along an end surface of one side of the metal board (22) and are electrically connected to the high-current conductive plates (24).
    • 提供一种电动助力转向装置,其能够减小装置尺寸以及噪声。 控制器(20)包括:金属板(22),其上安装有用于切换电动机(1)的电流的多个半导体开关元件(Q1至Q6)的桥接电路; 用于吸收电流纹波的电容器(31) 控制板(29),其上安装有用于产生用于控制桥接电路的驱动信号的微计算机(33); 以及通过将大电流流过的大电流导电板(24,25)和输入/输出低电流信号的信号导电板(26)嵌入成型而形成的连接部件,其中, 在所述金属板(22)的外周附近设置绝缘性树脂的框架(23a),其中,所述电容器(31)沿着所述金属板(22)的一侧的端面排成一排, 并且电连接到大电流导电板(24)。
    • 9. 发明申请
    • ELECTRIC POWER STEERING DEVICE
    • 电动转向装置
    • US20090084616A1
    • 2009-04-02
    • US12293140
    • 2007-03-08
    • Isao KezoboNoriyuki InoueChiaki FujimotoTakayuki KifukuMasahiro KimataKazumichi Tsutsumi
    • Isao KezoboNoriyuki InoueChiaki FujimotoTakayuki KifukuMasahiro KimataKazumichi Tsutsumi
    • B62D6/00
    • B62D5/0481B62D5/0463
    • An electric power steering apparatus in which, when an abnormality is generated in an electric power steering apparatus, an assist is reduced smaller than normal when a steering burden is estimated to be small; and the assist can be increased to normal and the steering burden can be sufficiently reduced when the steering burden is estimated to be large. When an abnormality is detected, an assist command is set smaller than at a normal time when there is no abnormality in a first range where the steering burden estimated by the steering burden estimation unit is small; the assist command is increased to that at a normal time in a second range where the steering burden estimated by the steering burden estimation unit is larger than the first range; and an assist torque of a motor is controlled in response to the assist command at the abnormal time.
    • 一种电动助力转向装置,其中,当在电动助力转向装置中产生异常时,当驾驶负担被估计为小时,辅助被减小到比正常小; 并且辅助可以增加到正常,并且当估计转向负载大时可以充分地减小转向负担。 当检测到异常时,当由驾驶负担估计单元估计的转向负荷小的第一范围内没有异常时,将辅助指令设定为小于正常时的辅助指令; 在由转向负担估计单元估计的转向负载大于第一范围的第二范围内,辅助指令增加到正常时的辅助指令; 并且响应于异常时的辅助指令来控制电动机的辅助转矩。
    • 10. 发明授权
    • Power converter employing pulse width modulation control
    • 功率转换器采用脉宽调制控制
    • US06903948B2
    • 2005-06-07
    • US10470484
    • 2002-07-18
    • Masahiko YoshidaMasahiro KimataYasushi Ikawa
    • Masahiko YoshidaMasahiro KimataYasushi Ikawa
    • H02M1/08H02M3/157H02M3/335H02M7/68
    • H02M1/08H02M3/157H02M3/33515
    • A power converter includes a first sampling device 5 which samples a first command current value for a power conversion device 2 during a second cycle and produces a second command current value; a second sampling device 6 which samples a first detected current value pertaining to a load 3 and produces a second detected current value; a command voltage value calculator 9 for calculating a command voltage value from the second command current value and the second detected current value; a comparator 11 for comparing the second command voltage value with a triangular wave carrier signal, to thereby produce a first pulse width modulation (PWM) signal; and a multi-pulse prevention device 12. The multi-pulse prevention device 12 has inversion detection device for detecting inversion of the first PWM signal, and inversion inhibition device for driving the power conversion device 2 through use of a second PWM signal which prevents inversion of the first PWM signal, on the basis of a result of detecting operation performed by the inversion detection device.
    • 功率转换器包括第一采样装置5,其在第二周期期间对功率转换装置2采样第一指令电流值,并产生第二指令电流值; 第二采样装置6,对与负载3相关的第一检测电流值进行采样,并产生第二检测电流值; 指令电压值计算器9,用于根据第二指令电流值和第二检测电流值计算指令电压值; 比较器11,用于将第二指令电压值与三角波载波信号进行比较,从而产生第一脉宽调制(PWM)信号; 和多脉冲防止装置12。 多脉冲防止装置12具有用于检测第一PWM信号的反转的反转检测装置和用于通过使用防止第一PWM信号的反转的第二PWM信号来驱动电力转换装置2的反转禁止装置 检测由反转检测装置执行的操作的结果。