公开(公告)号：US20110231040A1

公开(公告)日：2011-09-22

申请号：US12725543

申请日：2010-03-17

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

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

IPC: G06F19/00

CPC classification number: B60L15/2009 ,  B60L15/08 ,  Y02T10/645 ,  Y02T10/72 ,  Y02T10/7275

Abstract: 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.

Abstract translation: 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：US20110221369A1

公开(公告)日：2011-09-15

申请号：US12723136

申请日：2010-03-12

Applicant: BRIAN A. WELCHKO

Inventor： BRIAN A. WELCHKO

IPC: H02H7/09

CPC classification number: H02P29/0241 ,  H02M7/53873

Abstract: Systems and methods are provided for monitoring current in an electric motor. An electrical system comprises a direct current (DC) interface, an electric motor, and an inverter module between the DC interface and the electric motor. A first current sensor is configured to measure a DC current flowing between the DC interface and the inverter module. A second current sensor is configured to measure a first phase current flowing through the first phase of the electric motor. A control module is coupled to the current sensors, and the control module is configured to determine an expected value for the first phase current based at least in part on the DC current measured by the first current sensor and take remedial action based on a difference between the expected value and the measured first phase current.

Abstract translation: 提供了用于监视电动机中的电流的系统和方法。 电气系统包括直流（DC）接口，电动机以及DC接口和电动机之间的逆变器模块。 第一电流传感器被配置为测量在DC接口和逆变器模块之间流动的直流电流。 第二电流传感器被配置为测量流过电动机的第一相的第一相电流。 控制模块耦合到电流传感器，并且控制模块被配置为至少部分地基于由第一电流传感器测量的DC电流来确定第一相电流的期望值，并基于第一相电流的差异来采取补救动作 预期值和测量的第一相电流。

公开(公告)号：US07956569B2

公开(公告)日：2011-06-07

申请号：US12132486

申请日：2008-06-03

Applicant: Brian A. Welchko ,  James M. Nagashima ,  Gregory S. Smith ,  Sibaprasad Chakrabarti ,  Milun Perisic ,  George John

Inventor： Brian A. Welchko ,  James M. Nagashima ,  Gregory S. Smith ,  Sibaprasad Chakrabarti ,  Milun Perisic ,  George John

IPC: H02P27/04

CPC classification number: B60L11/1868 ,  Y02T10/7005 ,  Y02T10/7066

Abstract: A double ended inverter system suitable for use with an AC electric traction motor of a vehicle is provided. The double ended inverter system cooperates with a first DC energy source and a second DC energy source, which may have different nominal voltages. The double ended inverter system includes an impedance source inverter subsystem configured to drive the AC electric traction motor using the first energy source, and an inverter subsystem configured to drive the AC electric traction motor using the second energy source. The double ended inverter system also utilizes a controller coupled to the impedance source inverter subsystem and to the inverter subsystem. The controller is configured to control the impedance source inverter subsystem and the inverter subsystem in accordance with a boost operating mode, a traditional inverter operating mode, and a recharge operating mode of the double ended inverter system.

Abstract translation: 提供适用于车辆的交流电动牵引电动机的双端逆变器系统。 双端逆变器系统与可能具有不同标称电压的第一DC能量源和第二DC能量源协作。 双端逆变器系统包括：阻抗源逆变器子系统，被配置为使用第一能量源驱动交流电力牵引电动机;以及逆变器子系统，被配置为使用第二能量源驱动交流电力牵引电动机。 双端逆变器系统还使用耦合到阻抗源逆变器子系统和逆变器子系统的控制器。 控制器配置为根据升压运行模式，传统逆变器工作模式和双端逆变器系统的充电操作模式控制阻抗源逆变器子系统和逆变器子系统。

