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 device for high frequency AC driven motor
    • 高频交流驱动电机电机控制装置
    • US6008617A
    • 1999-12-28
    • US198503
    • 1998-11-24
    • Satoru KanekoRyoso MasakiSanshiro ObaraYuusuke Takamoto
    • Satoru KanekoRyoso MasakiSanshiro ObaraYuusuke Takamoto
    • A47B51/00H02P21/00
    • H02P21/06H02P21/0085
    • A motor control device for an AC motor driven by a power converter with a maximum output frequency more than 500 Hz has a digital arithmetic unit which performs current-feed back control of the AC motor up to a maximum output frequency of the power converter, and outputs an AC voltage command to the power converter. The digital arithmetic unit includes a voltage control signal calculating unit for calculating a vector sum of the d-axis current deviation from a first subtracting unit and the q-axis current deviation from a second subtracting unit based on the d-axis and q-axis phases from a phase calculating unit as well as for calculating a d-axis voltage control signal and a q-axis voltage control signal according to the calculated vector sum, and performs current integration control for the d-axis and q-axis using the calculated vector sum as an input value. The AC voltage command is calculated based on the d-axis voltage control signal and the q-axis voltage control signals.
    • 用于由最大输出频率大于500Hz的功率转换器驱动的交流电动机的电动机控制装置具有数字运算单元,其执行直流电动机的最大输出频率的电流反馈控制,以及 向电力转换器输出交流电压指令。 数字运算单元包括:电压控制信号计算单元,用于基于d轴和q轴计算来自第一减法单元的d轴电流偏差和来自第二减法单元的q轴电流偏差的矢量和 根据计算出的矢量和计算d轴电压控制信号和q轴电压控制信号,并使用计算出的矢量和相位计算单元对d轴和q轴进行电流积分控制 向量和作为输入值。 根据d轴电压控制信号和q轴电压控制信号计算交流电压指令。
    • 5. 发明授权
    • Motor control device
    • 电机控制装置
    • US06555988B2
    • 2003-04-29
    • US09726595
    • 2000-12-01
    • Ryoso MasakiSatoru KanekoSanshiro ObaraMitsuyuki HombuYoshimi Sakurai
    • Ryoso MasakiSatoru KanekoSanshiro ObaraMitsuyuki HombuYoshimi Sakurai
    • H02P618
    • H02P6/182H02P6/18H02P25/089
    • In an arrangement having an electric power inverter 2 which applies a voltage to an AC motor 1 and a control unit 4 which calculates a voltage command value applied in PWM signals, detection use voltages Vup, Vvp and Vwp are applied in synchronism with PWM signal generation use carrier waves in the control unit 4 as well as motor currents iv and iv are detected in response to current detection pulses Pd in synchronism therewith. In a magnetic pole position detection unit 12, counter electromotive forces of the synchronous motor 1 are estimated from a relationship between the detection use voltages Vup, Vvp and Vwp and current difference vectors of the motor current to determine a magnetic pole position &thgr; through calculation. The determined magnetic pole position &thgr; is inputted to coordinate conversion units 8 and 11 and a motor speed detection unit 13. Thereby, a motor control device having a control characteristic of a good response property with no magnetic pole position sensor is provided for a control system of a synchronous motor.
