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1. 发明专利

JP2013059197A Control system of synchronous motor 有权
标题翻译：同步电机控制系统
公开(公告)号：JP2013059197A
公开(公告)日：2013-03-28
申请号：JP2011195857
申请日：2011-09-08
申请人： Hitachi Industrial Equipment Systems Co Ltd , 株式会社日立産機システム
发明人： TAKAHATA RYOICHI , IWAJI YOSHITAKA , AOYANAGI SHIGEHISA , TOBARI KAZUAKI
IPC分类号： H02P6/18 , H02P21/00 , H02P27/04
CPC分类号： H02P6/18 , H02P6/181 , H02P6/182 , H02P6/187 , H02P21/18 , H02P23/0027
摘要： PROBLEM TO BE SOLVED: To solve such a problem that the current phase advances in a 120 degree conduction system near a speed lower than the switching speed when switching a synchronous motor from the 120 degree conduction system to a 180 degree conduction system and the power factor deteriorates, and to provide a control system of a synchronous motor capable of performing seamless driving with small torque shock over a wide speed range from the stop state to the middle and high speed range.SOLUTION: In the control system of starting a synchronous motor by a 120 degree conduction system and then driving the synchronous motor by switching to a 180 degree conduction system, power factor improvement means for improving the power factor during 120 degree conduction is provided when switching from the 120 degree conduction system to the 180 degree conduction system, and the synchronous motor is driven by switching from the 120 degree conduction system of improved power factor to the 180 degree conduction system.
摘要翻译：要解决的问题为了解决当将同步电动机从120度传导系统切换到180度传导系统时，电流相位接近低于切换速度的速度的120度传导系统的问题，以及功率因数劣化，并提供能够在从停止状态到中高速范围的宽速度范围内以小扭矩冲击执行无缝驱动的同步电动机的控制系统。
解决方案：在通过120度导通系统启动同步电机的控制系统中，然后通过切换到180度导通系统来驱动同步电机，提供功率因数改善装置，用于提高120度导通期间的功率因数当从120度传导系统切换到180度传导系统时，同步电机由改进的功率因数的120度传导系统切换到180度传导系统。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2009142116A Position sensorless controller of permanent magnetic motor 有权
标题翻译：永磁电机的位置传感器控制器
公开(公告)号：JP2009142116A
公开(公告)日：2009-06-25
申请号：JP2007317827
申请日：2007-12-10
申请人： Hitachi Car Eng Co Ltd , Hitachi Industrial Equipment Systems Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立産機システム , 株式会社日立製作所
发明人： TOBARI KAZUAKI , AOYANAGI SHIGEHISA
IPC分类号： H02P6/18 , H02P21/00 , H02P27/04 , H02P27/06
CPC分类号： H02P6/18 , H02P21/18
摘要： PROBLEM TO BE SOLVED: To achieve stable operation without stepping out even in a low-speed rotation region even when a setting error (R-R * ) occurs between a resistance value R obtained by adding a winding resistance value of a motor and a wiring resistance value between an inverter (power converter) and the motor, and R * set in a control system (vector operation, axis error estimation). SOLUTION: In the estimation operation of an axial error, without using the setting value of a resistor, a d-axis voltage command value is added to a multiplication value of three signal values such as a q-axis current detection value or current command value, an inductance value and a speed estimation value, and the resulting value is divided by a multiplication value of a speed demand value ω r * and an induced voltage constant Ke * , or an arctangent operation is performed on that value. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在即使在低速旋转区域中即使在设置误差（RR * ）发生设定误差（RR * ）之间也发生稳定运行时，电动机的电阻值和逆变器（功率转换器）与电动机之间的配线电阻值以及控制系统中设定的R * （矢量运算，轴误差估计）。解决方案：在轴向误差的估计操作中，在不使用电阻器的设定值的情况下，将d轴电压指令值与三个信号值的相乘值相加，例如q轴电流检测值或电流指令值，电感值和速度估计值，并且将所得到的值除以速度要求值ω * 的乘积值和感应电压常数 Ke * ，或对该值执行反正切操作。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2008131770A Power converting device 有权
标题翻译：电源转换器件
公开(公告)号：JP2008131770A
公开(公告)日：2008-06-05
