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1. 发明申请

US20080238200A1 Power Converter and Control Method For a Power Converter 有权
标题翻译：电源转换器和电源转换器的控制方法
公开(公告)号：US20080238200A1
公开(公告)日：2008-10-02
申请号：US10573768
申请日：2005-10-20
申请人： Kantaro Yoshimoto , Yasuhiko Kitajima
发明人： Kantaro Yoshimoto , Yasuhiko Kitajima
IPC分类号： H02J1/00
CPC分类号： H02M7/53875 , H02M7/487 , H02M7/5388 , Y10T307/50
摘要： A control method for a power converter capable of reducing overall volume of a system and energy loss by using a plurality of power sources and distributing loads to them without a DCDC converter and a combination of a fuel cell and a battery. The power converter has DC power sources, and poles formed by connecting various poles of the DC sources. Voltage is applied to a load by switching between poles. The method includes determining conductivity for a switch between poles of said first DC power source when a voltage command is lower than the electric potential output by said second DC power source; determining conductivity for a switch between the poles of said second DC source when the voltage command is higher than the electric potential output by said second DC source; and switching the pole to be connected to said load in accordance with the determinations.
摘要翻译：一种电力转换器的控制方法，其能够通过使用多个电源来减少系统的总体积和能量损失，并且在没有DCDC转换器和燃料电池和电池的组合的情况下向其分配负载。电源转换器具有直流电源和通过连接直流电源的各极点形成的极点。通过在极间切换将电压施加到负载上。该方法包括当电压指令低于由所述第二直流电源输出的电位时，确定所述第一直流电源的极之间的开关的导电性; 当所述电压指令高于由所述第二DC源输出的电位时，确定所述第二DC源极之间的开关的导电性; 以及根据确定来切换要连接到所述负载的极点。

2. 发明申请

US20060091833A1 Motor drive system and process 有权
标题翻译：电机驱动系统及过程
公开(公告)号：US20060091833A1
公开(公告)日：2006-05-04
申请号：US11258203
申请日：2005-10-26
申请人： Yasuhiko Kitajima , Kantaro Yoshimoto
发明人： Yasuhiko Kitajima , Kantaro Yoshimoto
IPC分类号： H02P1/54
CPC分类号： H02M7/5388 , H02P27/14 , Y10T307/516 , Y10T307/527
摘要： A motor drive system includes a multi-output dc power source providing three or more output potentials, and a switching circuit including switching devices connected, respectively, with the output potentials of the multi-output power source. A controller determines a command apply voltage representing a desired voltage to be applied to the motor, and further determines a plurality of command share voltages corresponding to supply voltages of the multi-output dc power source, from the command apply voltage. The controller produces a pulsed voltage by driving the switching devices in accordance with the command share voltages.
摘要翻译：电动机驱动系统包括提供三个或更多个输出电位的多输出直流电源，以及包括分别与多输出电源的输出电位连接的开关装置的开关电路。控制器确定表示要施加到电动机的期望电压的指令施加电压，并且根据指令施加电压进一步确定与多输出直流电源的电源电压相对应的多个命令共享电压。控制器通过根据命令共享电压驱动开关装置产生脉冲电压。

3. 发明授权

US06674262B2 Motor control apparatus and motor control method 有权
标题翻译：电机控制装置及电机控制方式
公开(公告)号：US06674262B2
公开(公告)日：2004-01-06
申请号：US09986086
申请日：2001-11-07
申请人： Yasuhiko Kitajima , Masahiro Tsukamoto , Kouichirou Yonekura , Kantaro Yoshimoto
发明人： Yasuhiko Kitajima , Masahiro Tsukamoto , Kouichirou Yonekura , Kantaro Yoshimoto
IPC分类号： H02P610
CPC分类号： H02P6/10 , H02P21/02 , H02P21/06
摘要： A motor control apparatus comprises a fundamental current command value determining device that determines a fundamental current command value for a motor current based upon at least a torque command value for an AC motor, a higher harmonics current command value determining device that determines a higher harmonics current command value for the motor current and a current control device that controls the current flowing to the AC motor based upon the fundamental current command value and the higher harmonics current command value.
摘要翻译：电动机控制装置包括基本电流指令值确定装置，其基于至少一个AC电动机的转矩指令值确定用于电动机电流的基本电流指令值，确定高次谐波电流的高次谐波电流指令值确定装置基于电流指令值和高次谐波指令值，控制电动机电流的指令值和控制流向交流电动机的电流的电流控制装置。

