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    • 72. 发明申请
    • THRUST GENERATION MECHANISM, DRIVE DEVICE, XY STAGE AND XYZ STAGE
    • 制动机构,驱动装置,XY阶段和XYZ阶段
    • US20110241449A1
    • 2011-10-06
    • US13133966
    • 2009-12-10
    • Yasuaki AoyamaYoshitaka Iwaji
    • Yasuaki AoyamaYoshitaka Iwaji
    • H02K41/03
    • H02K41/03H02P23/18H02P25/06
    • A thrust generation mechanism comprising magnetic pole teeth which are arranged so as to sandwich and hold permanent magnets disposed on movers, cores which serially connect the magnetic pole teeth which sandwich and hold the magnets, armature winding wires which are collectively wound around the cores, and the movers having the magnets arranged such that the different magnetic poles thereof alternately face the front side and the rear side. The magnetic pole teeth which are arranged so as to sandwich and hold the permanent magnets and the armature iron cores which have cores serially connecting the magnetic pole teeth which hold the magnets are arranged in the longitudinal direction of the movers, and armature iron cores have a common winding wire. A stage is provided with a small-sized lightweight drive device which comprises magnetic pole teeth which are arranged on both sides of each permanent magnet with gaps therebetween, cores which connect the magnetic pole teeth, armatures which have armature winding wires wound around the magnetic pole teeth, and a row of the permanent magnets which is arranged such that the different magnetic poles are arranged alternately. The small-sized lightweight drive device is configured so that the number of the magnetic poles of the armatures is changed according to a thrust pattern required by the drive device.
    • 一种推力产生机构,其包括磁极齿,其被布置成夹持并保持设置在移动体上的永磁体;串联连接夹持和保持磁体的磁极齿的芯;集中缠绕在芯上的电枢绕组线;以及 具有磁铁的移动器被布置成使得不同的磁极交替地面对前侧和后侧。 排列成夹持并保持永久磁铁的磁极齿和具有串联连接保持磁体的磁极齿的铁芯的电枢铁芯沿移动体的纵向方向布置,并且电枢铁芯具有 普通绕组线。 一个台架设有一个小型的重量轻的驱动装置,它包括磁极齿,磁极齿布置在每个永磁体的两侧,两个永磁体之间有间隙,连接磁极齿的铁心,电枢绕组绕在磁极上的电枢 齿和一排永久磁铁排列成使得不同的磁极交替布置。 小型轻型驱动装置被构造成使得根据驱动装置所需的推力图案来改变电枢的磁极数量。
    • 73. 发明授权
    • Synchronous motor control device
    • 同步电机控制装置
    • US07847500B2
    • 2010-12-07
    • US12001799
    • 2007-12-12
    • Yoshitaka IwajiJunnosuke NakatsugawaYasuhiko KokamiMinoru Kurosawa
    • Yoshitaka IwajiJunnosuke NakatsugawaYasuhiko KokamiMinoru Kurosawa
    • H02P7/00
    • H02P6/10G11B19/28
    • Control technique of a synchronous motor capable of suppressing rotation pulsation caused by individual difference without complicating control algorithm is provided. A pulsation generator superimposing a pulsation component anticipated in advance to a current command for the synchronous motor and a correction current generator superimposing a correction signal substantially having an average value of zero to the current command are provided in a synchronous motor control device. By this configuration, the correction signal suppressing a distortion component is superimposed to a value of the current command with a simplified control configuration. Torque pulsation is suppressed by determining the correction signal from difference between a detection current and a command current.
    • 提供了能够抑制由个体差异引起的旋转脉动而不复杂的控制算法的同步电动机的控制技术。 在同步电动机控制装置中设置脉动发生器,该脉动发生器将预先预定的脉动分量叠加到同步电动机的电流指令,以及校正电流发生器将基本上具有平均值零的校正信号叠加到电流指令。 通过这种配置,以简化的控制配置将抑制失真分量的校正信号叠加到当前命令的值。 通过从检测电流和指令电流之间的差确定校正信号来抑制扭矩脉动。
    • 76. 发明授权
    • AC motor driving apparatus and method of controlling the same
    • 交流电动机驱动装置及其控制方法
    • US07271557B2
    • 2007-09-18
    • US11486151
    • 2006-07-14
    • Toshiyuki AjimaHideki MiyazakiYoshitaka IwajiTakao YanaiKinya Nakatsu
    • Toshiyuki AjimaHideki MiyazakiYoshitaka IwajiTakao YanaiKinya Nakatsu
    • H02P7/00
    • H02P6/18
    • The AC motor driving apparatus comprises an inverter for supplying power to an AC motor, current sensors for detecting current that flows in the motor or inverter, a rotation sensor for detecting the rotation of the rotor in the motor, and a control unit for controlling the driving of the inverter. A current detection value detected by the current sensor and a rotor rotational position are used to estimate three-phase motor current values. The estimated motor current values are used to control the inverter. Thereby, an inexpensive, space-saving AC motor driving apparatus as well as an AC motor controller, electric actuator, or vehicle that can perform highly precise torque control from zero speed to high-speed rotation without depending on the PWM pulse pattern are provided.
