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    • 2. 发明申请
    • CONTROL DEVICE FOR INDUCTION MOTOR
    • 电感电机控制装置
    • US20100085006A1
    • 2010-04-08
    • US12490220
    • 2009-06-23
    • Sadayuki SATOHideaki IuraYoichi YamamotoKozo Ide
    • Sadayuki SATOHideaki IuraYoichi YamamotoKozo Ide
    • H02P23/08
    • H02P21/09
    • A control device includes a slip calculator that calculates a first slip frequency of an induction motor, a current detector that detects motor current that passes through the induction motor, an adder that calculates a primary frequency by adding a speed command and a second slip frequency that are given, a command voltage generation unit that generates first command voltage from the primary frequency, a voltage error observer unit that estimates a command voltage error from the first command voltage and the motor current, a slip correction unit that calculates a slip correction amount from the command voltage error, an adder that calculates the second slip frequency by adding the first slip frequency and the slip correction amount, and a voltage error correction unit that corrects the first command voltage using the command voltage error and outputs second command voltage.
    • 控制装置包括:计算感应电动机的第一转差频率的滑差计算器;检测通过感应电动机的电动机电流的电流检测器;加法器,其通过加上速度指令和第二转差频率来计算主频率, 给出从主频率产生第一命令电压的指令电压产生单元,从第一指令电压和电动机电流估计指令电压误差的电压误差观测单元,计算滑差校正量的滑差校正单元, 命令电压误差,通过加上第一转差频率和滑差校正量来计算第二转差频率的加法器,以及使用指令电压误差校正第一指令电压并输出第二指令电压的电压误差校正单元。
    • 5. 发明授权
    • Control device for induction motor
    • 感应电动机控制装置
    • US08106621B2
    • 2012-01-31
    • US12490220
    • 2009-06-23
    • Sadayuki SatoHideaki IuraYoichi YamamotoKozo Ide
    • Sadayuki SatoHideaki IuraYoichi YamamotoKozo Ide
    • H02P23/00
    • H02P21/09
    • A control device includes a slip calculator that calculates a first slip frequency of an induction motor, a current detector that detects motor current that passes through the induction motor, an adder that calculates a primary frequency by adding a speed command and a second slip frequency that are given, a command voltage generation unit that generates first command voltage from the primary frequency, a voltage error observer unit that estimates a command voltage error from the first command voltage and the motor current, a slip correction unit that calculates a slip correction amount from the command voltage error, an adder that calculates the second slip frequency by adding the first slip frequency and the slip correction amount, and a voltage error correction unit that corrects the first command voltage using the command voltage error and outputs second command voltage.
    • 控制装置包括:计算感应电动机的第一转差频率的滑差计算器;检测通过感应电动机的电动机电流的电流检测器;加法器,其通过加上速度指令和第二转差频率来计算主频率, 给出从主频率产生第一命令电压的指令电压产生单元,从第一指令电压和电动机电流估计指令电压误差的电压误差观测单元,计算滑差校正量的滑差校正单元, 命令电压误差,通过加上第一转差频率和滑差校正量来计算第二转差频率的加法器,以及使用指令电压误差校正第一指令电压并输出第二指令电压的电压误差校正单元。
    • 7. 发明申请
    • Method and device for sensorless vector control for ac motor
    • 交流电机无传感器矢量控制的方法和装置
    • US20070018606A1
    • 2007-01-25
    • US10548671
    • 2004-03-08
    • Hideaki IuraYoichi YamamotoShigekazu Nakamura
    • Hideaki IuraYoichi YamamotoShigekazu Nakamura
    • H02P27/04
    • H02P21/141H02P21/18H02P21/26H02P2207/01
    • To provided a control method and a controller for an a.c. motor without using a speed sensor in which the speed estimated value or the magnetic flux estimated value of an all-dimensional magnetic flux speed observer can be made to correspond to that of an actual a.c. motor. A controller for an a.c. motor includes a vector control and calculating circuit (7) for controlling and calculating a vector from an exciting current command calculated in an exciting current command calculating circuit (5), a torque current command calculated in a torque current command calculating circuit (6), a coordinate transformed current detected value obtained in a coordinate transformation circuit (4), a speed estimated value and a magnetic flux phase estimated value and outputting an output voltage command, a switching pattern generating circuit (8) for generating a signal for PWM driving a power converter (1) from the output voltage command and an all-dimensional magnetic flux speed observer (9) for estimating the speed estimated value and the magnetic flux phase estimated value from the output voltage command and the coordinate transformed current detected value. In the controller for the a.c. motor, a coefficient correcting circuit 10 is provided for correcting the coefficient of a determinant used in the all-dimensional magnetic flux speed observer (9) in accordance with a magnetic flux command.
