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31. 发明申请

US20130278182A1 METHODS, SYSTEMS AND APPARATUS FOR GENERATING VOLTAGE COMMANDS USED TO CONTROL OPERATION OF A PERMANENT MAGNET MACHINE 有权
标题翻译：用于产生用于控制永磁电机运行的电压指令的方法，系统和装置
公开(公告)号：US20130278182A1
公开(公告)日：2013-10-24
申请号：US13453705
申请日：2012-04-23
申请人： MILUN PERISIC , SILVA HITI , GABRIEL GALLEGOS-LOPEZ
发明人： MILUN PERISIC , SILVA HITI , GABRIEL GALLEGOS-LOPEZ
IPC分类号： H02P21/00
CPC分类号： B60L15/025 , H02P21/22 , H02P2207/05 , Y02T10/643
摘要： Embodiments of the present disclosure relate to methods, systems and apparatus for generating voltage commands used to control operation of a permanent magnet machine.
摘要翻译：本公开的实施例涉及用于产生用于控制永磁体机器的操作的电压命令的方法，系统和装置。

32. 发明申请

US20130207579A1 METHOD AND SYSTEM FOR ESTIMATING ELECTRICAL ANGULAR SPEED OF A PERMANENT MAGNET MACHINE 有权
标题翻译：用于估计永磁电机电角速度的方法和系统
公开(公告)号：US20130207579A1
公开(公告)日：2013-08-15
申请号：US13397463
申请日：2012-02-15
申请人： MILUN PERISIC , YO CHAN SON , GABRIEL GALLEGOS-LOPEZ , SILVA HITI
发明人： MILUN PERISIC , YO CHAN SON , GABRIEL GALLEGOS-LOPEZ , SILVA HITI
IPC分类号： H02P21/12
CPC分类号： H02P21/18 , H02P21/24
摘要： Methods, systems and apparatus are provided for estimating electrical angular speed of a permanent magnet machine based on two-phase stationary reference frame feedback stator current samples, and a dimensionless gain (K) that is computed based on a sampling time (T) and machine parameters.
摘要翻译：提供了用于估计基于两相静止参考系反馈定子电流样本的永磁体机器电角速度的方法，系统和装置，以及基于采样时间（T）和机器计算的无量纲增益（K）参数。

33. 发明授权

US08319458B2 Vehicular electrical system and method for controlling an inverter during motor deceleration 有权
标题翻译：车辆电气系统和电机减速期间控制变频器的方法
公开(公告)号：US08319458B2
公开(公告)日：2012-11-27
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： H02P3/22
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。

34. 发明授权

US08193747B2 Methods, systems and apparatus for controlling operation of two alternating current (AC) machines 有权
标题翻译：用于控制两台交流（AC）机器的操作的方法，系统和装置
公开(公告)号：US08193747B2
公开(公告)日：2012-06-05
申请号：US12473988
申请日：2009-05-28
申请人： Gabriel Gallegos-Lopez , James M. Nagashima , Milun Perisic , Silva Hiti
发明人： Gabriel Gallegos-Lopez , James M. Nagashima , Milun Perisic , Silva Hiti
IPC分类号： H02P21/00
CPC分类号： H02P5/74 , H02P21/22
摘要： A system is provided for controlling two alternating current (AC) machines via a five-phase PWM inverter module. The system comprises a first control loop, a second control loop, and a current command adjustment module. The current command adjustment module operates in conjunction with the first control loop and the second control loop to continuously adjust current command signals that control the first AC machine and the second AC machine such that they share the input voltage available to them without compromising the target mechanical output power of either machine. This way, even when the phase voltage available to either one of the machines decreases, that machine outputs its target mechanical output power.
摘要翻译：提供一种用于通过五相PWM逆变器模块控制两个交流（AC）机器的系统。该系统包括第一控制回路，第二控制回路和电流指令调整模块。电流指令调整模块与第一控制回路和第二控制回路结合操作，以连续地调节控制第一交流电机和第二交流电机的电流指令信号，使得它们共享可用的输入电压，而不损害目标机械两台机器的输出功率。这样，即使可用于任何一台机器的相电压降低，该机器输出其目标机械输出功率。

35. 发明申请

US20110231040A1 USE OF DISCONTINUOUS PULSE WIDTH MODULATION FOR AN INVERTER COUPLED TO AN ELECTRIC MOTOR FOR A VEHICLE 审中-公开
标题翻译：用于与车辆电动马达相连的逆变器的不连续脉冲宽度调制的使用
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

