公开(公告)号：US07449859B2

公开(公告)日：2008-11-11

申请号：US11676527

申请日：2007-02-20

申请人： Bonho Bae ,  Nitinkumar R. Patel ,  Steven E. Schulz ,  Silva Hiti

发明人： Bonho Bae ,  Nitinkumar R. Patel ,  Steven E. Schulz ,  Silva Hiti

IPC分类号： H02P23/00

CPC分类号： B60L15/025 ,  B60L11/1803 ,  B60L15/20 ,  B60L2210/20 ,  B60L2220/14 ,  H02P21/04 ,  Y02T10/643 ,  Y02T10/7005 ,  Y02T10/725 ,  Y02T10/7275

摘要： A control architecture for an electrical inverter includes a synchronous frame current regulator and a stationary frame current regulator. The stationary frame current regulator receives input currents that represent filtered versions of stationary frame currents that correspond to the inverter output currents. The control architecture employs an adaptive filter module that filters the stationary frame currents to remove the fundamental motor frequency component (and its related harmonics), thus extracting any low frequency harmonic components. The stationary frame current regulator processes the low frequency components, while the synchronous frame current regulator processes the fundamental frequency component, resulting in suppression of low frequency oscillations in the inverter output.

摘要翻译： 用于电力逆变器的控制架构包括同步电流调节器和静止电流调节器。 静态框架电流调节器接收表示对应于逆变器输出电流的静态框电流的滤波版本的输入电流。 控制架构采用自适应滤波器模块，对固定电流进行滤波，去除基波电机频率分量（及其相关谐波），从而提取任何低频谐波分量。 静态电流调节器处理低频分量，而同步电流调节器处理基频分量，从而抑制逆变器输出中的低频振荡。

公开(公告)号：US07432683B2

公开(公告)日：2008-10-07

申请号：US11561513

申请日：2006-11-20

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

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

IPC分类号： H02P5/34

CPC分类号： H02P27/06 ,  H02M7/53875 ,  H02M2007/53876 ,  H02P21/00

摘要： A method for controlling an inverter uses sequences of predetermined states where each state uniquely corresponding to a set of control signals provided to the inverter that is coupled to a motor. The method includes repeatedly applying a first center null timing sequence of the states while monitoring a zero crossing condition and then changing the repeated application of the first center null timing sequence of the states into a repeated application of a second center null timing sequence of states when the monitoring detects a zero crossing condition. The repeated application of the first center null timing sequence sequentially provides the inverter with a first predetermined sequence of sets of control signals. The monitoring of a zero crossing condition monitors for a zero crossing condition in an electrical current flowing between the inverter and a terminal of the motor. The second center null timing sequence defines a second predetermined sequence of sets of control signals.

摘要翻译： 用于控制逆变器的方法使用预定状态的序列，其中每个状态唯一对应于提供给耦合到电动机的逆变器的一组控制信号。 该方法包括在监视过零状态的同时重复地应用状态的第一中心零点定时序列，然后将状态的第一中心零点定时序列的重复应用改变为重复应用第二中心零点定时时序序列， 监控检测到过零状态。 重复应用第一中心零点定时序列顺序地向逆变器提供第一预定的一组控制信号。 过零状态的监视监视在逆变器和电动机的端子之间流动的电流中的过零状态。 第二中心零点定时序列定义了控制信号组的第二预定序列。

公开(公告)号：US20080224649A1

公开(公告)日：2008-09-18

申请号：US11685729

申请日：2007-03-13

申请人： Bonho Bae ,  Steven E. Schulz ,  Silva Hiti ,  Nitinkumar R. Patel

发明人： Bonho Bae ,  Steven E. Schulz ,  Silva Hiti ,  Nitinkumar R. Patel

IPC分类号： H02P27/04

CPC分类号： H02P21/22

摘要： A control architecture for an electrical inverter includes a command limiter that is realized as a circular voltage limiter. The command limiter includes a Cartesian-to-polar converter coupled to a command source such as a synchronous frame current regulator. The Cartesian-to-polar converter provides magnitude and phase components for d-q command voltages. The command limiter further includes a magnitude limiter that limits the magnitude component to the maximum fundamental voltage component of the inverter, and a polar-to-Cartesian converter that converts the limited magnitude component and the phase component into modified d-q command voltages.