    • 交流电动机驱动装置包括用于向交流电动机供电的逆变器,用于检测在电动机或逆变器中流动的电流的电流传感器,用于检测电动机中的转子的旋转的旋转传感器,以及用于控制电动机的控制单元 驱动变频器。 使用由电流传感器检测的电流检测值和转子旋转位置来估计三相电动机电流值。 估计电机电流值用于控制变频器。 因此,提供了一种廉价的,节省空间的AC电动机驱动装置以及可以执行从零速到高速旋转的高精度转矩控制的交流电动机控制器,电动致动器或车辆,而不依赖于PWM脉冲模式。
    • 77. 发明授权
    • Rotary electric machine and automobile provided with the same
    • 旋转电机和汽车配备相同
    • US07002274B2
    • 2006-02-21
    • US10392400
    • 2003-03-20
    • Houng Joong KimYoshitaka Iwaji
    • Houng Joong KimYoshitaka Iwaji
    • H02K21/12
    • H02K21/029H02K16/02
    • In a rotary electric machine capable of improving the reliability of an object provided with the same, a permanent magnet type synchronous rotary electric machine comprises has a stator provided with windings. A rotor arranged supported for rotation in the stator with a gap between the inner surface of the stator and the outer surface thereof, is divided into two rotor bodies each provided with permanent magnets of opposite polarities alternately arranged in a circumferential direction. In switching the permanent magnet type synchronous rotary electric machine from a motor to a generator, a second rotor body is moved axially relative to a first rotor body to an axial position that makes the intensity of a combined magnetic field created by the permanent magnets lower than that of a combined magnetic field created by the permanent magnets when the second rotor body is located at a predetermined position, and then the second rotor body is moved to the predetermined position.
    • 在能够提高设置有该物体的物体的可靠性的旋转电机中,永久磁铁式同步旋转电机具有定子,该定子设有绕组。 在定子的内表面和外表面之间具有间隙地配置的转子,被配置为在定子中旋转,分成两个转子体,每个转子体具有沿圆周方向交替布置的相反极性的永磁体。 在将永磁型同步旋转电机从电动机切换到发电机时,第二转子体相对于第一转子体轴向移动到轴向位置,使得由永磁体产生的组合磁场的强度低于 当第二转子体位于预定位置时由永磁体产生的组合磁场的磁场,然后第二转子体移动到预定位置。
    • 78. 发明授权
    • Control system and method
    • 控制系统及方法
    • US06310456B1
    • 2001-10-30
    • US09446849
    • 1999-12-28
    • Yasuo MorookaHiromi InabaTakashi NakaharaTakashi OkadaMasahiro TobiseYoshitaka Iwaji
    • Yasuo MorookaHiromi InabaTakashi NakaharaTakashi OkadaMasahiro TobiseYoshitaka Iwaji
    • G05B19408
    • G05B13/04G05B19/19G05B2219/42005Y02P90/265
    • A control system for determining a control function for a control device on the basis of a transfer function of an object to be controlled and for adjusting an operation quantity of an object to be controlled in accordance with the determined control operation function, wherein an control function of a first control device is determined so that a closed-loop transfer function of a control system including the object to be controlled and the first control device coincides with a predetermined first transfer function, an control function of a second control device is determined, in a closed loop control system including the control system and the first control device, so that a transfer function from a disturbance applied to the object to be controlled to a state variable of a point at which the disturbance is applied to the object to be controlled, and a sum signal indicative of a sum of outputs of the first and second control devices is used as an operation quantity of the object to be controlled.
    • 一种控制系统,用于基于要控制的对象的传递函数确定控制装置的控制功能,并且用于根据所确定的控制操作功能来调整要控制的对象的操作量,其中控制功能 确定第一控制装置的控制功能,使得包括要控制的对象和第一控制装置的控制系统的闭环传递功能与预定的第一传递函数一致,确定第二控制装置的控制功能, 包括控制系统和第一控制装置的闭环控制系统,使得从施加到要控制的对象的干扰的传递函数到对要被控制的对象施加干扰的点的状态变量, 并且使用表示第一和第二控制装置的输出的和的和信号作为对象的操作量 受控。
    • 79. 发明授权
    • Motor control method and motor control system
    • 电机控制方式及电机控制系统
    • US06225774B1
    • 2001-05-01
    • US09421368
    • 1999-10-19
    • Ryozo MasakiYoshitaka IwajiSatoru Kaneko
    • Ryozo MasakiYoshitaka IwajiSatoru Kaneko
    • H02P517
    • H02P21/22
    • In an a.c. motor control method and apparatus, operations are carried out at a current controller and a voltage setting using interrupt signals generated in synchronism with maximum and minimum values of a carrier wave at a control device for controlling an inverter for driving an alternating current motor. In operations at the voltage setting part carried out using one of the interrupt signals, a carrier wave is corrected in such a manner that phases of voltage command values gradually come into synchronism with a carrier wave. An integral multiple of the period of the carrier wave becomes the period of the a.c. voltage and current control operation timing is carried out in synchronism with the carrier wave.
    • 在a.c. 电动机控制方法和装置,在控制用于驱动交流电动机的逆变器的控制装置处,与载波的最大值和最小值同步产生的中断信号,在电流控制器和电压设定下进行操作。 在使用其中一个中断信号执行的电压设定部分的操作中,以使电压指令值的相位逐渐与载波同步的方式校正载波。 载波周期的整数倍成为a.c.的周期。 电压和电流控制操作定时与载波同步地进行。