4. 发明授权

US07710063B2 Electric power converter 有权
标题翻译：电力转换器
公开(公告)号：US07710063B2
公开(公告)日：2010-05-04
申请号：US11724566
申请日：2007-03-15
申请人： Kantaro Yoshimoto , Yasuhiko Kitajima , Kengo Maikawa
发明人： Kantaro Yoshimoto , Yasuhiko Kitajima , Kengo Maikawa
IPC分类号： H02P27/04
CPC分类号： H02M7/5388 , B60L7/06 , B60L7/24 , B60L11/1868 , B60L11/1887 , B60L15/007 , B60L2210/30 , B60L2210/40 , B60L2240/421 , B60L2240/423 , B60L2240/526 , B60L2240/527 , B60L2240/529 , H02M7/483 , H02P21/00 , Y02T10/643 , Y02T10/644 , Y02T10/645 , Y02T10/7066 , Y02T10/7241 , Y02T90/34
摘要： An electric power converter, electric power conversion system and method that, without using a DC-DC converter, uses and allots the electric power of plural power sources while reducing the volume and losses. At least one phase of the motor is connected to plural power sources and generates and synthesizes pulses from output voltages of plural power sources so as to drive the multi-phase AC motor. A different phase of the motor is connected to one DC power source and generates pulses from the output voltage of the power source so as to generate a driving voltage for the multi-phase AC motor. This arrangement allows use/allotment of the power of plural power sources with a reduced number of semiconductor components.
摘要翻译：一种电力转换器，电力转换系统和方法，在不使用DC-DC转换器的情况下，使用和分配多个电源的电力，同时减小体积和损耗。电动机的至少一相连接到多个电源，并从多个电源的输出电压产生并合成脉冲，以驱动多相交流电动机。电动机的不同相位连接到一个直流电源，并从电源的输出电压产生脉冲，以产生用于多相交流电动机的驱动电压。这种布置允许使用/分配具有减少数量的半导体部件的多个电源的功率。

5. 发明授权

US07656689B2 Power converter and control method for a power converter using serially-connected DC power sources 有权
标题翻译：一种使用串联直流电源的电源转换器的电源转换器和控制方法
公开(公告)号：US07656689B2
公开(公告)日：2010-02-02
申请号：US10573768
申请日：2005-10-20
申请人： Kantaro Yoshimoto , Yasuhiko KitaJima
发明人： Kantaro Yoshimoto , Yasuhiko KitaJima
IPC分类号： H02M7/5387
CPC分类号： H02M7/53875 , H02M7/487 , H02M7/5388 , Y10T307/50
摘要： A control method for a power converter capable of reducing overall volume of a system and energy loss by using a plurality of power sources and distributing loads to them without a DCDC converter. The power converter has DC power sources and poles formed by connecting various poles of the DC sources. Voltage is applied to a load by switching between poles. The method includes operating a switch between poles of the first DC power source when a voltage command is lower than the electric potential of the second DC power source; and operating a switch between the poles of the second DC source when the voltage command is higher than the electric potential of the second DC source.
摘要翻译：一种电力转换器的控制方法，其能够通过使用多个电源减少系统的总体积和能量损失，并且在没有DCDC转换器的情况下向其分配负载。电源转换器具有通过连接直流电源的各极点形成的直流电源和极。通过在极间切换将电压施加到负载上。该方法包括当电压指令低于第二直流电源的电位时，操作第一直流电源的极之间的开关; 以及当所述电压指令高于所述第二DC源的电位时，操作所述第二DC源极之间的开关。