摘要翻译： 用于逆变器的控制结构包括实现为圆形电压限制器的指令限制器。 命令限制器包括耦合到诸如同步帧电流调节器的命令源的笛卡尔到极化转换器。 笛卡尔到极化转换器为d-q指令电压提供幅度和相位分量。 命令限制器还包括限幅器，其将幅度分量限制到逆变器的最大基波电压分量;以及极限到笛卡尔转换器，其将受限幅度分量和相位分量转换为修改的d-q指令电压。

公开(公告)号：US20060284582A1

公开(公告)日：2006-12-21

申请号：US11156019

申请日：2005-06-17

申请人： Yu-Seok Jeong ,  Seung Sul ,  Silva Hiti ,  Khwaja Rahman ,  Bon-Ho Bae

发明人： Yu-Seok Jeong ,  Seung Sul ,  Silva Hiti ,  Khwaja Rahman ,  Bon-Ho Bae

IPC分类号： H02P7/00

CPC分类号： B60L15/20 ,  B60L11/1803 ,  B60L15/025 ,  B60L2220/14 ,  Y02T10/643 ,  Y02T10/7005 ,  Y02T10/72 ,  Y02T10/7275

摘要： A system and method for controlling an IPM synchronous machine in a vehicle that calculates an operating trajectory of the machine on-line. The system defines three operating ranges of the machine based on voltage magnitude, where a first operating range is controlled by a current limit of the machine and second and third operating regions are controlled by a voltage limit of the machine. The system calculates d- and q-axis current reference signals in the reference rotor frame for each of the three regions. The system determines which set of current reference signals will be used to control the machine based on the operating region. The third operating region is used during over-modulation of the machine.

摘要翻译： 一种用于控制车辆中的IPM同步机的系统和方法，所述系统和方法在线计算机器的操作轨迹。 该系统基于电压幅度来定义机器的三个操作范围，其中第一操作范围由机器的电流限制控制，第二和第三操作区域由机器的电压限制来控制。 该系统为三个区域中的每一个计算参考转子框架中的d轴和q轴电流参考信号。 该系统基于操作区域确定将使用哪组当前参考信号来控制机器。 在机器的过调制期间使用第三操作区域。

公开(公告)号：US20050063205A1

公开(公告)日：2005-03-24

申请号：US10669919

申请日：2003-09-24

申请人： Constantin Stancu ,  Silva Hiti

发明人： Constantin Stancu ,  Silva Hiti

IPC分类号： H02M1/12 ,  H02M7/5387

CPC分类号： H02M7/53875 ,  H02M2007/53876 ,  Y10S323/908

摘要： Methods and apparatus are provided for controlling a stand-alone four-leg three-phase inverter. The inverter three-phase output is converted from AC domain elements to corresponding DC domain elements. The DC domain elements are processed into combined regulating and imbalance compensating signals, including over-current limiting. The compensating signals are restored to corresponding AC domain signals, and are processed into control inputs for the inverter, in order to stabilize the inverter output when connected to an unbalanced load. The inverter controller can be implemented entirely in software as a control algorithm.

公开(公告)号：US20050063202A1

公开(公告)日：2005-03-24

申请号：US10669618

申请日：2003-09-24

申请人： Constantin Stancu ,  Silva Hiti

发明人： Constantin Stancu ,  Silva Hiti

IPC分类号： H02M1/12 ,  H02M7/5387 ,  H02M1/14

CPC分类号： H02M7/53875 ,  H02M1/12 ,  H02M2001/123

摘要： Methods and apparatus are provided for controlling an inverter with an under-damped L-C filter connected to a load. Samples of the inverter output are processed to generate voltage regulation signals and damping signals. The voltage regulation signals include both regulating and imbalance compensating elements, and are further modified by the damping signals. The modified voltage regulation signals control the switching circuits of the inverter to stabilize the inverter output to the load.

公开(公告)号：US06870348B2

公开(公告)日：2005-03-22

申请号：US10635214

申请日：2003-08-06

申请人： Milan S. Mijalkovic ,  Aleksandar M. Stankovic ,  Silva Hiti ,  James M. Nagashima

发明人： Milan S. Mijalkovic ,  Aleksandar M. Stankovic ,  Silva Hiti ,  James M. Nagashima

IPC分类号： H02P5/28 ,  H02P7/36

CPC分类号： H02P21/141 ,  H02P21/16 ,  H02P2207/01

摘要： An induction machine includes a rotor having rotor flux and a rotor resistance. The induction machine outputs first and second reference current values. A control system includes a first controller that outputs first and second reference voltage values to the induction machine and that generates an estimated rotor flux magnitude value based on a rotor resistance parameter. A computation circuit receives the first and second reference current values from the induction machine and the first and second voltage reference values from the first controller and calculates an actual rotor flux magnitude. A rotor resistance adjustor that updates the rotor resistance parameter based on the actual and estimated rotor flux magnitudes.

