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    • 1. 发明专利
    • Motor controlling device
    • 电机控制装置
    • JP2011234456A
    • 2011-11-17
    • JP2010100850
    • 2010-04-26
    • Fuji Electric Co Ltd富士電機株式会社
    • NOMURA NAOFUMIITOIGAWA NOBUO
    • H02P29/00
    • PROBLEM TO BE SOLVED: To provide a motor controlling device that reduces a time required for estimating a mechanical constant such as a moment of inertia and makes it constant regardless of an acceleration/deceleration time.SOLUTION: In a controlling device including a mechanical constant estimation unit 30 that estimates a mechanical constant constituting a mechanical system model of a motor for driving a load based on a speed-corresponding value and a torque corresponding value, the mechanical constant estimation unit includes: acceleration calculation means (differentiator 31 and gain multiplier 32) for calculating a second acceleration corresponding value by multiplying the acceleration corresponding value of a mechanical system by a first gain; mechanical constant calculation means (recursive least-squares calculation unit 33) for calculating a mechanical constant such as a second moment-of-inertia estimate value that is a proportional coefficient of the second acceleration corresponding value based on the second acceleration corresponding value, the speed-corresponding value, and the torque corresponding value ; and a gain multiplier 34 for estimating a moment of inertia by multiplying the second moment-of-inertia estimate value by a second gain. The first gain and the second gain are set to the same value K.
    • 要解决的问题:提供一种电机控制装置,其减少用于估计诸如转动惯量的机械常数所需的时间,并且使其恒定,而与加速/减速时间无关。 解决方案:在包括机械常数估计单元30的控制装置中,机械常数估计单元30基于速度对应值和转矩对应值来估计构成用于驱动负载的电动机的机械系统模型的机械常数,机械常数估计 单元包括:用于通过将机械系统的加速度对应值乘以第一增益来计算第二加速度对应值的加速度计算装置(微分器31和增益乘法器32) 机械常数计算装置(递归最小二乘法计算单元33),用于基于第二加速度对应值计算作为第二加速度对应值的比例系数的第二转动惯量估计值的机械常数,速度 - 相应的值和转矩对应值; 以及增益乘法器34,用于通过将第二转动惯量估计值乘以第二增益来估计惯性矩。 第一增益和第二增益被设置为相同的值K am 。 版权所有(C)2012,JPO&INPIT
    • 2. 发明专利
    • Motor control apparatus
    • 电动机控制装置
    • JP2011147268A
    • 2011-07-28
    • JP2010005803
    • 2010-01-14
    • Fuji Electric Co Ltd富士電機株式会社
    • NOMURA HISAFUMIITOIGAWA NOBUO
    • H02P29/00
    • PROBLEM TO BE SOLVED: To prevent a torque from changing suddenly even during operation of a motor, and estimate a mechanical constant accurately and perform torque feedforward compensation. SOLUTION: A motor control apparatus includes a mechanical constant estimation unit 30 for estimating a mechanical constant of a mechanical system model 20, a speed regulator 12 for amplifying a deviation between a speed command and a speed detection value of the motor by a proportion/integration adjuster, a compensation unit 40 for calculating a torque feedforward compensation value by the estimated mechanical constant value and the speed command value, an adder 41 for adding an output of the speed regulator 12 to the torque feedforward compensation value to calculate a torque command value, and a torque controller 13 of controlling a torque of the motor to a command value. The motor control apparatus sets the torque feedforward compensation value to zero before starting estimation calculation of the mechanical constant, starts calculation of the torque feedforward compensation value with a lapse of a prescribed time after the start of the estimation calculation of the mechanical constant, and initializes the output of the speed regulator 12 to prevent the torque command value from changing suddenly when starting calculation of the compensation value. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:即使在马达运转时,也可以防止扭矩突然变化,并且精确地估计机械常数并进行扭矩前馈补偿。 解决方案:电动机控制装置包括用于估计机械系统模型20的机械常数的机械常数估计单元30,速度调节器12,用于将速度指令和电动机的速度检测值之间的偏差放大到 比例/积分调节器,用于通过估计机械常数值和速度指令值计算扭矩前馈补偿值的补偿单元40,用于将速度调节器12的输出与扭矩前馈补偿值相加的加法器41,以计算转矩 指令值,以及将电动机的转矩控制为指令值的转矩控制器13。 电动机控制装置在开始机械常数的计算之前将转矩前馈补偿值设定为零,开始计算机械常数后的规定时间开始计算转矩前馈补偿值,并初始化 速度调节器12的输出,以防止在开始计算补偿值时转矩指令值突然变化。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • 交流回転機の制御装置
    • 交流电机控制器
    • JP2014241728A
    • 2014-12-25
    • JP2014204564