公开(公告)号：US20110095713A1

公开(公告)日：2011-04-28

申请号：US12606839

申请日：2009-10-27

Applicant: YO CHAN SON ,  JIHOON JANG ,  BRIAN A. WELCHKO ,  NITINKUMAR R. PATEL ,  STEVEN E. SCHULZ

Inventor： YO CHAN SON ,  JIHOON JANG ,  BRIAN A. WELCHKO ,  NITINKUMAR R. PATEL ,  STEVEN E. SCHULZ

IPC: H02P6/20 ,  B60W20/00

CPC classification number: H02P6/20

Abstract: Methods and systems for controlling an electric motor are provided. The motor includes a plurality of windings. Each winding is coupled to a respective set of first and second switches. The first switch of each set of switches is simultaneously activated. Current flow through the plurality of windings is measured while the first switch of each set of switches is activated. The electric motor is controlled according to a first motor control method if the measured current is below a predetermined threshold. The electric motor is controlled according to a second motor control method if the measured current is above the predetermined threshold.

Abstract translation: 提供了用于控制电动机的方法和系统。 马达包括多个绕组。 每个绕组耦合到相应的一组第一和第二开关。 每组开关的第一个开关同时被激活。 当每组开关的第一开关被激活时，测量通过多个绕组的电流。 如果测量电流低于预定阈值，则根据第一电动机控制方法来控制电动机。 如果测量的电流高于预定阈值，则根据第二电动机控制方法来控制电动机。

公开(公告)号：US07768228B2

公开(公告)日：2010-08-03

申请号：US11853894

申请日：2007-09-12

Applicant: Lateef A. Kajouke ,  Brian A Welchko

Inventor： Lateef A. Kajouke ,  Brian A Welchko

IPC: H02P27/04

CPC classification number: H02M7/5387 ,  H02P27/08

Abstract: Methods and systems for converting direct current (DC) power to alternating current (AC) power are provided. A first phase of the AC power is generated based on a first carrier signal. A second phase of the AC power is generated based on a second carrier signal.

Abstract translation: 提供了将直流（DC）功率转换为交流（AC）功率的方法和系统。 基于第一载波信号产生交流电源的第一相。 基于第二载波信号产生交流电源的第二相。

公开(公告)号：US20100090625A1

公开(公告)日：2010-04-15

申请号：US12248186

申请日：2008-10-09

Applicant: JAMES M. NAGASHIMA ,  BRIAN A. WELCHKO

Inventor： JAMES M. NAGASHIMA ,  BRIAN A. WELCHKO

IPC: H02P3/14

CPC classification number: B60L50/00 ,  Y02T90/16

Abstract: An automotive system includes an electric motor, a direct current (DC) power supply coupled to the electric motor, a power converter including at least one conversion switch coupled between the electric motor and the DC power supply and a braking circuit coupled between the electric motor and the DC power supply, the braking circuit including a braking resistor and a braking switch, and a controller in operable communication with the electric motor, the DC power supply, the at least one conversion switch, and the braking switch. The controller is configured to operate the at least one conversion switch when the electric motor is mechanically actuated such that current flows from the electric motor to the DC power supply and selectively operate the braking switch when a braking parameter of the automotive system exceeds a predetermined threshold.

Abstract translation: 汽车系统包括电动机，耦合到电动机的直流（DC）电源，功率转换器，包括耦合在电动机和直流电源之间的至少一个转换开关和耦合在电动机之间的制动电路 以及所述直流电源，所述制动电路包括制动电阻器和制动开关，以及与所述电动机，所述直流电源，所述至少一个转换开关和所述制动开关可操作地通信的控制器。 控制器被配置为当电动机被机械致动时操作至少一个转换开关，使得当汽车系统的制动参数超过预定阈值时，电流从电动机流向直流电源并选择性地操作制动开关 。

公开(公告)号：US07679310B2

公开(公告)日：2010-03-16

申请号：US11923293

申请日：2007-10-24

Applicant: Steven E. Schulz ,  Brian A. Welchko ,  Silva Hiti

Inventor： Steven E. Schulz ,  Brian A. Welchko ,  Silva Hiti

IPC: H02P23/00

CPC classification number: 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

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20090210357A1

公开(公告)日：2009-08-20

申请号：US12429601

申请日：2009-04-24

Applicant: NIKOLA J. PUDAR ,  GEORGE R. WOODY ,  BRIAN A. WELCHKO ,  JONAS BEREISA ,  JONATHAN J. LAUCKNER ,  ANTHONY L. POSAWATZ

