Method of controlling an induction motor
    21.
    发明授权
    Method of controlling an induction motor 有权
    控制感应电动机的方法

    公开(公告)号:US06344726B1

    公开(公告)日:2002-02-05

    申请号:US09550252

    申请日:2000-04-14

    IPC分类号: H02P124

    摘要: If a speed instruction value is less than a predetermined value, the output current of a power-conversion unit is controlled to be larger than a current value in an ordinary no-load operation, or a frequency instruction value is calculated based on a speed instruction value in place of an estimated speed.

    摘要翻译: 如果速度指令值小于预定值,则在正常空载操作中将功率转换单元的输出电流控制为大于当前值,或者基于速度指令计算频率指令值 值代替估计的速度。

    Control apparatus for permanent magnet motor
    22.
    发明授权
    Control apparatus for permanent magnet motor 有权
    永磁电机控制装置

    公开(公告)号:US08779701B2

    公开(公告)日:2014-07-15

    申请号:US13029742

    申请日:2011-02-17

    IPC分类号: H02P21/00

    CPC分类号: H02P21/06 H02P21/22

    摘要: A sinusoidal signal is superimposed on a current command value of a q-axis (torque shaft) supplied from a host, and according to the resulting current command value, the output voltage of a power converter is controlled. For the calculation of the superimposed signal added to the current command value of the q-axis, with the use of the ripple component information of induced voltage coefficients of the d-axis and q-axis of the rotating coordinate system of a permanent magnet motor, the current command values of the d-axis and q-axis, an average value of induced voltage coefficients of the d-axis, and inductance values of the d-axis and q-axis, the sinusoidal superimposed signal is calculated and added to the above-described current command value of the q-axis.

    摘要翻译: 正弦信号叠加在从主机提供的q轴(转矩轴)的电流指令值上,根据所得到的电流指令值,控制功率转换器的输出电压。 为了计算添加到q轴的电流指令值的叠加信号,使用永磁电动机的旋转坐标系的d轴和q轴的感应电压系数的纹波分量信息 ,计算d轴和q轴的电流指令值,d轴的感应电压系数的平均值和d轴和q轴的电感值,正弦叠加信号被加到 上述q轴的电流指令值。

    CONTROL APPARATUS AND CONTROL METHOD FOR AC ELECTRIC MOTOR
    23.
    发明申请
    CONTROL APPARATUS AND CONTROL METHOD FOR AC ELECTRIC MOTOR 失效
    交流电动机的控制装置和控制方法

    公开(公告)号:US20120001581A1

    公开(公告)日:2012-01-05

    申请号:US13171626

    申请日:2011-06-29

    IPC分类号: H02P7/00

    CPC分类号: H02P21/0003

    摘要: A control apparatus and a control method for an AC electric motor detect DC bus current plural times at predetermined intervals during first and second predetermined periods and multiply vectors having integrated values of detected values during respective periods as elements by an inverse matrix of a matrix having integrated values during respective periods of sine and cosine functions of output voltage phase of an inverter at the moment that detection is made as elements to thereby estimate reactive and active currents.

    摘要翻译: AC电动机的控制装置和控制方法在第一和第二预定时段期间以预定间隔多次检测DC总线电流,并且在各周期期间具有检测值的积分值的乘法向量作为具有积分的矩阵的逆矩阵的元素 在检测作为元件的时刻的逆变器的输出电压相位的正弦和余弦函数的各个周期期间的值,从而估计无功和有功电流。

    Field weakening control apparatus for permanent magnet motor and electric power steering using same
    24.
    发明授权
    Field weakening control apparatus for permanent magnet motor and electric power steering using same 有权
    用于永磁电动机的弱磁控制装置和使用它的电动助力转向装置

    公开(公告)号:US07791295B2

    公开(公告)日:2010-09-07

    申请号:US12108676

    申请日:2008-04-24

    IPC分类号: H02P3/18 H02P5/28 H02P7/36

    CPC分类号: H02P21/06 H02P21/0003

    摘要: A motor control apparatus which controls an output voltage reference for an inverter driving a permanent magnet synchronous motor based on d-axis and q-axis current references, d-axis and q-axis current detected values, and a computed frequency value. When a torque reference specifying torque greater than maximum torque that the motor can output is input, a limit value for a phase angle that is a deviation between a rotation phase reference of control and a rotation phase value of the motor is varied depending on a quantity of the predetermined state.