    • 2014-10-03
    • 富士電機株式会社Fuji Electric Co Ltd
    • ITOIGAWA NOBUO
    • H02P5/74
    • 【課題】複数の電力変換装置および他の付属機器の間で情報を共有して、交流回転機の駆動連係を強化することで、電力変換システム全体の最適化を容易とした交流回転機の制御装置およびその運転方法を提供する。【解決手段】電力変換システムは、マスター局を構成する上位制御装置10、複数の電力変換装置11〜13、および付属する情報機器(温度センサ14、圧力センサ15などの各種センサ機器)などによって分散構成されている。上位制御装置10は第1の通信回線22によって電力変換装置11,12と接続されている。さらに電力変換装置11,12は、2つ以上の通信機能を搭載し、残りの電力変換装置13、および温度センサ14、圧力センサ15と、第2の通信回線23によって接続されている。【選択図】図1
    • 要解决的问题:提供一种交流旋转机械的控制器,其在多个功率转换器和其他附加装置之间共享信息,并且加强了交流旋转机器的驱动联动装置,以便于整个功率转换系统的优化, 提供控制器的操作方法。解决方案:功率转换系统由构成主站的高阶控制器10分散构成; 多个电力变换器11〜13; 和附属信息装置(各种传感器,例如温度传感器14和压力传感器15)。 高阶控制器10通过第一通信线路22连接到电力转换器11和12.电力转换器11和12加载两个或更多个通信功能,并连接到剩余电力转换器13,温度传感器14和 压力传感器15通过第二通信线路23。
    • 4. 发明专利
    • Controller of permanent magnet synchronous motor
    • 永磁同步电机控制器
    • JP2011193726A
    • 2011-09-29
    • JP2011149949
    • 2011-07-06
    • Fuji Electric Co Ltd富士電機株式会社
    • YAMAZAKI TAKAHIROOSAWA HIROSHINOMURA HISAFUMIITOIGAWA NOBUO
    • H02P6/16H02P21/00H02P27/04
    • PROBLEM TO BE SOLVED: To execute a position estimation operation and magnetic pole identification simultaneously, and to prevent an overcurrent by making it possible to control a fundamental wave current even at identifying the magnetic pole.
      SOLUTION: A controller includes: an adder 9 which generates a direct-axis voltage command by superposing a high-frequency voltage upon a fundamental wave voltage command; a coordinate converter 2 and a filter 4 which decompose an armature current into a direct-axis current and a quadrature-axis current and extracts a high-frequency current having the same frequency as that of the high-frequency voltage; a speed estimator 7 and an integrator 8 which operate a speed estimated value and a first position estimated value of a rotor from the high-frequency current; and a switch B, a memory 5 and a magnetic pole identifying apparatus 6 which superpose a pulse voltage having a positive polarity and a negative polarity upon the high-frequency voltage and operate a second position estimated value by correcting the first position estimated value based on a rate-of-change of the direct-axis currents at superposing the pulse voltage of the positive polarity and at superposing the pulse voltage of the negative polarity.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:同时执行位置估计操作和磁极识别,并且即使在识别磁极时也可以通过使得能够控制基波电流来防止过电流。 解决方案:控制器包括:加法器9,其通过在基波电压指令上叠加高频电压来产生直轴电压指令; 坐标转换器2和滤波器4,其将电枢电流分解为直轴电流和正交轴电流,并提取具有与高频电压相同频率的高频电流; 速度估计器7和从高频电流操作转子的速度估计值和第一位置估计值的积分器8; 以及开关B,存储器5和磁极识别装置6,其在高频电压上叠加具有正极性和负极性的脉冲电压,并且通过基于第一位置估计值校正第二位置估计值来操作第二位置估计值 在叠加正极性的脉冲电压并叠加负极性的脉冲电压时的直轴电流的变化率。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Control device for permanent magnet type synchronous motor
    • 永磁同步电机控制装置
    • JP2013226001A
    • 2013-10-31
    • JP2012097370
    • 2012-04-23
    • Fuji Electric Co Ltd富士電機株式会社
    • SAMIT LOUDITOIGAWA NOBUO
    • H02P21/00H02P27/04
    • PROBLEM TO BE SOLVED: To provide a permanent magnet type synchronous motor in which increase of a DC intermediate voltage caused by regeneration energy is suppressed regardless of an operating state of the motor and control during normal operation and regeneration energy control can be implemented in a seamless manner.SOLUTION: A current command computing section 18 is included which computes a (d), (q) axis current command value on the basis of a torque command value of a permanent magnet type synchronous motor. The current command value computing section 18 includes a magnetic flux command computing element 111 which computes a magnetic flux command value from at least the torque command value, an output limiter 142, a magnetic flux correction coefficient upper limit value computing element 124 which adjusts the magnetic flux command value to a value greater than that in normal operation in order to suppress increase of a DC intermediate voltage of a power converter caused by regeneration energy of a motor, an output limiter 123, a multiplier 125, and a current command computing element 133 which computes a (d) axis current command value and a (q) axis current command value.
