公开(公告)号：US20110231040A1

公开(公告)日：2011-09-22

申请号：US12725543

申请日：2010-03-17

申请人： Steven E. Schulz ,  Goro Tamai ,  Lan Wang ,  Karl Andrew Sime ,  Silva Hiti ,  Brian A. Welchko

发明人： Steven E. Schulz ,  Goro Tamai ,  Lan Wang ,  Karl Andrew Sime ,  Silva Hiti ,  Brian A. Welchko

IPC分类号： G06F19/00

CPC分类号： B60L15/2009 ,  B60L15/08 ,  Y02T10/645 ,  Y02T10/72 ,  Y02T10/7275

摘要： A method for controlling an inverter coupled to an electric motor for a vehicle includes generating a discontinuous PWM signal for the inverter when a torque of the electric motor and a speed of the electric motor are substantially zero, and when at least one predetermined vehicle condition is met.

摘要翻译： 一种用于控制与车辆的电动机相连的逆变器的方法包括当电动机的转矩和电动机的速度基本上为零时产生用于逆变器的不连续的PWM信号，并且当至少一个预定的车辆状况是 见面

公开(公告)号：US07768220B2

公开(公告)日：2010-08-03

申请号：US12108868

申请日：2008-04-24

申请人： Steven E. Schulz ,  Goro Tamai ,  Silva Hiti

发明人： Steven E. Schulz ,  Goro Tamai ,  Silva Hiti

IPC分类号： H02P6/10

CPC分类号： H02P29/50

摘要： Methods and systems are provided for reducing torque ripple in an electric motor. A method comprises receiving a torque command and determining a cancellation current command based on the torque command. The method further comprises generating a harmonic cancellation command based on the cancellation current command, wherein the harmonic cancellation command compensates for a phase shift and an attenuation introduced by a current regulated control module coupled to an inverter coupled to the electric motor. The method further comprises providing the harmonic cancellation command to the current regulated control module, wherein the current regulated control module is configured to control the inverter in response to the harmonic cancellation command and the torque command.

摘要翻译： 提供了减少电动机转矩波动的方法和系统。 一种方法包括：接收转矩指令并根据转矩指令确定取消电流指令。 该方法还包括基于消除电流指令产生谐波消除命令，其中谐波消除指令补偿由耦合到与电动机耦合的逆变器的电流调节控制模块引入的相移和衰减。 该方法还包括向当前调节控制模块提供谐波消除命令，其中当前调节控制模块被配置为响应于谐波消除指令和转矩指令来控制逆变器。

公开(公告)号：US20090267555A1

公开(公告)日：2009-10-29

申请号：US12108868

申请日：2008-04-24

申请人： Steven E. Schulz ,  Goro Tamai ,  Silva Hiti

发明人： Steven E. Schulz ,  Goro Tamai ,  Silva Hiti

IPC分类号： H02P6/10

CPC分类号： H02P29/50

摘要： Methods and systems are provided for reducing torque ripple in an electric motor. A method comprises receiving a torque command and determining a cancellation current command based on the torque command. The method further comprises generating a harmonic cancellation command based on the cancellation current command, wherein the harmonic cancellation command compensates for a phase shift and an attenuation introduced by a current regulated control module coupled to an inverter coupled to the electric motor. The method further comprises providing the harmonic cancellation command to the current regulated control module, wherein the current regulated control module is configured to control the inverter in response to the harmonic cancellation command and the torque command.

