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1. 发明专利

JP2007037352A Motor control unit, washing machine, air-conditioner, and electric oil pump 有权
标题翻译：电机控制单元，洗衣机，空调机和电动油泵
公开(公告)号：JP2007037352A
公开(公告)日：2007-02-08
申请号：JP2005219867
申请日：2005-07-29
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： SUZUKI HISANORI , ENDO TSUNEHIRO , TOBARI KAZUAKI , KANEKO DAIGO , MAEDA DAISUKE , YAMAZAKI AKIRA
IPC分类号： H02P6/18 , H02P6/10
CPC分类号： H02P6/20 , H02P21/22
摘要： PROBLEM TO BE SOLVED: To attain uniform accelerating properties without relying on load torque by suppressing a large speed change which occurs at switching from a synchronous operation mode to a position feedback operation mode.
SOLUTION: The torque estimation of a permanent magnet motor is executed during the synchronous operation mode for driving the permanent magnet motor, and the initial value of the current command value in a position sensorless operation mode is set on the basis of the torque estimation value to constitute the motor control unit.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过抑制从同步运行模式切换到位置反馈运转模式时发生的大速度变化，不依赖于负载转矩来获得均匀的加速性能。
解决方案：在用于驱动永磁电动机的同步操作模式期间执行永磁电动机的转矩估计，并且基于转矩设定无位置无传感器操作模式中的电流指令值的初始值估计值构成电机控制单元。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2011019399A Motor control apparatus 有权
标题翻译：电动机控制装置
公开(公告)号：JP2011019399A
公开(公告)日：2011-01-27
申请号：JP2010238113
申请日：2010-10-25
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： SUZUKI HISANORI , ENDO TSUNEHIRO , TOBARI KAZUAKI , KANEKO DAIGO , MAEDA DAISUKE , YAMAZAKI AKIRA
IPC分类号： H02P6/18
摘要： PROBLEM TO BE SOLVED: To suppress large changes in speed which is generated when a synchronous operation mode is switched to a location feedback operation mode, and to attain uniform acceleration characteristics, regardless of the load torque.SOLUTION: A motor controller is configured by estimating a torque of a permanent magnet motor during the synchronous operation mode for driving the permanent magnet motor and by setting the initial value of a current command value in an operation mode as a location sensorless mode based on information on an estimated value of the torque.
摘要翻译：要解决的问题：为了抑制当将同步操作模式切换到位置反馈操作模式时产生的速度的大的变化，并且获得均匀的加速特性，而不管负载扭矩如何。解决方案：电机控制器通过估计在用于驱动永磁电动机的同步操作模式期间的永磁电动机的转矩，并且通过基于关于转矩的估计值的信息将操作模式中的电流指令值的初始值设置为位置无传感器模式。