    • 要解决的问题:提供一种永久磁铁式同步电动机,其中不管电动机的运行状态如何,由再生能量引起的直流中间电压的增加被抑制,并且正常运行期间的控制,再生能量控制可以以无缝的方式实现 方式。解决方案:包括基于永磁式同步电动机的转矩指令值计算(d),(q)轴电流指令值的电流指令计算部分18。 电流指令值计算部18包括:至少从转矩指令值计算磁通指令值的磁通指令运算部件111,输出限幅器142,磁通量校正系数上限值计算部件124, 磁通指令值大于正常工作时的值,以抑制由电机的再生能量,输出限制器123,乘法器125和电流指令运算元件133引起的功率转换器的直流中间电压的增加 其计算(d)轴电流指令值和(q)轴电流指令值。
    • 6. 发明专利
    • Controller of induction motor
    • 感应电动机控制器
    • JP2012249489A
    • 2012-12-13
    • JP2011121393
    • 2011-05-31
    • Fuji Electric Co Ltd富士電機株式会社
    • NOMURA NAOFUMIITOIGAWA NOBUO
    • H02P21/00H02P27/04H02P27/06
    • PROBLEM TO BE SOLVED: To estimate the electric constant of an induction motor accurately at standstill of a rotor, and to reduce the cost by performing fixed point operation while reducing the operation load.SOLUTION: A controller of an induction motor comprises: a signal operation unit 101 including first and second signal operation means for operating first and second signals, respectively, from a plant input (primary voltage detection value of an induction motor), third and fourth operation means for operating third and fourth signals from a plant output (primary current detection value of an induction motor), means for setting a fifth signal to a fixed value, and means for operating an output estimation value from the internal product of a 5-dimensional signal vector and a 5-dimensional parameter estimation value vector; an adaptive identification device 102 which operates a parameter estimation value vector from the deviation of the output from the output estimation value and the signal vector; and a coefficient operation unit 103 and an electric constant operation unit 104 for operating the electric constant estimation value of an induction motor from the parameter estimation value vector.
    • 要解决的问题:为了在转子停止时精确地估计感应电动机的电常数,并且通过在减少操作负荷的同时进行定点操作来降低成本。 感应电动机的控制器包括:信号操作单元101,包括第一和第二信号操作装置,用于分别从工厂输入(感应电动机的初级电压检测值),第三信号操作装置 以及用于从工厂输出(感应电动机的初级电流检测值)操作第三和第四信号的第四操作装置,用于将第五信号设置为固定值的装置,以及用于从第一信号的内积产生输出估计值的装置 5维信号矢量和5维参数估计值矢量; 自适应识别装置102,其根据来自输出估计值和信号矢量的输出的偏差来操作参数估计值向量; 以及用于从参数估计值向量操作感应电动机的电常数估计值的系数运算单元103和电动运算单元104。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Controller of ac rotary machine
    • 交流电机控制器
    • JP2012170297A
    • 2012-09-06
    • JP2011031185
    • 2011-02-16
    • Fuji Electric Co Ltd富士電機株式会社
    • ITOIGAWA NOBUO
    • H02P5/74
    • H04B3/52H02P5/74
    • PROBLEM TO BE SOLVED: To provide a controller of an AC rotary machine, which shares information between a plurality of power converters and other additional apparatuses and reinforces a driving linkage of the AC rotary machine so as to facilitate optimization of a whole power conversion system and to provide an operation method of the controller.SOLUTION: The power conversion system is dispersively constituted of a high-order controller 10 constituting a master station; a plurality of power converters 11 to 13; and attached information devices (various sensors such as a temperature sensor 14 and a pressure sensor 15). The high-order controller 10 is connected to the power converters 11 and 12 by a first communication line 22. The power converters 11 and 12 load two or more communication functions and are connected to the remaining power converter 13, the temperature sensor 14 and the pressure sensor 15 by a second communication line 23.