摘要翻译： 提供了减少电动机转矩波动的方法和系统。 一种方法包括：接收转矩指令并根据转矩指令确定取消电流指令。 该方法还包括基于消除电流指令产生谐波消除命令，其中谐波消除指令补偿由耦合到与电动机耦合的逆变器的电流调节控制模块引入的相移和衰减。 该方法还包括向当前调节控制模块提供谐波消除命令，其中当前调节控制模块被配置为响应于谐波消除命令和扭矩命令来控制逆变器。

公开(公告)号：US08751192B2

公开(公告)日：2014-06-10

申请号：US12862377

申请日：2010-08-24

申请人： Steven E. Schulz ,  Bon Ho Bae ,  Silva Hiti ,  Min Dai ,  Harry J. Bauer ,  Samuel J. Harbin

发明人： Steven E. Schulz ,  Bon Ho Bae ,  Silva Hiti ,  Min Dai ,  Harry J. Bauer ,  Samuel J. Harbin

IPC分类号： G01M17/00 ,  F16H61/12 ,  G01M13/02 ,  G01M17/007 ,  F16H61/00

CPC分类号： F16H61/12 ,  B60Y2304/09 ,  F16H2061/0068 ,  F16H2061/1212 ,  F16H2061/1284 ,  G01M13/02 ,  G01M17/007

摘要： Methods and systems are provided for assessing a vehicle transmission having a resolver. A memory is configured to store preliminary data pertaining to an error of the resolver. A processor is coupled to the memory, and is configured to determine a harmonic characteristic of the preliminary data, and to assess the vehicle transmission using the harmonic characteristic.

摘要翻译： 提供了用于评估具有旋转变压器的车辆传动装置的方法和系统。 存储器被配置为存储与解析器的错误有关的初步数据。 处理器耦合到存储器，并且被配置为确定初步数据的谐波特性，并且使用谐波特性来评估车辆传输。

公开(公告)号：US08446113B2

公开(公告)日：2013-05-21

申请号：US12817950

申请日：2010-06-17

申请人： Brian A Welchko ,  Konstantin S. Majarov ,  Silva Hiti ,  Steven E. Schulz ,  Aniket Kothari ,  Nicholas Kokotovich

发明人： Brian A Welchko ,  Konstantin S. Majarov ,  Silva Hiti ,  Steven E. Schulz ,  Aniket Kothari ,  Nicholas Kokotovich

IPC分类号： H02P3/14

CPC分类号： B60L7/06 ,  B60L3/04 ,  B60L7/003 ,  B60L7/08 ,  Y02T10/7258

摘要： Methods and systems for operating an inverter having a plurality of high switches and a plurality of low switches coupled to an electric motor are provided. An event indicative of deceleration of the electric motor is detected. The inverter is alternated between a first mode of operation and a second mode of operation during the deceleration of the electric motor. In the first mode of operation, each of the plurality of high switches is activated and each of the plurality of low switches is deactivated or each of the plurality of low switches is activated and each of the plurality of high switches is deactivated. In the second mode of operation, each of the plurality of high switches is deactivated and each of the plurality of low switches is deactivated.

摘要翻译： 提供了用于操作具有多个高开关的逆变器和耦合到电动机的多个低开关的方法和系统。 检测到表示电动机减速的事件。 逆变器在电动机的减速期间在第一操作模式和第二操作模式之间交替。 在第一操作模式中，多个高开关中的每一个被激活，并且多个低开关中的每一个被去激活，或者多个低开关中的每一个被激活，并且多个高开关中的每一个被去激活。 在第二操作模式中，多个高开关中的每一个被去激活，并且多个低开关中的每一个被去激活。

公开(公告)号：US20110309779A1

公开(公告)日：2011-12-22

申请号：US12817952

申请日：2010-06-17

申请人： Silva Hiti ,  Steven E. Schulz ,  Konstantin S. Majarov ,  Brian A. Welchko

发明人： Silva Hiti ,  Steven E. Schulz ,  Konstantin S. Majarov ,  Brian A. Welchko

IPC分类号： H02P6/00

CPC分类号： B60L11/14 ,  B60L3/0061 ,  B60L7/14 ,  B60L15/2009 ,  B60L2210/10 ,  B60L2210/30 ,  B60L2210/40 ,  B60L2240/423 ,  Y02T10/645 ,  Y02T10/70 ,  Y02T10/7077 ,  Y02T10/7216 ,  Y02T10/7241 ,  Y02T10/7275

摘要： Methods and systems for operating an inverter coupled to an electric motor are provided. The inverter has a plurality of high switches and a plurality of low switches coupled to the electric motor. An event indicative of deceleration of the electric motor is detected. The inverter is alternated between a first mode of operation and a second mode of operation during the deceleration of the electric motor. In the first mode of operation, each of the plurality of high switches is activated and each of the plurality of low switches is deactivated. In the second mode of operation, each of the plurality of low switches is activated and each of the plurality of high switches is deactivated.