    • 在具有向交流电动机1施加电压的电力逆变器2和计算施加在PWM信号中的电压指令值的控制单元4的布置中,与PWM信号生成同步地施加检测用电压Vup,Vvp和Vwp 响应于与其同步的电流检测脉冲Pd,检测控制单元4中的载波以及电动机电流iv和iv。 在磁极位置检测单元12中,根据检测用电压Vup,Vvp和Vwp之间的关系以及电动机电流的电流差矢量来估计同步电动机1的反电动势,以通过计算来确定磁极位置θ。 将确定的磁极位置θ输入到坐标转换单元8和11以及电动机速度检测单元13.由此,提供具有无磁极位置传感器的良好响应特性的控制特性的电动机控制装置用于控制系统 的同步电机。
    • 7. 发明授权
    • Synchronous motor control device electric motor vehicle control device and method of controlling synchronous motor
    • 同步电动机控制装置电动车辆控制装置及同步电机控制方法
    • US06281656B1
    • 2001-08-28
    • US09409992
    • 1999-09-30
    • Ryoso MasakiSatoru Kaneko
    • Ryoso MasakiSatoru Kaneko
    • H02P736
    • H02P6/18B60L11/14B60L11/1803B60L11/1807B60L15/025B60L15/20B60L2220/14B60L2220/16B60L2220/18Y02T10/643Y02T10/70Y02T10/7005Y02T10/7077Y02T10/7275
    • A synchronous motor control system includes a synchronous motor 1, an inverter 3 and a controller 4 wherein a current differential detecting unit 13 detects a variation of a motor current when the three phases of the motor 1 is short circuited by the inverter 3, namely at the moment when a carrier wave in a PWM signal generator 9 assumes maximum or minimum value, in a calculating unit 14 a phase &ggr; from &agr; axis of a stationary coordinate system to a three phase short circuited current differential vector is calculated, a phase &dgr; is estimated from d axis to the three phase short circuited current differential vector by making use of d axis current id and q axis current iq on d-q axes coordinate system in the controller 4, thereafter the magnetic pole position &thgr; with respect to &agr; axis is calculated from the phases &ggr; and &dgr;, based on thus calculated magnetic pole position &thgr;, d-q axes control units 11, 7 and 8 are constituted to control the synchronous motor, thereby a highly reliable control system for the motor which permits a detection of the magnetic pole position without affecting a state of applied voltage thereto while performing a usual PWM control with a low cost controller.
    • 同步电动机控制系统包括同步电动机1,逆变器3和控制器4,其中电流差动检测单元13检测到当电动机1的三相被逆变器3短路时的电动机电流的变化,即在 在PWM信号发生器9中的载波呈现最大或最小值的时刻,计算单元14中计算出从静止坐标系的α轴到三相短路电流微分矢量的相位γ,相位差为 通过利用控制器4中的dq轴坐标系上的d轴电流id和q轴电流iq从d轴估计到三相短路电流差分矢量,此后相对于α轴的磁极位置θ由 基于这样计算的磁极位置θ,dq轴控制单元11,7和8的相位γ和δ被构造成控制同步电动机t 因此,用于电动机的高度可靠的控制系统允许检测磁极位置而不影响施加电压的状态,同时以低成本控制器执行通常的PWM控制。
    • 9. 发明授权
    • Control system and control method for electric automobile
    • 电动汽车控制系统及控制方法
    • US5677604A
    • 1997-10-14
    • US225297
    • 1994-04-08
    • Ryoso MasakiNobuyoshi MutohSatoru KanekoSanshiro Obara
    • Ryoso MasakiNobuyoshi MutohSatoru KanekoSanshiro Obara
    • G01R15/09B60L9/18B60L11/18H02J7/02H02P3/00
    • B60L11/185B60L11/1803H02J7/022B60L2220/12B60L2240/526Y02T10/7005Y02T10/7072Y02T90/121Y02T90/128Y02T90/14
    • This invention aims to realize a superior control system for electric automobile, wherein the current can be accurately controlled according to the state of the automobile and yet high driving performance and charging performance can be achieved. When in the drive mode of the automobile, the system detects the current for drive using the current detector, controls the current of the inverter, and drives the induction motor. When in the charge mode, the system detects the current for charge using the current detector, controls the inverter, and charges the battery with the current from an external power supply. The intensity of the current differs by several times when driving and when charging, but the current detection range of the current detector for drive is wider than the current detection range of the current detector for charge. Therefore, the system detects higher current very accurately when driving and detects lower current very accurately when charging. Either when a charge control is required or when a motor drive control is required, the system can perform accurate current control suitable for each current control range requirement, thereby allowing highly efficient charge control with less noise.
    • 本发明旨在实现电动汽车的优越控制系统,其中可以根据汽车的状态精确地控制电流,并且可以实现高驱动性能和充电性能。 当在汽车的驱动模式下,系统使用电流检测器检测驱动电流,控制变频器的电流,并驱动感应电动机。 在充电模式下,系统使用电流检测器检测充电电流,控制逆变器,并用外部电源的电流对电池充电。 当驱动和充电时,电流强度不同,但驱动电流检测器的电流检测范围大于电流检测器的电流检测范围。 因此,当驱动时,系统检测到较高的电流,并且在充电时能够非常精确地检测到较低的电流。 当需要充电控制或需要电机驱动控制时,系统可以执行适合于每个电流控制范围要求的精确电流控制,从而允许具有较小噪声的高效充电控制。