    摘要翻译: 一种电动机控制装置,其基于d轴和q轴电流基准,d轴和q轴电流检测值来控制驱动永磁同步电动机的逆变器的输出电压基准,以及计算出的频率值。 当输入大于电动机输出的最大转矩的转矩基准指定转矩时,作为电动机的旋转相位基准与电动机的旋转相位值之间的偏差的相位角的限制值根据量 的预定状态。

    Vector control apparatus for permanent magnet motor
    26.
    发明授权
    Vector control apparatus for permanent magnet motor 失效
    永磁电机矢量控制装置

    公开(公告)号:US07560896B2

    公开(公告)日:2009-07-14

    申请号:US11679271

    申请日:2007-02-27

    IPC分类号: H02P27/04

    CPC分类号: H02P21/22

    摘要: A vector control apparatus for a permanent magnet motor operated in the region of weak magnet field, wherein when the output voltages of the power converter saturate, the phase error command value represented by the difference between the angular position of the reference axis for control and the angular position of the motor magnetic flux axis is generated on the basis of the difference between the q-axis current command value and the detected value of the q-axis current, and the command values for the output voltages of the power converter are corrected by using the phase error command value, whereby a highly responsive torque control with high precision can be achieved.

    摘要翻译: 一种用于在弱磁场区域中操作的永磁电动机的矢量控制装置,其中当功率转换器的输出电压饱和时,相位误差指令值由用于控制的参考轴的角位置与 基于q轴电流指令值与q轴电流的检测值之间的差产生电动机磁通轴的角度位置,功率转换器的输出电压的指令值由 使用相位误差指令值,可以实现高精度的高响应转矩控制。

    CONTROL APPARATUS FOR AC MOTOR
    27.
    发明申请
    CONTROL APPARATUS FOR AC MOTOR 有权
    交流电机控制装置

    公开(公告)号:US20090140674A1

    公开(公告)日:2009-06-04

    申请号:US12277476

    申请日:2008-11-25

    IPC分类号: H02P21/14 H02P6/18

    CPC分类号: H02P21/14

    摘要: It is attained by being provided with a motor constant calculation unit for calculating electric constants of a motor, and by correcting setting values of electric constants defined on one of the axes of two orthogonal axes, by a functional expression using a state variable defined on the same axis, and by correcting them by a functional expression using a state variable defined on the other axis.

    摘要翻译: 通过设置有用于计算电动机的电常数的电动机常数计算单元,并且通过使用在上述定义的状态变量的功能表达式来校正在两个正交轴的一个轴上定义的电常数的设定值来实现 并且通过使用在另一个轴上定义的状态变量的功能表达式来对它们进行校正。

    Field weakening control apparatus for permanent magnet motor and electric power steering using same
    28.
    发明申请
    Field weakening control apparatus for permanent magnet motor and electric power steering using same 有权
    用于永磁电动机的弱磁控制装置和使用它的电动助力转向装置

    公开(公告)号:US20080265809A1

    公开(公告)日:2008-10-30

    申请号:US12108676

    申请日:2008-04-24

    IPC分类号: H02P27/08

    CPC分类号: H02P21/06 H02P21/0003

    摘要: A motor control apparatus which controls an output voltage reference for an inverter driving a permanent magnet synchronous motor based on d-axis and q-axis current references, d-axis and q-axis current detected values, and a computed frequency value. When a torque reference specifying torque greater than maximum torque that the motor can output is input, a limit value for a phase angle that is a deviation between a rotation phase reference of control and a rotation phase value of the motor is varied depending on a quantity of the predetermined state.

    摘要翻译: 一种电动机控制装置,其基于d轴和q轴电流基准,d轴和q轴电流检测值来控制驱动永磁同步电动机的逆变器的输出电压基准,以及计算出的频率值。 当输入大于电动机输出的最大转矩的转矩基准指定转矩时,作为电动机的旋转相位基准与电动机的旋转相位值之间的偏差的相位角的限制值根据量 的预定状态。

    BEAT-LESS CONTROLLER FOR PERMANENT MAGNET MOTOR
    29.
    发明申请
    BEAT-LESS CONTROLLER FOR PERMANENT MAGNET MOTOR 有权
    永磁电机的无控制器

    公开(公告)号:US20080157710A1

    公开(公告)日:2008-07-03

    申请号:US11965871

    申请日:2007-12-28

    IPC分类号: H02P21/00 H02P27/06

    CPC分类号: H02P21/22

    摘要: In a driving system for an inverter that uses a diode rectifying circuit to convert a single-phase or three-phase AC voltage to a desired DC voltage and drives a permanent magnet motor, a DC-voltage pulsating frequency is estimated from a pulsating frequency setting calculated from the power supply frequency of an AC voltage and the detected current values of the inverter, and the resulting estimated pulsating frequency value and detected current values are used to correct the output voltage of the inverter.

    摘要翻译: 在使用二极管整流电路将单相或三相交流电压转换成期望的直流电压并驱动永磁电动机的逆变器的驱动系统中,从脉动频率设定值估计直流电压脉动频率 根据AC电压的电源频率和检测到的逆变器的电流值进行计算,并且使用所得到的估计脉动频率值和检测到的电流值来校正逆变器的输出电压。