3. 发明专利

JP2010011636A Disconnection detecting method and power conversion apparatus 有权
标题翻译：断路检测方法和功率转换装置
公开(公告)号：JP2010011636A
公开(公告)日：2010-01-14
申请号：JP2008168039
申请日：2008-06-27
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： SUZUKI HISANORI , NOTOHARA YASUO , SAKAMOTO KIYOSHI
IPC分类号： H02M7/48 , H02P6/12 , H02P21/00 , H02P27/04
CPC分类号： H02M7/53873 , H02M1/32 , H02M7/5395 , H02M2001/0009
摘要： PROBLEM TO BE SOLVED: To provide a power conversion apparatus which reliably detects disconnection during driving irrespective of the magnitude and operation state of a current command value.
SOLUTION: The apparatus is provided with a power conversion circuit composed of switching elements converting DC power into AC power, a load connected to an output side of the power conversion circuit, a means detecting a DC current flowing in a DC side of the power conversion circuit, a voltage command value generating means controlling an operation of the switching element of the power conversion circuit, and a disconnection detection means. The disconnection detection means determines disconnection of the load or a failure of the switching element of the power conversion circuit by using a DC current detection value in a period when current of a maximum-phase voltage or a minimum-phase voltage in the power conversion circuit flows to DC current.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在行驶期间可靠地检测断开的电力转换装置，而与当前指令值的大小和操作状态无关。解决方案：该装置设置有电力转换电路，该电力转换电路由将DC电力转换为AC电力的开关元件，连接到电力转换电路的输出侧的负载，检测在DC侧流动的DC电流的装置功率转换电路，控制电力转换电路的开关元件的动作的电压指令值生成单元以及断线检测单元。断线检测装置通过在电力转换电路中的最大相电压或最小相电压的电流的周期内使用直流电流检测值来确定电力转换电路的开关元件的负载的断开或故障，流向直流电流。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2009207282A Power supply circuit, and motor drive unit and air conditioner using the same 有权
标题翻译：电源电路，电机驱动单元和使用该电源的空调器
公开(公告)号：JP2009207282A
公开(公告)日：2009-09-10
申请号：JP2008047029
申请日：2008-02-28
申请人： Hitachi Appliances Inc , Hitachi Ltd , 日立アプライアンス株式会社 , 株式会社日立製作所
发明人： NOTOHARA YASUO , ENDO TSUNEHIRO , SUZUKI HISANORI , OKUYAMA ATSUSHI , TAMURA KENJI
IPC分类号： H02M7/12 , H02M1/14 , H02M1/42 , H02M3/155 , H02M7/06 , H02M7/48 , H02P27/06
CPC分类号： H02M1/4225 , H02M2001/0048 , Y02B70/126 , Y02B70/1491
摘要： PROBLEM TO BE SOLVED: To concurrently attain reduction in switching loss due to partial switching operation and stability control of DC voltage (stability control of applicable system), in power factor or harmonic suppression circuit, using a boosting chopper circuit. SOLUTION: In the power supply circuit using booster ratio constant-control system includes load state generation means for generating load state information showing a state of a load connected with a smoothing circuit and coefficient correction means for correcting a first coefficient by using load state information; and with the power supply circuit, the booster ratio is corrected or changed according to the change in the power voltage or the load. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：同时由于部分开关操作以及在功率因数或谐波抑制电路中使用升压斩波电路的直流电压（适用系统的稳定性控制）的稳定性控制的同时降低。解决方案：在使用增压比恒定控制系统的电源电路中，包括负载状态产生装置，用于产生显示与平滑电路连接的负载状态的负载状态信息，以及系数校正装置，用于通过使用负载来校正第一系数国家信息; 并且利用电源电路，根据电源电压或负载的变化来校正或改变增压比。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2010124690A Power supply circuit and control circuit therefor 有权
标题翻译：电源电路及其控制电路
公开(公告)号：JP2010124690A
公开(公告)日：2010-06-03
申请号：JP2010048565
申请日：2010-03-05
申请人： Hitachi Appliances Inc , Hitachi Ltd , 日立アプライアンス株式会社 , 株式会社日立製作所
发明人： NOTOHARA YASUO , ENDO TSUNEHIRO , SUZUKI HISANORI , OKUYAMA ATSUSHI , TAMURA KENJI
IPC分类号： H02M7/12 , H02M1/14 , H02M1/42 , H02M3/155 , H02M7/06 , H02M7/48 , H02P27/06
CPC分类号： Y02B70/126
摘要： PROBLEM TO BE SOLVED: To concurrently attain reduction in switching loss in a partial switching operation and stable control of DC voltage (stable control of applicable system) in improving a power factor using a step-up chopper circuit or a harmonic suppression circuit. SOLUTION: The power supply circuit, using a step-up ratio constant control system, includes a load state generation means of generating load state information showing the state of a load connected to a smoothing circuit and a coefficient compensation means of compensating for a first coefficient using the load state information. With such a configuration, the power supply circuit compensates for or change a step-up ratio with a change in power supply voltage or load. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了在使用升压斩波电路或谐波抑制电路提高功率因数的同时，在部分开关操作中同时实现开关损耗的降低和DC电压的稳定控制（适用系统的稳定控制）。解决方案：使用升压比恒定控制系统的电源电路包括：负载状态产生装置，用于产生显示连接到平滑电路的负载状态的负载状态信息;以及系数补偿装置，使用负载状态信息的第一系数。通过这样的配置，电源电路随着电源电压或负载的变化来补偿或改变升压比。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2007189766A Motor drive controller and motor drive system 有权
标题翻译：电机驱动控制器和电机驱动系统
公开(公告)号：JP2007189766A
公开(公告)日：2007-07-26
申请号：JP2006003570
申请日：2006-01-11
申请人： Hitachi Industrial Equipment Systems Co Ltd , 株式会社日立産機システム
发明人： KANEKO DAIGO , SUZUKI HISANORI , ENDO TSUNEHIRO , TOBARI KAZUAKI , UEMATSU HAJIME
IPC分类号： H02P21/00 , H02P27/04
CPC分类号： H02P21/22
摘要： PROBLEM TO BE SOLVED: To make it possible to efficiently control a motor from its low speed stage. SOLUTION: A motor controller, which is equipped with a current detecting means 4 which detects a motor current flowing to a motor 3 connected to outside, and a control means 1 which outputs a control signal for controlling the motor 3, based on the current detected value that the current detection means 4 detected and the speed command to direct the rotational speed of the motor 3, is equipped with a load estimating means which estimates the mechanical load state of the motor 3, using the detected value of the motor current and the speed command, and the control means 1 controls the motor current, based on the detected value, the speed command, and the load estimated state. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：使得可以从其低速级有效地控制电动机。解决方案：一种电动机控制器，其配备有电流检测装置4，其检测流向连接到外部的电动机3的电动机电流;以及控制装置1，其基于以下步骤输出用于控制电动机3的控制信号：电流检测装置4检测到的电流检测值和用于指示电动机3的转速的速度指令装备有使用电动机的检测值来估计电动机3的机械负载状态的负荷估计装置电流和速度指令，并且控制装置1基于检测值，速度指令和负载估计状态来控制电动机电流。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2014079041A Motor controller, and refrigerator and electrical machine using the same 有权
标题翻译：电机控制器，以及使用其的制冷机和电机
公开(公告)号：JP2014079041A
公开(公告)日：2014-05-01
申请号：JP2012223864
申请日：2012-10-09
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SUZUKI HISANORI , SHIMIZU YUICHI , ISHIWATARI HIROTO , IWAJI YOSHITAKA , TAKAHATA RYOICHI
IPC分类号： H02P6/10 , H02P6/18 , H02P21/00 , H02P27/04
摘要： PROBLEM TO BE SOLVED: To provide a motor controller, and a refrigerator and an electrical machine using the same, capable of suppressing the generation of electric current surge and speed fluctuation for smoothly switching over the energization mode.SOLUTION: An electric voltage applied to a motor is arranged to change continuously before and after switching between a 180° energization mode and a 120°energization mode. Because the electric voltage applied to the motor is not rapidly changed but is continuously changed before and after switching the energization mode for an electric power inverter circuit, electric current surge and rapid speed fluctuation can be suppressed.
摘要翻译：要解决的问题：提供一种电动机控制器，以及使用该电动机控制器的电冰箱和电机，能够抑制电流浪涌的产生和速度波动，从而平滑地切换通电模式。解决方案：施加到电动机被布置成在180°通电模式和120°通电模式之间切换之前和之后连续地改变。由于施加到电动机的电压不会急剧变化，而是在切换电力逆变器电路的通电模式之前和之后不断变化，所以可以抑制电流浪涌和快速变化。

