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    • 1. 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。
    • 3. 发明授权
    • Electric motor control apparatus
    • 电动机控制装置
    • US08232752B2
    • 2012-07-31
    • US12520995
    • 2007-04-16
    • Isao KezoboMasahiro KimataTakayuki KifukuKazumichi TsutsumiChiaki FujimotoNoriyuki Inoue
    • Isao KezoboMasahiro KimataTakayuki KifukuKazumichi TsutsumiChiaki FujimotoNoriyuki Inoue
    • H02P6/06
    • B62D5/0487G01R31/025G01R31/343G01R31/42H02M2001/325H02P29/027
    • An electric motor control apparatus that can quickly and accurately locate a short-circuit fault point. The electric motor control apparatus includes: a current controller determining respective phase voltage commands according to currents flowing in respective phases of an electric motor and a torque current command; a switching element drive circuit instructing, based on the respective phase voltage commands, an inverter to perform a switching operation; the inverter receiving a switching operation signal to drive the electric motor; current detectors disposed in series with the switching elements in the respective phases of the inverter; and a short-circuit point locating mechanism storing a test pattern indicative of a predetermined combination for turning on the switching elements of the inverter, and locating a short-circuit fault point based on the test pattern and current detection values in the respective phases detected by the current detectors in response to the test pattern.
    • 一种可以快速准确地定位短路故障点的电动机控制装置。 电动机控制装置包括:电流控制器,根据在电动机的各个相中流动的电流和转矩电流指令来确定各个相电压指令; 开关元件驱动电路,根据各相电压指令指示逆变器进行切换动作; 逆变器接收切换操作信号以驱动电动机; 与逆变器的各相中的开关元件串联设置的电流检测器; 以及短路点定位机构,其存储指示用于接通逆变器的开关元件的预定组合的测试图案,并且基于在由各个相位检测的各个相位中的测试图案和电流检测值来定位短路故障点 电流检测器响应于测试图案。
    • 4. 发明授权
    • Electric power steering device
    • 电动助力转向装置
    • US07828112B2
    • 2010-11-09
    • US12293140
    • 2007-03-08
    • Isao KezoboNoriyuki InoueChiaki FujimotoTakayuki KifukuMasahiro KimataKazumichi Tsutsumi
    • Isao KezoboNoriyuki InoueChiaki FujimotoTakayuki KifukuMasahiro KimataKazumichi Tsutsumi
    • B62D5/04
    • 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。
    • 6. 发明申请
    • ELECTRIC MOTOR CONTROL APPARATUS
    • 电动马达控制装置
    • US20100060222A1
    • 2010-03-11
    • US12520995
    • 2007-04-16
    • Isao KezoboMasahiro KimataTakayuki KifukuKazumichi TsutsumiChiaki FujimotoNoriyuki Inoue
    • Isao KezoboMasahiro KimataTakayuki KifukuKazumichi TsutsumiChiaki FujimotoNoriyuki Inoue
    • H02H7/08
    • B62D5/0487G01R31/025G01R31/343G01R31/42H02M2001/325H02P29/027
    • An electric motor control apparatus that can quickly and accurately locate a short-circuit fault point. The electric motor control apparatus includes: a current controller determining respective phase voltage commands according to currents flowing in respective phases of an electric motor and a torque current command; a switching element drive circuit instructing, based on the respective phase voltage commands, an inverter to perform a switching operation; the inverter receiving a switching operation signal to drive the electric motor; current detectors disposed in series with the switching elements in the respective phases of the inverter; and a short-circuit point locating mechanism storing a test pattern indicative of a predetermined combination for turning on the switching elements of the inverter, and locating a short-circuit fault point based on the test pattern and current detection values in the respective phases detected by the current detectors in response to the test pattern.
    • 一种可以快速准确地定位短路故障点的电动机控制装置。 电动机控制装置包括:电流控制器,根据在电动机的各个相中流动的电流和转矩电流指令来确定各个相电压指令; 开关元件驱动电路,根据各相电压指令指示逆变器进行切换动作; 逆变器接收切换操作信号以驱动电动机; 与逆变器的各相中的开关元件串联布置的电流检测器; 以及短路点定位机构,其存储指示用于接通逆变器的开关元件的预定组合的测试图案,并且基于在由各个相位检测的各个相位中的测试图案和电流检测值来定位短路故障点 电流检测器响应于测试图案。