申请号：JP2006315120
申请日：2006-11-22
申请人： Hitachi Appliances Inc , Hitachi Car Eng Co Ltd , Hitachi Industrial Equipment Systems Co Ltd , Hitachi Ltd , 日立アプライアンス株式会社 , 株式会社日立カーエンジニアリング , 株式会社日立産機システム , 株式会社日立製作所
发明人： AOYANAGI SHIGEHISA , IWAJI YOSHITAKA , SAKAMOTO KIYOSHI , TOBARI KAZUAKI
IPC分类号： H02M7/00
CPC分类号： H02M7/53871 , H02M7/5395 , H02M2001/0009
摘要： PROBLEM TO BE SOLVED: To suppress a harmonic component while DC busbar current is highly precisely detected. SOLUTION: A power converting device is provided with a PWM control part 9 comparing three-phase AC signals Vum * , Vvm * and Vwm * with a triangular wave carrier signal and generating a pulse width modulation wave, a power converter main circuit part 3 driving a switching element by a pulse width modulation wave and converting a DC voltage into a three-phase AC voltage and DC detecting parts 5 and 6 detecting the DC busbar current and reproducing a phase current on a DC input side of the power converter main circuit part. The device is also provided with a voltage command change part 8 adding a correction signal causing an average value of correction quantity at a voltage command change period to be zero or almost zero to the three-phase AC signal by setting an odd number of three or more unit periods when the triangular wave carrier signal monotonously increases or monotonously decreases as a voltage command change period. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：在高精度检测直流母线电流的同时抑制谐波分量。解决方案：电力转换装置设有PWM控制部分9，比较三相AC信号Vum * ，Vvm * 和Vwm * < SP>具有三角波载波信号并产生脉宽调制波，功率转换器主电路部分3通过脉宽调制波驱动开关元件并将DC电压转换为三相AC电压和DC检测部分5 以及6检测直流母线电流并再现电力转换器主电路部分的直流输入侧的相电流。该装置还设置有电压指令改变部分8，其加上校正信号，该校正信号使电压指令改变周期的校正量的平均值为零或几乎为零，通过设置三位或三位当三角波载波信号随着电压指令变化周期单调增加或单调减小时的更多单位周期。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2011091976A Motor controller and motor control system 有权
标题翻译：电机控制器和电机控制系统
公开(公告)号：JP2011091976A
公开(公告)日：2011-05-06
申请号：JP2009245449
申请日：2009-10-26
申请人： Hitachi Industrial Equipment Systems Co Ltd , 株式会社日立産機システム
发明人： TOBARI KAZUAKI , AOYANAGI SHIGEHISA , SAKAMOTO KIYOSHI
IPC分类号： H02P21/00 , H02P6/18 , H02P27/04
摘要： PROBLEM TO BE SOLVED: To carry out stable control even when the rotation frequency of a permanent magnet motor is in a low-speed range and a high-load torque is applied.
SOLUTION: The motor control system 100 includes the permanent magnet motor 1, a power converter 2, and a vector controller 200 which vector controls the permanent magnet motor 1 via the power converter 2 with a frequency instruction value ωr
* set a target value. The vector controller 200 has an axial error estimating unit 5 which estimates an axial error that is a deviation between a rotation phase estimate θdc determined by integrating a frequency estimate ω^ and a rotation phase value for the permanent magnetic motor 1, a frequency estimating unit 6 which proportionally integrates a difference between an axial error estimate Δθc and an axial error instruction value Δθc
* to estimate an output frequency, and a gain calculating unit 7 which sets upper limits to control gains Kp and Ki for the proportional integration when the estimated output frequency is equal to or less than a given value. The vector controller 200 carries out control to match the axial error estimate to the axial error instruction value.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使当永磁电动机的旋转频率处于低速范围并且施加高负载转矩时，也执行稳定的控制。电动机控制系统100包括永磁电动机1，功率转换器2和矢量控制器200，其矢量通过功率转换器2以频率指令值ωr *控制永磁电动机1，设置目标值。矢量控制器200具有轴向误差推定部5，该轴向误差推定部5估计作为永磁电动机1的频率估计ω^与旋转相位值的积分所确定的旋转相位估计θdc之间的偏差的轴向误差，频率推定部 6，其将轴向误差估计Δθc和轴向误差指令值Δθc * 之间的差分成比例地积分以估计输出频率;以及增益计算单元7，其将控制增益Kp和Ki的上限设置为当估计输出频率等于或小于给定值时的比例积分。矢量控制器200执行将轴向误差估计与轴向误差指令值相匹配的控制。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2008167568A Beatless control device of permanent magnet motor 有权