8. 发明专利

JP2014079033A Motor control device and refrigeration machine using the same 有权
标题翻译：电机控制装置和制冷机使用相同
公开(公告)号：JP2014079033A
公开(公告)日：2014-05-01
申请号：JP2012223790
申请日：2012-10-09
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SUZUKI HISANORI , SHIMIZU YUICHI
IPC分类号： H02P6/10 , H02P6/18 , H02P21/00 , H02P27/04
摘要： PROBLEM TO BE SOLVED: To switch energization methods at a timing which is hardly affected by a load torque when switching energization methods.SOLUTION: The motor control device has: a power conversion circuit which converts DC power into AC power; a controller which outputs a drive signal which drives the power conversion circuit; an electric motor driven by the power conversion circuit; and a load connected to the electric motor. The motor control device switches energization methods of the power conversion circuit between a 120-degree energization method and a 180-degree energization method, detects electric current on the DC side or AC side of the power conversion circuit, and switches the energization methods during a period from the time when the electric current exceeds a predetermined peak value to the time when the electric current rises again.
摘要翻译：要解决的问题：在切换通电方式时，在几乎不受负载转矩影响的时刻切换通电方式。电动机控制装置具有：将直流电转换为交流电力的电力转换电路; 输出驱动电力转换电路的驱动信号的控制器; 由电力转换电路驱动的电动马达; 以及连接到电动机的负载。电动机控制装置在120度通电方式和180度通电方式之间切换电力转换电路的通电方式，检测电力转换电路的直流侧或交流侧的电流，并切换通电方式从电流超过预定峰值的时间到电流再次上升的时间。