摘要翻译： 提供了用于操作耦合到电动机的逆变器的方法和系统。 逆变器具有耦合到电动机的多个高开关和多个低开关。 检测到表示电动机减速的事件。 逆变器在电动机的减速期间在第一操作模式和第二操作模式之间交替。 在第一操作模式中，多个高开关中的每一个被激活，并且多个低开关中的每一个被去激活。 在第二操作模式中，多个低开关中的每一个被激活，并且多个高开关中的每一个被去激活。

公开(公告)号：US20110309777A1

公开(公告)日：2011-12-22

申请号：US12817950

申请日：2010-06-17

申请人： Brian A. Welchko ,  Konstantin S. Majarov ,  Silva Hiti ,  Steven E. Schulz ,  Aniket Kothari ,  Nicholas Kokotovich

发明人： Brian A. Welchko ,  Konstantin S. Majarov ,  Silva Hiti ,  Steven E. Schulz ,  Aniket Kothari ,  Nicholas Kokotovich

IPC分类号： H02P3/14

CPC分类号： B60L7/06 ,  B60L3/04 ,  B60L7/003 ,  B60L7/08 ,  Y02T10/7258

摘要： Methods and systems for operating an inverter having a plurality of high switches and a plurality of low switches coupled to an electric motor are provided. An event indicative of deceleration of the electric motor is detected. The inverter is alternated between a first mode of operation and a second mode of operation during the deceleration of the electric motor. In the first mode of operation, each of the plurality of high switches is activated and each of the plurality of low switches is deactivated or each of the plurality of low switches is activated and each of the plurality of high switches is deactivated. In the second mode of operation, each of the plurality of high switches is deactivated and each of the plurality of low switches is deactivated.

摘要翻译： 提供了用于操作具有多个高开关的逆变器和耦合到电动机的多个低开关的方法和系统。 检测到表示电动机减速的事件。 逆变器在电动机的减速期间在第一操作模式和第二操作模式之间交替。 在第一操作模式中，多个高开关中的每一个被激活，并且多个低开关中的每一个被去激活，或者多个低开关中的每一个被激活，并且多个高开关中的每一个被去激活。 在第二操作模式中，多个高开关中的每一个被去激活，并且多个低开关中的每一个被去激活。

公开(公告)号：US07839108B2

公开(公告)日：2010-11-23

申请号：US12019395

申请日：2008-01-24

申请人： Nitinkumar R. Patel ,  Yo Chan Son ,  Silva Hiti ,  Steven E. Schulz

发明人： Nitinkumar R. Patel ,  Yo Chan Son ,  Silva Hiti ,  Steven E. Schulz

IPC分类号： H02H5/04

CPC分类号： H02H7/0852

摘要： A temperature estimation controller and methods are provided for controlling a torque command to prevent overheating of one or more of a plurality of phases of a permanent magnet motor. The temperature estimation controller includes a low speed temperature estimation module, a transition module and a temperature dependent torque command derater block. The low speed temperature estimation module determines a stator temperature of each of a plurality of phases of the permanent magnet motor in response to first thermal impedances measured for each of the plurality of phases with respect to a thermal neutral. The transition module is coupled to the low speed temperature estimation module and outputs the stator temperature of each of a plurality of phases of the permanent magnet motor as determined by the low speed temperature estimation module when a detected speed of the permanent magnet motor is less than a first predetermined speed. The temperature dependent torque command derater block is coupled to the transition module and derates the torque command in response to the stator temperature of one or more of the plurality of phases.