标题翻译：永磁电机的无人值守控制装置
公开(公告)号：JP2008167568A
公开(公告)日：2008-07-17
申请号：JP2006353655
申请日：2006-12-28
申请人： Hitachi Industrial Equipment Systems Co Ltd , 株式会社日立産機システム
发明人： TOBARI KAZUAKI , IWAJI YOSHITAKA , SAKAMOTO KIYOSHI , UEMATSU HAJIME , HASE MASAKAZU
IPC分类号： H02P6/10
CPC分类号： H02P21/22
摘要： PROBLEM TO BE SOLVED: To reduce a torque ripple and the noise of a motor by suppressing a current beat of a low frequency which is generated by "the pulsation of a DC voltage" caused by the operation of diode rectification, in a drive system of an inverter which converts a single-phase AC voltage or a three-phase AC voltage to the DC voltage by using a diode rectifying circuit, and drives a permanent magnet motor. SOLUTION: A "pulsation frequency of the DC voltage" is estimated from a "set value of the pulsation frequency" calculated using a power supply frequency of the AC voltage, and a current detection value of the inverter, and an output voltage of the inverter is corrected by using the obtained "estimation value of the pulsation frequency" and the current detection value. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了通过抑制由二极管整流操作引起的“直流电压的脉动”产生的低频电流脉搏来减小电动机的转矩脉动和噪声，驱动系统，其通过使用二极管整流电路将单相交流电压或三相交流电压转换为直流电压，并驱动永磁电动机。解决方案：根据使用AC电压的电源频率和逆变器的电流检测值计算出的“脉动频率的设定值”以及输出电压来估计“直流电压的脉动频率” 通过使用获得的“脉动频率的估计值”和电流检测值来校正逆变器。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2004208438A Motor control device 有权
标题翻译：电机控制装置
公开(公告)号：JP2004208438A
公开(公告)日：2004-07-22
申请号：JP2002376098
申请日：2002-12-26
申请人： Hitachi Industrial Equipment Systems Co Ltd , Hitachi Ltd , 株式会社日立産機システム , 株式会社日立製作所
发明人： NOTOHARA YASUO , ENDO TSUNEHIRO , TOBARI KAZUAKI , SANO MASAHIRO
IPC分类号： H02P21/00 , H02P27/04
摘要： PROBLEM TO BE SOLVED: To conduct stable motor control by creating accurate control phases from the start to high-speed revolution. SOLUTION: A first phase error between a magnetic pole reference phase correspondent to a magnetic pole position signal from a position sensor 3 and a control phase is obtained by a first phase error operation part 5c; a second phase error between the control phase and an actual phase is obtained by a second phase error operation part 11 from a motor voltage command outputted from a vector operation part 8A, a detected motor current outputted from a current regeneration part 6 and a rotation speed outputted from a speed operation part 4; a first phase error Δθd1 or a second phase error Δθd2 is selected in accordance with the rotation speed of a motor 1; a corrective signal Δωp11 is obtained by correcting the selected phase error signal Δθd; a signal ω1 is obtained by multiplying the corrective signal Δωp11 by the rotation speed ωr; the control phase θd is obtained by integrating the signal ω1; applied voltages Vu, Vv and Vw are generated from the motor voltage command and the control phase θd; and the speed of the motor 1 is controlled by an inverter 2 based on the applied voltages. COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：通过从开始到高速旋转创建精确的控制阶段，进行稳定的电机控制。解决方案：通过第一相位误差运算部5c获得与位置传感器3的磁极位置信号相对应的磁极基准相位与控制相位之间的第一相位误差; 通过第二相位误差运算部11根据从矢量运算部8A输出的电动机电压指令，从电流再生部6输出的检测到的电动机电流和转速来获得控制相位与实际相位之间的第二相位误差从速度操作部分4输出; 根据电动机1的转速选择第一相位误差Δθd1或第二相位误差Δθd2; 通过校正所选择的相位误差信号Δθd获得校正信号Δωp11; 通过将校正信号Δωp11乘以旋转速度ωr获得信号ω1; 通过对信号ω1进行积分而获得控制相位θd; 从电动机电压指令和控制相位θd生成施加电压Vu，Vv，Vw; 并且基于所施加的电压由电动机2控制电动机1的速度。版权所有（C）2004，JPO＆NCIPI

