会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明授权
    • Motor control apparatus
    • 电机控制装置
    • US07355361B2
    • 2008-04-08
    • US11522894
    • 2006-09-19
    • Takayuki KifukuMasaki MatsushitaHiroyuki Kozuki
    • Takayuki KifukuMasaki MatsushitaHiroyuki Kozuki
    • H02P7/29B62D1/00
    • H02P23/06H02H7/0838
    • A motor control apparatus can protect circuit elements in an appropriate manner while preventing an incorrect abnormality determination when a motor is in regeneration operation, etc. The apparatus includes a target current calculation section (51), a drive control section (52) that generates a drive signal based on a current deviation ΔI between a target current (IMT) and a detected current (IMS), an abnormality determination section (53) that generates an abnormality determination signal based on the target current (IMT) and the detected current (IMS), and a regeneration operation determination section (59) that determines whether the motor (4) is in a regeneration operation state. When it is determined that the motor (4) is in a regeneration operation, a determination threshold of the abnormality determination section (53) is set to a value larger than a determination threshold during power running operation.
    • 电动机控制装置可以以适当的方式保护电路元件,同时防止当电动机处于再生操作时的不正确的异常判定等。该装置包括目标电流计算部(51),驱动控制部(52),其产生 基于目标电流(IMT)和检测电流(IMS)之间的电流偏差ΔI的驱动信号,基于目标电流(IMT)和检测电流(IMS)生成异常判定信号的异常判定部(53) )和判定电动机(4)是否处于再生运转状态的再生动作判定部(59)。 当确定电动机(4)处于再生操作时,异常判定部(53)的判定阈值被设定为大于运转动作期间的判定阈值的值。
    • 5. 发明授权
    • Electromotive power steering system
    • 电动助力转向系统
    • US07141948B2
    • 2006-11-28
    • US11066390
    • 2005-02-28
    • Takayuki KifukuHiroyuki KozukiMasaki Matsushita
    • Takayuki KifukuHiroyuki KozukiMasaki Matsushita
    • H02P7/00
    • B62D5/0487B62D5/0481B62D5/0493
    • An objective is to provide, in a motor controller used for an electromotive power steering system, a concrete realistic method for easily performing abnormality judgments in its control system. The electromotive power steering system includes: a d-q command value setting unit for determining, for current to be applied to the motor, d-axis and q-axis current command values in a d-q coordinate system; a current detector for detecting a three-phase AC current actually flowing in the motor; a three-phase AC/d-q coordinate transformer for transforming the three-phase AC current detected by the current detector into a d-axis current detection value and a q-axis current detection value in the d-q coordinate system; a voltage controller for controlling a voltage applied to the motor, based on the d-axis current command value and the q-axis current command value, and on the d-axis current detection value and the q-axis current detection value; and an abnormality judging unit for judging, by either comparing the q-axis current command value with the q-axis current detection value, or comparing the d-axis current command value with the d-axis current detection value, whether a system-control abnormality has occurred.
    • 目的是在用于电动动力转向系统的电动机控制器中提供一种在其控制系统中容易执行异常判断的具体实际方法。 电动动力转向系统包括:d-q指令值设定单元,用于对d-q坐标系中的d轴和q轴电流指令值求电流, 电流检测器,用于检测在电动机中实际流动的三相AC电流; 三相AC / d-q坐标变换器,用于将由电流检测器检测的三相交流电流变换为d-q坐标系中的d轴电流检测值和q轴电流检测值; 基于d轴电流指令值和q轴电流指令值,对d轴电流检测值和q轴电流检测值进行控制的电压控制器,用于控制施加到电动机的电压。 以及异常判断单元,用于通过将q轴电流指令值与q轴电流检测值进行比较,或者将d轴电流指令值与d轴电流检测值进行比较来判断系统控制 发生异常
    • 6. 发明申请
    • Motor control apparatus
    • 电机控制装置
    • US20070252547A1
    • 2007-11-01
    • US11522894
    • 2006-09-19
    • Takayuki KifukuMasaki MatsushitaHiroyuki Kozuki
    • Takayuki KifukuMasaki MatsushitaHiroyuki Kozuki
    • H02P7/00
    • H02P23/06H02H7/0838
    • A motor control apparatus can protect circuit elements in an appropriate manner while preventing an incorrect abnormality determination when a motor is in regeneration operation, etc. The apparatus includes a target current calculation section (51), a drive control section (52) that generates a drive signal based on a current deviation ΔI between a target current (IMT) and a detected current (IMS), an abnormality determination section (53) that generates an abnormality determination signal based on the target current (IMT) and the detected current (IMS), and a regeneration operation determination section (59) that determines whether the motor (4) is in a regeneration operation state. When it is determined that the motor (4) is in a regeneration operation, a determination threshold of the abnormality determination section (53) is set to a value larger than a determination threshold during power running operation.