摘要翻译： 提供了一种用于控制转矩指令以防止永磁电动机的多相中的一个或多个相的过热的温度估计控制器和方法。 温度估计控制器包括低速温度估计模块，过渡模块和与温度相关的转矩指令减排模块。 低速温度估计模块响应于相对于热中性点对多个相中的每一个测量的第一热阻而确定永磁电动机的多相的每个相的定子温度。 当所述永磁电动机的检测速度小于所述低速温度估计模块时，所述过渡模块耦合到所述低速温度估计模块，并且输出由所述低速温度估计模块确定的所述永磁电动机的多个相中的每一个的定子温度。 第一预定速度。 与温度相关的转矩指令转换器模块耦合到转换模块，并响应于多个相位中的一个或多个的定子温度降低转矩指令。

公开(公告)号：US07652443B2

公开(公告)日：2010-01-26

申请号：US11923270

申请日：2007-10-24

申请人： Steven E. Schulz ,  Stephen T. West ,  Brian A. Welchko ,  Silva Hiti

发明人： Steven E. Schulz ,  Stephen T. West ,  Brian A. Welchko ,  Silva Hiti

IPC分类号： H02P7/00

CPC分类号： B60L15/08 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/526 ,  B60L2270/14 ,  Y02T10/645

摘要： Methods and systems for controlling a power inverter in an electric drive system of an automobile are provided. The various embodiments control the power inverter by, responsive to a commanded torque of the electric motor being below a first torque level, controlling the power inverter to set a switching frequency of the power inverter at a first set frequency; and, responsive to the commanded torque of the electric motor being between the first torque level and a second torque level, controlling the power inverter to determine the switching frequency of the power inverter as a function of the commanded torque of the electric motor while maintaining the switching frequency above a dynamic frequency limit. The method reduces switching frequencies in the inverter at high commanded torques, while maintaining the switching frequencies above dynamic frequency limit that provides effective control over the motor.

摘要翻译： 提供了一种用于控制汽车电驱动系统中的电力逆变器的方法和系统。 各种实施例通过响应于电动机的指令转矩低于第一转矩水平来控制功率逆变器，控制功率逆变器将功率逆变器的开关频率设定在第一设定频率; 并且响应于所述电动机的所述指令转矩在所述第一转矩水平和第二转矩水平之间，控制所述电力逆变器，以根据所述电动机的指令转矩来确定所述电力逆变器的开关频率，同时保持 开关频率高于动态频率限制。 该方法以较高的指令转矩降低变频器的开关频率，同时保持开关频率高于动态频率限制，从而提供对电机的有效控制。

公开(公告)号：US20080224651A1

公开(公告)日：2008-09-18

申请号：US11685722

申请日：2007-03-13

申请人： Steven E. Schulz ,  Silva Hiti ,  Khwaja M. Rahman

发明人： Steven E. Schulz ,  Silva Hiti ,  Khwaja M. Rahman

IPC分类号： H02P27/00

CPC分类号： H02P21/02 ,  H02P21/0089 ,  H02P21/05

摘要： Methods and systems are provided for controlling permanent magnet machines under varying loads. The method comprises generating a d-axis voltage command and a q-axis voltage command, producing a modified d-axis current command based on the q-axis voltage command and a d-axis current command, converting the modified d-axis current command to a modified d-axis voltage command, and transmitting the modified d-axis voltage command and the q-axis voltage command to the PM machine. The d-axis voltage command is based on a d-axis current command.

摘要翻译： 提供了用于在变化的负载下控制永磁体机器的方法和系统。 该方法包括生成d轴电压指令和q轴电压指令，基于q轴电压指令和d轴电流指令产生修正的d轴电流指令，将修正的d轴电流指令 到修改的d轴电压指令，并将修改的d轴电压命令和q轴电压命令发送到PM机。 d轴电压指令基于d轴电流指令。