    • 提供一种控制方法和控制器。 电动机不使用速度传感器,其中可以使全维磁通速度观测器的速度估计值或磁通估计值与实际交流传感器的速度传感器相对应。 发动机。 a.c.的控制器 电动机包括用于根据在励磁电流指令计算电路(5)中计算出的励磁电流指令来控制和计算矢量的矢量控制和计算电路(7),在转矩电流指令计算电路(6)中计算的转矩电流指令, 在坐标变换电路(4)中获得的坐标变换的电流检测值,速度估计值和磁通量相位估计值,并输出输出电压指令;用于产生PWM驱动信号的开关模式产生电路(8) 功率转换器(1)和用于根据输出电压指令和坐标变换电流检测值估计速度估计值和磁通量相位估计值的全维磁通速度观测器(9)。 在控制器中的a.c. 电动机,提供系数校正电路10,用于根据磁通量指令校正全维磁通速度观测器(9)中使用的行列式的系数。
    • 9. 发明申请
    • Apparatus for opening and closing a door of a container apparatus of a vehicle
    • 用于打开和关闭车辆的集装箱装置的门的装置
    • US20070261512A1
    • 2007-11-15
    • US11797284
    • 2007-05-02
    • Keizo SugiuraSeiji IsomuraYoichi YamamotoHitoshi SugaKazumi Sugesawa
    • Keizo SugiuraSeiji IsomuraYoichi YamamotoHitoshi SugaKazumi Sugesawa
    • G05G1/00
    • G05G1/02B60N3/10B60R7/06Y10T74/20636Y10T74/20744Y10T292/57
    • An apparatus for opening and closing a door of a container apparatus of a vehicle can include a single knob, a shaft, a fixed member, a shaft biasing spring, an arm, and a cam. The shaft is movable in an axial direction of the shaft and rotatable about an axis of the shaft. The shaft has a radially extending portion. The shaft has first, second, and third rotational positions. The third rotational position is offset by 180 degrees from the first rotational position. The arm has an opening side arm corresponding to the first rotational position and a closing side arm corresponding to the third rotational position. A cam driving protrusion for rotating the cam is provided to at least one of the opening side arm and the closing side arm. A support member may be coupled to the arm. The support member includes an opening side support member and a closing side support member. Each of the opening side support member and the closing side support member has a recess formed therein for preventing the radially extending portion from interfering with the opening side support member or the closing side support member when the shaft rotates from the second rotational position to the third rotational position.
    • 用于打开和关闭车辆的容器装置的门的装置可以包括单个旋钮,轴,固定构件,轴偏压弹簧,臂和凸轮。 轴可以在轴的轴向方向上移动并且可绕轴的轴线旋转。 轴具有径向延伸部分。 轴具有第一,第二和第三旋转位置。 第三旋转位置偏离第一旋转位置180度。 臂具有对应于第一旋转位置的开口侧臂和对应于第三旋转位置的关闭侧臂。 用于使凸轮旋转的凸轮驱动突起设置在开口侧臂和闭合侧臂中的至少一个上。 支撑构件可以联接到臂。 支撑构件包括开口侧支撑构件和闭合侧支撑构件。 开口侧支撑构件和封闭侧支撑构件中的每一个具有形成在其中的凹部,用于当轴从第二旋转位置旋转到第三旋转位置时防止径向延伸部分与开口侧支撑构件或闭合侧支撑构件干涉 旋转位置。