6. 发明授权

US07034493B2 Motor control apparatus and motor control method 失效
标题翻译：电机控制装置及电机控制方式
公开(公告)号：US07034493B2
公开(公告)日：2006-04-25
申请号：US10814237
申请日：2004-04-01
申请人： Kantaro Yoshimoto , Yasuhiko Kitajima
发明人： Kantaro Yoshimoto , Yasuhiko Kitajima
IPC分类号： G05B11/01 , H02J1/02 , H02J1/12
CPC分类号： H02P21/06
摘要： A motor control apparatus having a fundamental wave current control circuit that implements feedback control on a fundamental wave component of a motor current in a dq coordinate system rotating in synchronization with the rotation of the motor and a higher harmonic current control circuit that implements feedback control on a higher harmonic components of the motor current in a dhqh coordinate system rotating with a frequency which is an integral multiple of the frequency of the fundamental wave component of the motor current, eliminates the higher harmonic component of the motor current from the control deviation between a fundamental wave current command value and a motor current feedback value.
摘要翻译：一种电动机控制装置，具有基波电流控制电路，该电流控制电路对与电动机的旋转同步旋转的dq坐标系中的电动机电流的基波成分进行反馈控制，并且实现对电动机的反馈控制的高次谐波电流控制电路在以电机电流的基波分量的频率的整数倍的频率旋转的dhqh坐标系中的电动机电流的高次谐波分量消除了电动机电流的高次谐波分量与电动机电流之间的控制偏差基波电流指令值和电机电流反馈值。

7. 发明授权

US06861813B2 Motor control apparatus and motor control method 有权
标题翻译：电机控制装置及电机控制方式
公开(公告)号：US06861813B2
公开(公告)日：2005-03-01
申请号：US10286765
申请日：2002-11-04
申请人： Kantaro Yoshimoto , Yasuhiko Kitajima
发明人： Kantaro Yoshimoto , Yasuhiko Kitajima
IPC分类号： H02P6/08 , H02P21/00 , H02P27/04 , H02P6/00
CPC分类号： H02P21/22
摘要： Limits are imposed on a fundamental voltage command value calculated at a fundamental current control circuit that controls a fundamental component of a 3-phase AC motor current in a dq-axis coordinate system rotating in synchronization with the rotation of the 3-phase AC motor by using predetermined limit values and limits are imposed on a higher harmonic voltage command value calculated in an orthogonal coordinate system (a higher harmonic coordinate system) rotating at a frequency set to an integral multiple of the frequency of the fundamental component in the 3-phase AC motor current by using a predetermined limit values. The voltage command values resulting from the limit processing are added together and a voltage corresponding to the sum is applied to the AC motor for drive control.
摘要翻译：施加在基本电流控制电路上计算的基本电压指令值的限制，该基波电流控制电路在与三相交流电动机的旋转同步旋转的dq轴坐标系中控制三相交流电动机电流的基波分量，对在三相AC中设定为基波分量的频率的整数倍的频率旋转的正交坐标系（高次谐波坐标系）中计算出的高次谐波电压指令值施加规定的极限值和极限电机电流通过使用预定的极限值。将由极限处理产生的电压指令值相加在一起，将与和相对应的电压施加到用于驱动控制的AC电动机。

8. 发明授权

US07659689B2 Power conversion apparatus and method and automobile 有权
标题翻译：电力转换装置及方法及汽车
公开(公告)号：US07659689B2
公开(公告)日：2010-02-09
申请号：US11714564
申请日：2007-03-06
申请人： Kantaro Yoshimoto , Yasuhiko Kitajima , Kengo Maikawa
发明人： Kantaro Yoshimoto , Yasuhiko Kitajima , Kengo Maikawa
IPC分类号： H02P27/04
CPC分类号： H02M1/10 , B60L11/1814 , B60L2240/421 , B60L2240/423 , B60L2240/547 , Y02T10/642 , Y02T10/7005 , Y02T10/7072 , Y02T90/127 , Y02T90/14
摘要： An apparatus and method for supplying a polyphase (AC) alternating current motor with driving voltages. A conversion unit is coupled to phases of the polyphase AC motor and includes a plurality of switching devices and includes, in at least one phase, a first switching device between a bus of an AC power supply and an output terminal, a second switching device between a bus of a direct current (DC) power supply and the output terminal, and a third switching device between a common bus for the AC power supply and the DC power supply and the output terminal. Driving voltages for the polyphase AC motor are generated by selecting a voltage from among voltages having potential values corresponding to the AC power supply and the DC power supply, and the selected voltage is used to operate a switch of the plurality of switching devices.
摘要翻译：一种用于向多相（AC）交流电动机提供驱动电压的装置和方法。转换单元耦合到多相交流电动机的相位并且包括多个开关装置，并且在至少一个相位中包括在交流电源的总线与输出端之间的第一开关装置，第二开关装置直流（DC）电源的总线和输出端子，以及用于交流电源的公共总线与直流电源和输出端子之间的第三开关装置。通过从具有与交流电源和直流电源相对应的电位值的电压中选择电压来产生多相交流电动机的驱动电压，并且所选择的电压用于操作多个开关装置的开关。