9. 发明专利

JP2013046424A Motor control device 有权
标题翻译：电机控制装置
公开(公告)号：JP2013046424A
公开(公告)日：2013-03-04
申请号：JP2011180109
申请日：2011-08-22
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SUZUKI HISANORI , SHIMIZU YUICHI
IPC分类号： H02P6/10 , H02P6/18 , H02P27/06
CPC分类号： H02P6/181 , H02P21/20 , H02P21/24
摘要： PROBLEM TO BE SOLVED: To provide a motor control device which drives a motor in a stable manner regardless of its stop position and even in the case of load characteristics being changed, and a driving device using the motor control device.SOLUTION: The motor control device has a synchronous operation mode which does not use information on rotation angle positioning and a location sensorless operation mode which is driven by using information on rotation angle positioning and switches between the operation modes during driving. The motor control device has means to estimate a cycle torque component changing by one cycle of a mechanical angle or an integral multiple thereof and switches between the operation modes during the period that a slope of the cycle torque is close to zero or negative.
摘要翻译：要解决的问题：提供一种电动机控制装置，并且即使在负载特性改变的情况下，也可以稳定地驱动电动机，以及使用电动机控制装置的驱动装置。解决方案：电机控制装置具有不使用关于旋转角定位的信息的同步操作模式和通过使用关于旋转角度定位的信息和在驾驶期间的操作模式之间切换来驱动的位置无传感器操作模式。马达控制装置具有估计循环扭矩分量变化为机械角度或其整数倍的一个周期的装置，并且在循环转矩的斜率接近零或负的时段期间切换操作模式。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2012065373A Motor controller, compressor drive device using the same, and refrigerator using the same 有权
标题翻译：电机控制器，使用该电动机的压缩机驱动装置和使用其的制冷器
公开(公告)号：JP2012065373A
公开(公告)日：2012-03-29
申请号：JP2010205043
申请日：2010-09-14
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SHIMIZU YUICHI , SUZUKI HISANORI
IPC分类号： H02P6/06 , F25B1/00
摘要： PROBLEM TO BE SOLVED: To provide a control configuration which has constant stability against change in required torque by suppressing speed fluctuation that occurs when the required torque abruptly and significantly changes during a position feedback operation mode.SOLUTION: A motor controller includes calculation means which calculates quantity of electricity related to the torque of a motor, a current controller in which a current command value is input, a voltage command value generator in which an output of the current controller is input, and a power conversion circuit which applies a voltage to a permanent magnet motor according to the output of the voltage command value generator. The quantity of electricity related to at least one of the calculation means and the current controller is set based on the value proportional to the torque after change, in accordance with a trigger which is timing at which the torque of the motor changes or becomes stable during the position feedback operation mode.
摘要翻译：要解决的问题：提供一种控制结构，其通过抑制在位置反馈操作模式期间所需扭矩突然且显着变化时发生的速度波动，从而对所需扭矩的变化具有恒定的稳定性。电动机控制器包括计算装置，其计算与电动机的转矩相关的电量，输入电流指令值的电流控制器，电流指令值发生器，其中电流控制器的输出为输入端以及根据电压指令值发生器的输出向永磁电动机施加电压的电力变换电路。与计算装置和电流控制器中的至少一个相关的电量根据作为电动机的转矩变化或变得稳定的定时的触发，基于与变更后的转矩成正比的值来设定位置反馈操作模式。版权所有（C）2012，JPO＆INPIT

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