7. 发明专利

JP2014168335A Inverter device, construction machine, and motor control method 有权
标题翻译：逆变器装置，建筑机械和电机控制方法
公开(公告)号：JP2014168335A
公开(公告)日：2014-09-11
申请号：JP2013039133
申请日：2013-02-28
申请人： Hitachi Industrial Equipment Systems Co Ltd , 株式会社日立産機システム
发明人： TOBARI KAZUAKI , KURAHASHI MITSURU
IPC分类号： H02P21/00 , H02P27/04
CPC分类号： H02P21/0003 , B60L15/025 , B60L2210/40 , B60L2240/421 , B60L2240/526 , B60L2240/529 , H02P21/0085 , Y02T10/643 , Y02T10/7241
摘要： PROBLEM TO BE SOLVED: To provide stable motor control with high response regardless of the size of an electrical time constant or operation period of a motor.SOLUTION: A stabilization compensation calculation section 13 calculates a correction amount for reducing a gain of current control for a rotational frequency component of a permanent magnet motor 1. A correction calculation section 14 corrects a voltage command output from a voltage vector calculation section 12 on the basis of the correction amount calculated by the stabilization compensation calculation section 13. On the basis of the voltage command corrected by the correction calculation section 14, DC power is converted into AC power by a voltage coordinate conversion section 15 and a power converter 2 and the AC power is output to the permanent magnet motor 1.
摘要翻译：要解决的问题：提供具有高响应性的稳定的电动机控制，而不考虑电动机的时间常数或运行时间的大小。解决方案：稳定补偿计算部分13计算用于减小电流控制的增益的校正量永磁电动机1的旋转频率分量。校正计算部14基于由稳定补偿计算部13计算出的校正量来校正从电压矢量计算部12输出的电压指令。基于电压指令由校正计算部14校正，通过电压坐标转换部15和电力转换器2将直流电力转换为交流电力，并将交流电力输出到永磁电动机1。

8. 发明专利

JP2012228058A Electric power conversion apparatus and motor drive system 有权
标题翻译：电力转换装置和电动机驱动系统
公开(公告)号：JP2012228058A
公开(公告)日：2012-11-15
申请号：JP2011093173
申请日：2011-04-19
申请人： Hitachi Industrial Equipment Systems Co Ltd , 株式会社日立産機システム
发明人： ARAKAWA YOICHIRO , TOBARI KAZUAKI , KANEKO DAIGO , IWAJI YOSHITAKA , KONUMA YUSAKU
IPC分类号： H02P27/06 , H02P6/18
CPC分类号： H02P21/04 , H02P6/183 , H02P21/18 , H02P2203/11
摘要： PROBLEM TO BE SOLVED: To detect, in a motor control method for controlling a motor without using a sensor to detect the rotating state of the rotor, the rotating state of the rotor with high accuracy and also restrict occurrence of noise while keeping the motor operational even when it is operated with high torque.SOLUTION: In an electric power conversion apparatus 50a, voltage output means 3 superposes a high frequency alternating voltage on basic voltage command values Vdcand Vqcfrom a vector calculation means 4 and outputs three-phase AC voltage command values Vu, Vvand Vwto electric power conversion means 11. Current component separation means 5 extracts a high frequency current component corresponding to the alternating voltage from three-phase current signals Iuc, Ivc and Iwc and calculates a high frequency current norm Ih expressing the magnitude of the extracted high frequency current component. Superposed voltage amplitude adjustment means 9 outputs a superposed voltage amplitude command value Vhfor adjusting the amplitude of the alternating voltage to the voltage output means 3 on the basis of the high frequency current norm Ih from the current component separation means 5.
摘要翻译：要解决的问题：为了检测在不使用传感器来控制电动机的电机控制方法中，以高精度检测转子的旋转状态，转子的旋转状态，并且还可以在保持时保持噪声的发生即使以高扭矩运转，电动机也能运转。解决方案：在电力转换装置50a中，电压输出装置3将基本电压指令值Vdc * 和Vqc * ，并输出三相交流电压指令值Vu * ，Vv * 并且Vw * 到电力转换装置11.电流分量分离装置5从三相电流信号Iuc，Ivc和Iwc中提取与交流电压相对应的高频电流分量并计算表示所提取的高频电流分量的大小的高频电流量程Ih。叠加的电压幅度调整装置9输出叠加的电压振幅指令值Vh * ，用于基于高频电流标准将电压输出装置3的交变电压的幅度调整从目前的组件分离手段5开始。（C）2013，JPO＆INPIT