9. 发明授权

US07557527B2 Electrical power converter and control method 有权
标题翻译：电力转换器及控制方法
公开(公告)号：US07557527B2
公开(公告)日：2009-07-07
申请号：US11444161
申请日：2006-05-31
申请人： Kantaro Yoshimoto , Yasuhiko Kitajima , Kengo Maikawa
发明人： Kantaro Yoshimoto , Yasuhiko Kitajima , Kengo Maikawa
IPC分类号： H02P7/00
CPC分类号： H02M7/5388 , B60L15/025 , B60L2210/10 , H02M7/483 , H02M7/53875 , H02P21/16 , Y02T10/643 , Y02T10/7216
摘要： An electrical power converter comprises a first direct current line connected to a first direct current source, a second direct current line connected to a second direct current source, an alternating current line connected to an alternating current motor, a controller, and a pulse generator. The controller determines a required torque of the alternating current motor. The controller also determines a voltage command value that substantially minimizes a copper loss of the alternating current motor while providing the required torque of the alternating current motor. The pulse generator generates an output voltage according to the voltage command value at the alternating current output.
摘要翻译：电力转换器包括连接到第一直流电源的第一直流线路，连接到第二直流电源的第二直流线路，连接到交流电动机的交流线路，控制器和脉冲发生器。控制器确定交流电动机的所需扭矩。控制器还确定电压指令值，其基本上最小化交流电动机的铜损，同时提供交流电动机的所需转矩。脉冲发生器根据交流输出端的电压指令值产生输出电压。

10. 发明申请

US20070216339A1 Electric power converter 有权
标题翻译：电力转换器
公开(公告)号：US20070216339A1
公开(公告)日：2007-09-20
申请号：US11724566
申请日：2007-03-15
申请人： Kantaro Yoshimoto , Yasuhiko Kitajima , Kengo Maikawa
发明人： Kantaro Yoshimoto , Yasuhiko Kitajima , Kengo Maikawa
IPC分类号： H02P27/04
CPC分类号： H02M7/5388 , B60L7/06 , B60L7/24 , B60L11/1868 , B60L11/1887 , B60L15/007 , B60L2210/30 , B60L2210/40 , B60L2240/421 , B60L2240/423 , B60L2240/526 , B60L2240/527 , B60L2240/529 , H02M7/483 , H02P21/00 , Y02T10/643 , Y02T10/644 , Y02T10/645 , Y02T10/7066 , Y02T10/7241 , Y02T90/34
摘要： An electric power converter, electric power conversion system and method that, without using a DC-DC converter, uses and allots the electric power of plural power sources while reducing the volume and losses. At least one phase of the motor is connected to plural power sources and generates and synthesizes pulses from output voltages of plural power sources so as to drive the multi-phase AC motor. A different phase of the motor is connected to one DC power source and generates pulses from the output voltage of the power source so as to generate a driving voltage for the multi-phase AC motor. This arrangement allows use/allotment of the power of plural power sources with a reduced number of semiconductor components.
摘要翻译：一种电力转换器，电力转换系统和方法，在不使用DC-DC转换器的情况下，使用和分配多个电源的电力，同时减小体积和损耗。电动机的至少一相连接到多个电源，并从多个电源的输出电压产生并合成脉冲，以驱动多相交流电动机。电动机的不同相位连接到一个直流电源，并从电源的输出电压产生脉冲，以产生用于多相交流电动机的驱动电压。这种布置允许使用/分配具有减少数量的半导体部件的多个电源的功率。

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