36. 发明申请

US20110089883A1 MOTOR PHASE WINDING FAULT DETECTION METHOD AND APPARATUS 审中-公开
标题翻译：电机相绕组故障检测方法及装置
公开(公告)号：US20110089883A1
公开(公告)日：2011-04-21
申请号：US12582733
申请日：2009-10-21
申请人： Mohammad N. Anwar , S.M. N. Hasan , Khwaja M. Rahman , Silva Hiti , Steven E. Schulz , Sean E. Gleason
发明人： Mohammad N. Anwar , S.M. N. Hasan , Khwaja M. Rahman , Silva Hiti , Steven E. Schulz , Sean E. Gleason
IPC分类号： G01R31/06
CPC分类号： G01R31/343 , G01R31/346
摘要： A method of detecting a phase winding fault in a multi-phase electric machine is executable via a motor controller, and includes measuring feedback signals of the machine, including each phase current, and generating reference phase voltages for each phase. The method includes calculating a predetermined voltage value using the feedback signals and reference phase voltages, and comparing the voltage value to a corresponding threshold to determine the fault. A control action is executed when the voltage value exceeds the corresponding threshold. The voltage value is one or more of: a ratio of a normalized zero sequence voltage to a modulation index, an RMS voltage for each phase, and total harmonic distortion of each phase current. An apparatus detects the fault, and includes a motor controller and an algorithm as set forth above. The apparatus may include a voltage inverter for generating a multi-phase alternating current output for powering the machine.
摘要翻译：检测多相电机中的相绕组故障的方法可通过马达控制器执行，并且包括测量机器的反馈信号，包括每个相电流，并产生每相的参考相电压。该方法包括使用反馈信号和参考相电压来计算预定电压值，并将电压值与相应的阈值进行比较以确定故障。当电压值超过相应的阈值时，执行控制动作。电压值是以下中的一个或多个：归一化零序电压与调制指数的比率，每相的RMS电压以及每个相电流的总谐波失真。一种装置检测故障，并包括如上所述的马达控制器和算法。该装置可以包括电压逆变器，用于产生用于为机器供电的多相交流输出。

37. 发明申请

US20100231149A1 LINEARITY FOR FIELD WEAKENING IN AN INTERIOR PERMANENT MAGNET MACHINE 有权
标题翻译：在内置永磁电机中进行场疲劳的线性度
公开(公告)号：US20100231149A1
公开(公告)日：2010-09-16
申请号：US12786104
申请日：2010-05-24
申请人： GABRIEL GALLEGOS-LOPEZ , YO CHAN SON , MILUN PERISIC , SILVA HITI
发明人： GABRIEL GALLEGOS-LOPEZ , YO CHAN SON , MILUN PERISIC , SILVA HITI
IPC分类号： H02P21/00
CPC分类号： B60L15/025 , B60L2200/26 , B60L2220/14 , H02P21/0089 , H02P21/06 , Y02T10/643
摘要： Systems and methods are disclosed to provide torque linearity in the field-weakening region for an electric (e.g., IPM) machine. The systems and methods implement a field weakening and a torque linearity control loop for linearizing torque generated by an electric machine. First and second voltage commands are used at the field weakening loop to generate a first adjusting current command. The first adjusting current command is then provided to the torque linearity control loop, where it is multiplied by a gain to generate an output current command, which can then be limited to generate a second adjusting current command. The second adjusting current command can then be added to a current command to generate an adjusted current command. The first adjusting current command can also be added to another current command to generate another adjusted current command. The adjusted current commands and feedback currents are then used at a synchronous current regulator to generate new first and second voltage commands. As a result, torque linearity is maintained when the electric machine operates in the field weakening region.
摘要翻译：公开了系统和方法以在电动（例如，IPM）机器的弱磁区域中提供扭矩线性度。该系统和方法实现了减弱电磁场和扭矩线性控制回路，用于线性化电机产生的转矩。在弱磁环路处使用第一和第二电压指令来产生第一调整电流指令。然后将第一调整电流指令提供给转矩线性控制回路，在该转矩线性控制回路中乘以增益以产生输出电流指令，然后可以限制该指令以产生第二调整电流指令。然后可以将第二调整电流命令添加到当前命令以产生经调整的电流命令。第一个调整电流命令也可以添加到另一个当前命令，以生成另一个调整的电流命令。然后在同步电流调节器上使用调整后的电流指令和反馈电流来产生新的第一和第二电压指令。结果，当电机在弱磁区域中运行时，扭矩线性度得以保持。

38. 发明授权

US07679310B2 Method and system for controlling pulse width modulation in a power inverter in electric drives 有权
标题翻译：电力变频器中脉宽调制控制方法及系统
公开(公告)号：US07679310B2
公开(公告)日：2010-03-16
申请号：US11923293
申请日：2007-10-24
申请人： Steven E. Schulz , Brian A. Welchko , Silva Hiti
发明人： Steven E. Schulz , Brian A. Welchko , Silva Hiti
IPC分类号： H02P23/00
CPC分类号： B60L15/08 , B60L11/1803 , B60L15/007 , B60L15/20 , B60L2210/42 , B60L2240/421 , B60L2240/423 , H02P27/08 , Y02T10/644 , Y02T10/645 , Y02T10/7005 , Y02T10/7241 , Y02T10/7275
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 either a commanded torque of the electric motor being above a first torque level, or a commanded speed of the electric motor being above a first speed level, controlling the power inverter with a discontinuous pulse width modulated (DPWM) signal to generate a modulated voltage waveform for driving the electric motor. Additionally, the embodiments control the power inverter by, responsive to both a commanded torque of the electric motor being below the first torque level, and a commanded speed of the electric motor being below the first speed level, controlling the power inverter with a continuous pulse width modulated (CPWM) signal to generate the modulated voltage waveform for driving the electric 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高于第一转矩水平或电动机的指令速度高于第一速度水平来控制功率逆变器，以不连续脉冲宽度控制功率逆变器调制（DPWM）信号以产生用于驱动电动机的调制电压波形。此外，这些实施例通过响应于电动机的指令转矩低于第一转矩水平和电动机的指令速度低于第一速度水平来控制功率逆变器，以连续脉冲宽度调制（CPWM）信号以产生用于驱动电动机的调制电压波形。