9. 发明专利

JP2010142031A Speed controller of magnet motor 有权
标题翻译：磁铁电机速度控制器
公开(公告)号：JP2010142031A
公开(公告)日：2010-06-24
申请号：JP2008316348
申请日：2008-12-12
申请人： Hitachi Appliances Inc , Hitachi Industrial Equipment Systems Co Ltd , 日立アプライアンス株式会社 , 株式会社日立産機システム
发明人： TOBARI KAZUAKI , NOTOHARA YASUO , HATSUSE WATARU , RI TOSHO , OI KENTARO , FUNAYAMA YUJI
IPC分类号： H02P6/12 , H02P6/16 , H02P6/18
CPC分类号： H02P6/085 , H02P21/22 , H02P25/024 , H02P29/027 , H02P2207/05 , H02P2209/07
摘要： PROBLEM TO BE SOLVED: To provide a speed controller of a magnet motor realizing the control characteristics of high stability, efficiency, and response even near the limit torque of the motor, relating to a speed control method of magnet motor. SOLUTION: The input of speed control is limited not to allow the q-axis current command value to reach a limit value when a torque command value (or current command value of q-axis) larger than the torque maximum value (or q-axis current) that a motor can output is requested. COPYRIGHT: (C)2010,JPO&INPIT

10. 发明专利

JP2009153288A Power converter 有权
标题翻译：电源转换器
公开(公告)号：JP2009153288A
公开(公告)日：2009-07-09
申请号：JP2007328513
申请日：2007-12-20
申请人： Hitachi Industrial Equipment Systems Co Ltd , 株式会社日立産機システム
发明人： UEMATSU HAJIME , TOBARI KAZUAKI
IPC分类号： H02P21/00 , H02P27/04
摘要： PROBLEM TO BE SOLVED: To provide a power converter estimating the inertia value of a device and the control constant of a speed controller in a short period with a high accuracy by a test run and automatically adjusting the control constant of the speed controller. SOLUTION: The power converter includes an arithmetic means estimating a mechanical inertia value connected to a load by an acceleration/deceleration operation before an actual operation and correcting the control constant of a speed control section 21. In the power converter, the arithmetic means includes an inertia-estimate arithmetic section 24B estimating the mechanical inertia value by the acceleration/deceleration operation while computing the next acceleration/deceleration time on the basis of the estimated mechanical inertia value and a speed command preparation section 24A outputting a speed command value to the speed control section on the basis of the computed acceleration/deceleration time. In the power converter, the arithmetic means further includes a control-constant arithmetic section 24C correcting the control constant of the speed control section on the basis of the estimated mechanical inertia value. The accuracy of an estimation is improved by repeatedly estimating inertia. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种功率转换器，通过测试运行，以高精度在短时间内估计装置的惯性值和速度控制器的控制常数，并自动调节速度控制器的控制常数。解决方案：电力转换器包括算术装置，在实际操作之前通过加速/减速操作来估计连接到负载的机械惯量值，并且校正速度控制部分21的控制常数。在功率转换器中，算术装置包括惯性估计运算部分24B，其基于估计的机械惯性值计算下一个加速/减速时间，并且将速度指令值输出到基于所计算的加速/减速时间来设定速度控制部。在功率转换器中，算术装置还包括基于所估计的机械惯量值来校正速度控制部的控制常数的控制常数运算部24C。通过反复估计惯性来提高估计的准确性。版权所有（C）2009，JPO＆INPIT

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