    • 电动机控制装置可以以适当的方式保护电路元件,同时防止当电动机处于再生操作时的不正确的异常判定等。该装置包括目标电流计算部(51),驱动控制部(52),其产生 基于目标电流(IMT)和检测电流(IMS)之间的电流偏差ΔI的驱动信号,基于目标电流(IMT)和检测电流(IMS)生成异常判定信号的异常判定部(53) )和判定电动机(4)是否处于再生运转状态的再生动作判定部(59)。 当确定电动机(4)处于再生操作时,异常判定部(53)的判定阈值被设定为大于运转动作期间的判定阈值的值。
    • 7. 发明申请
    • Electric power steering control apparatus
    • 电动助力转向控制装置
    • US20070199764A1
    • 2007-08-30
    • US11493598
    • 2006-07-27
    • Takayuki KifukuMasaki MatsushitaHiroyuki Kozuki
    • Takayuki KifukuMasaki MatsushitaHiroyuki Kozuki
    • B62D5/04
    • B62D5/049B62D5/0463B62D5/0484
    • An electric power steering control apparatus can limit a motor impression voltage thereby to maintain an appropriate motor output even upon occurrence of a failure of a motor current detection circuit or a motor current feedback control system. The apparatus includes a motor that generates an assist force to the steering system, an input processing section that takes in a steering torque signal from a torque sensor, an output processing section that drives the motor, and a processing unit that provides an instruction to the output processing section based on the steering torque signal. The processing unit includes an impression voltage calculation section that calculates an amount of operation to the motor in accordance with the steering torque signal, and an impression voltage limiting section that limits the impression voltage to predetermined limit values or less corresponding to the direction of the steering torque signal.
    • 电动动力转向控制装置可以限制电动机压印电压,从而即使在发生电动机电流检测电路或电动机电流反馈控制系统的故障时也能保持适当的电动机输出。 该装置包括向转向系统产生辅助力的电动机,从转矩传感器接收转向转矩信号的输入处理部,驱动电动机的输出处理部,以及向该转向系统提供指令的处理部 输出处理部。 处理单元包括压印电压计算部,其根据转向转矩信号计算对电动机的操作量,以及压印电压限制部,其将压印电压限制在与转向方向对应的规定极限值以下 转矩信号。
    • 8. 发明授权
    • Electromotive power steering controller
    • 电动助力转向控制器
    • US07161317B2
    • 2007-01-09
    • US11211577
    • 2005-08-26
    • Masaki MatsushitaTakayuki KifukuHiroyuki Kozuki
    • Masaki MatsushitaTakayuki KifukuHiroyuki Kozuki
    • H02P7/00
    • B62D5/0487H02P21/22
    • An objective is to provide a specific realization means for easily determining malfunction of a system in an electromotive power steering controller. The electromotive power steering controller includes: a voltage controller for controlling voltage applying to a motor based on a d-axis current command value and a q-axis current command value that are set by a d-q-command-value setting unit, and a d-axis current detection value and a q-axis current detection value that are obtained by, using the d-q coordinate system, transforming three-phase ac current that has been actually flowing in the motor and has been detected by a current detector; and a malfunction determining unit for determining that malfunction has occurred in the control system if at least one of the phase-current detection value is out of a first predetermined permissible range.
    • 目的是提供一种用于容易地确定电动助力转向控制器中的系统的故障的具体实现装置。 电动动力转向控制器包括:电压控制器,用于基于由dq指令值设定单元设定的d轴电流指令值和q轴电流指令值,控制施加于电动机的电压,d 通过使用dq坐标系获得的电流检测值和q轴电流检测值,其变换已经在电动机中实际流动并且由电流检测器检测到的三相交流电流; 以及故障确定单元,用于如果所述相电流检测值中的至少一个超出第一预定容许范围,则确定在所述控制系统中已发生故障。
    • 9. 发明授权
    • Steering control apparatus
    • 转向控制装置
    • US08983727B2
    • 2015-03-17
    • US12160948
    • 2006-05-30
    • Takayuki KifukuHiroyuki KozukiMasaki Matsushita
    • Takayuki KifukuHiroyuki KozukiMasaki Matsushita
    • B62D5/04B62D6/00B62D15/02H02P29/02
    • B62D5/0493H02P29/02
    • A steering control apparatus is obtained which can achieve a sophisticated control function and redundancy of a motor output torque control unit with a simple construction. The apparatus includes a motor 3 that provides assist torque to a steering system, and a processing unit 2 that has an input processing section 21 for taking in detection signals of various kinds of sensors, and an inverter 25a for driving the motor 3, wherein a command is given to the inverter 25a based on the detection signals. The processing unit 2 has a motor target output torque calculation section 221a, a motor output torque control unit 222, a plurality of main-calculation sections, and a plurality of sub-calculation sections corresponding to the main-calculation sections, and determines abnormality of the motor output torque control unit 222 based on individual calculation results of the main-calculation sections and the sub-calculation sections.
    • 获得能够以简单的结构实现电机输出转矩控制单元的复杂控制功能和冗余的转向控制装置。 该装置包括向转向系统提供辅助转矩的电动机3和具有用于接收各种传感器的检测信号的输入处理部21的处理单元2和用于驱动电动机3的逆变器25a,其中, 基于检测信号向逆变器25a提供指令。 处理单元2具有电动机目标输出转矩计算部221a,电动机输出转矩控制部222,多个主计算部以及与主计算部对应的多个子运算部, 电动机输出转矩控制单元222基于主计算部分和子计算部分的各个计算结果。