39. 发明授权

US07675192B2 Active DC bus filter for fuel cell applications 有权
标题翻译：用于燃料电池应用的有源直流母线滤波器
公开(公告)号：US07675192B2
公开(公告)日：2010-03-09
申请号：US11153171
申请日：2005-06-15
申请人： David Tang , Silva Hiti , Constantin C. Stancu , Gregory S. Smith
发明人： David Tang , Silva Hiti , Constantin C. Stancu , Gregory S. Smith
IPC分类号： B60L1/00 , B60L3/00 , H02G3/00
CPC分类号： B60L11/1887 , H02P6/10 , H02P25/098 , Y02T10/642 , Y02T90/16 , Y02T90/34
摘要： A control system for a vehicle powered by a fuel cell includes a voltage conversion device that communicates with the fuel cell through a voltage bus and a propulsion system that is selectively powered by the fuel cell through the voltage bus and that selectively generates a ripple current in the voltage bus. The voltage conversion device is regulated to selectively generate a counter-ripple current that reduces the ripple current.
摘要翻译：用于由燃料电池供电的车辆的控制系统包括电压转换装置，其通过电压总线和推进系统与燃料电池连通，该推进系统由燃料电池通过电压总线选择性供电，并且选择性地产生纹波电流电压总线。调节电压转换器件以选择性地产生减小纹波电流的反纹波电流。

40. 发明申请

US20090295316A1 GEARLESS WHEEL MOTOR DRIVE SYSTEM 审中-公开
标题翻译：无齿轮电机驱动系统
公开(公告)号：US20090295316A1
公开(公告)日：2009-12-03
申请号：US12541409
申请日：2009-08-14
申请人： NITINKUMAR R. PATEL , SILVA HITI , KHWAJA M. RAHMAN
发明人： NITINKUMAR R. PATEL , SILVA HITI , KHWAJA M. RAHMAN
IPC分类号： H02P21/00
CPC分类号： H02K1/2793 , B60K6/26 , B60K7/0007 , B60K2007/0038 , B60K2007/0092 , B60L1/02 , B60L3/003 , B60L3/0046 , B60L3/0061 , B60L7/14 , B60L15/025 , B60L15/06 , B60L15/08 , B60L15/20 , B60L15/2009 , B60L50/51 , B60L58/30 , B60L2210/40 , B60L2220/14 , B60L2220/16 , B60L2220/44 , B60L2220/50 , B60L2240/36 , B60L2240/421 , B60L2240/423 , B60L2240/425 , B60L2240/427 , B60L2240/429 , B60L2240/526 , B60L2240/527 , B60L2240/529 , B60L2240/547 , B60L2250/26 , B60L2270/145 , H02K7/14 , H02K21/24 , H02K29/03 , H02P21/06 , Y02T10/641 , Y02T10/643 , Y02T10/644 , Y02T10/7241 , Y02T10/7275 , Y02T90/34
摘要： Methods and apparatus are provided for an electric vehicle embodying an axial flux traction motor directly coupled to a wheel thereof. The traction motor comprises a stator having coils for producing a magnetic field, an annular rotor magnetically coupled to the stator and mechanically to an output shaft. Permanent magnets of alternating polarity are mounted on the annular rotor. Magnetic shunts bridge a portion of the stator slots above the coils. The magnets are arranged in groups with group-to-group spacing exceeding magnet-to-magnet spacing. Adjacent edges of the magnets diverge. The method comprises, looking up d- and q-axis currents to provide the requested torque and motor speed for the available DC voltage, combining at least one of the d- and q-axis currents with a field weakening correction term, converting the result from synchronous to stationary frame and operating an inverter therewith to provide current to the coils of the motor.
摘要翻译：提供了一种实现轴向通量牵引电动机的电动车辆的方法和装置，其直接联接到其车轮。牵引电动机包括具有用于产生磁场的线圈的定子，与定子磁耦合并机械地连接到输出轴的环形转子。交替极性的永磁体安装在环形转子上。磁分路桥接线圈上方的定子槽的一部分。磁体以组间距离超过磁体与磁体的间距分组排列。磁体的相邻边缘发散。该方法包括：查找d轴和q轴电流以为可用的直流电压提供所要求的转矩和电动机速度，将d轴和q轴电流中的至少一个与弱磁修正项组合，转换结果从同步到静止的框架并且与其一起操作逆变器以向电动机的线圈提供电流。

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