摘要翻译： 感应电机包括具有转子磁通和转子电阻的转子。 感应电机输出第一和第二参考电流值。 控制系统包括：第一控制器，其将第一和第二参考电压值输出到感应电机，并且基于转子电阻参数产生估计的转子磁通量值。 计算电路从感应电机接收第一和第二参考电流值，并从第一控制器接收第一和第二参考电压值，并计算实际转子磁通量。 转子电阻调节器，其基于实际和估计的转子磁通量值来更新转子电阻参数。

公开(公告)号：US06864646B2

公开(公告)日：2005-03-08

申请号：US10367201

申请日：2003-02-14

申请人： Khwaja M. Rahman ,  Silva Hiti ,  Scott D. Downer ,  Brian Welchko

发明人： Khwaja M. Rahman ,  Silva Hiti ,  Scott D. Downer ,  Brian Welchko

IPC分类号： B60L9/18 ,  H02P5/74 ,  H02P23/06 ,  H02P7/68 ,  G05B11/01 ,  G05B19/18 ,  H02P7/74

CPC分类号： H02P23/06 ,  H02P5/74

摘要： A multiple inverter system is powered from a common energy source such as a battery. First and second inverters are coupled to the common energy source and drive corresponding motors. First and second controllers provide pulse width modulated signals, modulated with respect to first and second clock signals, respectively, to the respective first and second inverters. A capacitor coupled between a power bus and a ground bus smoothes power bus ripples caused by simultaneous switching. To reduce the size needed for the capacitor, different modulation schemes, such as center based interleaved, and leading and lagging edge coincident, are used when both motors are in the motoring mode or both motors are in the regeneration mode. However, the same modulation scheme is used when one motor is in the motoring mode and the other motor is in the regeneration mode.

摘要翻译： 多个逆变器系统由诸如电池的公共能量源供电。 第一和第二逆变器耦合到共用能源并驱动相应的电动机。 第一和第二控制器分别将相对于第一和第二时钟信号调制的脉宽调制信号提供给相应的第一和第二反相器。 耦合在电源总线和接地总线之间的电容器平滑了由同时切换引起的电源总线波动。 为了减小电容器所需的尺寸，当两个电动机处于电动模式或者两个电动机都处于再生模式时，使用不同的调制方案，例如基于中心的交错以及前沿和后沿一致。 然而，当一个电机处于电动模式并且另一个电动机处于再生模式时，使用相同的调制方案。

公开(公告)号：US20050035676A1

公开(公告)日：2005-02-17

申请号：US10903929

申请日：2004-07-29

申请人： Khwaja Rahman ,  Silva Hiti ,  Nitinkumar Patel ,  Terence Ward ,  James Nagashima ,  Fabio Crescimbini ,  Federico Caricchi

发明人： Khwaja Rahman ,  Silva Hiti ,  Nitinkumar Patel ,  Terence Ward ,  James Nagashima ,  Fabio Crescimbini ,  Federico Caricchi

IPC分类号： B60K6/26 ,  H02K1/18 ,  H02K1/27 ,  H02K3/46 ,  H02K7/14 ,  H02K9/22 ,  H02K21/24 ,  H02K29/03 ,  H02K7/06 ,  B60K1/00

CPC分类号： H02K1/2793 ,  B60K6/26 ,  B60K7/0007 ,  B60K2007/0038 ,  B60K2007/0092 ,  B60L1/02 ,  B60L3/003 ,  B60L3/0046 ,  B60L3/0061 ,  B60L7/14 ,  B60L11/1803 ,  B60L11/1881 ,  B60L15/025 ,  B60L15/06 ,  B60L15/08 ,  B60L15/20 ,  B60L15/2009 ,  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。

公开(公告)号：US20050029982A1

公开(公告)日：2005-02-10

申请号：US10634528

申请日：2003-08-05

申请人： Constantin Stancu ,  Silva Hiti

发明人： Constantin Stancu ,  Silva Hiti

IPC分类号： H02P5/34

CPC分类号： H02M1/12 ,  H02M7/53873 ,  H02M2007/53876 ,  H02P21/0089 ,  H02P21/50 ,  H02P29/50

摘要： A drive system that is suitable for high bandwidth current control of a three-phase voltage source inverter in the overmodulation region includes a feedback path that has a harmonic decoupling block that subtracts selected harmonic components from signals representative of a corresponding motor phase current signal. The harmonic decoupling block thereby generates corrected feedback signals. The drive system also includes subtractor blocks that subtract the corrected feedback signals from signals representative of open-loop magnetizing reference currents to generate difference signals. Also included is a modulation block that utilizes the difference signals to produce signals to drive a three-phase voltage source inverter in an overmodulated six-step mode.

摘要翻译： 适用于过调制区域中三相电压源逆变器的高带宽电流控制的驱动系统包括具有谐波去耦块的反馈路径，该谐波去耦块从代表对应的电动机相电流信号的信号中减去所选谐波分量。 因此，谐波去耦块产生校正的反馈信号。 驱动系统还包括从代表开环磁化参考电流的信号中减去经校正的反馈信号以产生差分信号的减法器块。 还包括利用差分信号产生信号以以过调制的六步模式驱动三相电压源逆变器的调制块。