    • 要解决的问题:提供一种交流旋转机械的控制器,其在多个功率转换器和其他附加装置之间共享信息,并且加强了交流旋转机器的驱动联动,以便于整体功率的优化 转换系统并提供控制器的操作方法。 解决方案:电力变换系统由构成主站的高阶控制器10分散构成; 多个电力变换器11〜13; 和附属信息装置(各种传感器,例如温度传感器14和压力传感器15)。 高阶控制器10通过第一通信线路22连接到电力转换器11和12.电力转换器11和12加载两个或更多个通信功能,并连接到剩余电力转换器13,温度传感器14和 压力传感器15通过第二通信线23.版权所有:(C)2012,JPO&INPIT
    • 8. 发明专利
    • Motor control apparatus
    • 电动机控制装置
    • JP2011147267A
    • 2011-07-28
    • JP2010005802
    • 2010-01-14
    • Fuji Electric Co Ltd富士電機株式会社
    • NOMURA HISAFUMIITOIGAWA NOBUO
    • H02P29/00
    • PROBLEM TO BE SOLVED: To provide a motor control apparatus capable of accurately estimating a mechanical constant even in driving a load of which load torque changes depending on speed by a motor. SOLUTION: In the motor control apparatus, a mechanical system model for simulating a mechanical system including the load driven by the motor is expressed by a numerical expression 1 in the text. The motor control apparatus includes an estimator for estimating a moment of inertia J m , a speed coefficient D mk (k=1, 2, ..., P, where P is a positive integer), and a load torque τ L0 independent of speed of the mechanical system model by an iterative least square approximation method using a value equivalent to torque of the mechanical system, a value equivalent to acceleration, and a value equivalent to speed. Also, the motor control apparatus includes a calculator for allowing the value equivalent to torque to pass through a low-pass filter for calculating a second value equivalent to torque, and an estimator for estimating the mechanical constants J m , D mk , and τ L0 by the iterative least square approximation method using the second value equivalent to torque, the value equivalent to acceleration, and the value equivalent to speed. A time constant of the low-pass filter is set to a value equivalent to a delay of a speed detection value which serve as the value equivalent to speed. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种电动机控制装置,即使在驱动负载转矩根据电动机的速度而变化的负载时,也能够精确地估计机械常数。 解决方案:在电动机控制装置中,用于模拟包括由电动机驱动的负载的机械系统的机械系统模型由文本中的数字表达式1表示。 马达控制装置包括用于估计转动惯量J m 的估计器,速度系数D mk(k = 1,2,...,P,其中P 是一个正整数)和一个与机械系统模型的速度无关的负载转矩τ L0 ,使用相当于机械系统转矩的值的迭代最小二乘逼近法,相当于加速度 ,和一个相当于速度的值。 此外,电动机控制装置包括:计算器,用于允许等效于转矩的值通过用于计算等效于转矩的第二值的低通滤波器,以及用于估计机械常数J m 的估计器, ,D mk 和τ L0 ,使用相当于转矩的第二值,相当于加速度的值和等效于速度的值。 将低通滤波器的时间常数设定为等于速度等于速度的速度检测值的延迟的值。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Controller of permanent magnet synchronous machine
    • 永磁同步电机控制器
    • JP2003070293A
    • 2003-03-07
    • JP2001255630
    • 2001-08-27
    • Fuji Electric Co Ltd富士電機株式会社
    • OSAWA HIROSHITOYOSAKI JIRONOMURA HISAFUMIITO JUNICHIITOIGAWA NOBUO
    • H02P27/06H02P7/63
    • PROBLEM TO BE SOLVED: To realize the stabilized operation of a permanent magnet synchronous machine by limiting the load or output thereof to a specified range. SOLUTION: An effective current of a permanent magnet synchronous machine 2 is detected through a three-phase/two-phase converter 9, a coordinate converter 10 and the like, and the difference ▵ip between the detected value and an upper or lower limit value of effective current from a setter 13I is operated by an operating unit 14. Depending on the difference ▵ip , a frequency correction value ▵fi * is operated by an amplifier 15 having an integration element and a frequency command f* is corrected using the correction value. Subsequently, a voltage command V* substantially proportional to a corrected frequency command f* is operated by an f/V converter 4 and the synchronous machine 2 is subjected to drive control through a pulse width control circuit 7 and an inverter 1.
    • 要解决的问题:通过将其负载或输出限制在特定范围来实现永磁同步电机的稳定操作。 解决方案:通过三相/两相转换器9,坐标转换器10等检测永久磁铁同步电机2的有效电流,检测值与上限值或下限值之间的差值▵ip 来自设定器13I的有效电流由操作单元14操作。根据差异▵ip,频率校正值▵fi*由具有积分元件的放大器15操作,并且使用校正校正频率指令f * 值。 随后,通过f / V转换器4操作与修正后的频率指令f *成正比的电压指令V *,通过脉冲宽度控制电路7和逆变器1对同步电机2进行驱动控制。