Inventor： NIKOLA J. PUDAR ,  GEORGE R. WOODY ,  BRIAN A. WELCHKO ,  JONAS BEREISA ,  JONATHAN J. LAUCKNER ,  ANTHONY L. POSAWATZ

IPC: G06F17/00 ,  G06F1/28 ,  G06F17/30 ,  G06N5/02

CPC classification number: B60L11/1842 ,  B60L11/1816 ,  B60L11/184 ,  B60L11/1844 ,  B60L11/1846 ,  B60L2240/62 ,  B60W2550/402 ,  G06Q50/06 ,  H02J3/008 ,  H02J7/0027 ,  H02J13/0062 ,  Y02B70/3216 ,  Y02B90/2638 ,  Y02E60/721 ,  Y02T10/6269 ,  Y02T10/7005 ,  Y02T10/7055 ,  Y02T10/7072 ,  Y02T10/7088 ,  Y02T10/7291 ,  Y02T90/121 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/16 ,  Y02T90/162 ,  Y02T90/163 ,  Y02T90/169 ,  Y04S10/126 ,  Y04S20/221 ,  Y04S30/14 ,  Y04S40/124 ,  Y04S50/10

Abstract: Methods and systems are provided for controlling the charging of onboard energy storage systems of a plurality of plug-in vehicles using a remote command center. A system for directing the charging of a plurality of remotely located plug-in vehicles is provided. The system includes a communication system configured to transmit charging authorizations to charge each of the plurality of plug-in vehicles and to receive data related to power consumption from each of the plurality of plug-in vehicles. The system also includes a controller communicatively coupled to the communication system and configured to receive the data related to power consumption and to direct the charge authorizations based thereon. A database is also included in the system and is communicatively coupled to the controller, with the database configured to store the data related to power consumption.

Abstract translation: 提供的方法和系统用于使用远程命令中心来控制多个插入式车辆的车载能量存储系统的充电。 提供了一种用于引导对多个远程位置的插入式车辆的充电的系统。 该系统包括通信系统，其被配置为传送计费授权以对多个插入式车辆中的每一个进行充电并且从多个插入式车辆中的每一个接收与功率消耗相关的数据。 该系统还包括通信地耦合到通信系统并被配置为接收与功率消耗相关的数据并基于其指导充电授权的控制器。 数据库还包括在系统中，并且通信地耦合到控制器，数据库被配置为存储与功耗有关的数据。

公开(公告)号：US07576500B2

公开(公告)日：2009-08-18

申请号：US11756349

申请日：2007-05-31

Applicant: Nitinkumar R. Patel ,  Mohammad N. Anwar ,  Silva Hiti ,  Brian A Welchko ,  Steven E. Schulz ,  Lisa M. Talarico

Inventor： Nitinkumar R. Patel ,  Mohammad N. Anwar ,  Silva Hiti ,  Brian A Welchko ,  Steven E. Schulz ,  Lisa M. Talarico

IPC: H02P1/00

CPC classification number: H02P27/08 ,  B60L2270/142 ,  H02M1/14 ,  Y02T10/642

Abstract: Methods and systems for operating a motor coupled to an electrical bus in a vehicle are provided. Selected resonant frequencies of the electrical bus are determined. The selected resonant frequencies include a low resonant frequency and a high resonant frequency. Power is provided to the motor through at least one switch operating at a switching frequency. The switching frequency is controlled as a function of a rate of operation of the motor. The function is characterized by one of a first substantially linear portion having a first slope when the switching frequency is less than or equal to a selected switching frequency and a second substantially linear portion having a second slope if the switching frequency is greater than the selected frequency, the selected switching frequency being greater than the low resonant frequency and a substantially linear portion having a y-intercept being greater than the low resonant frequency.

Abstract translation: 提供了用于操作耦合到车辆中的电气总线的马达的方法和系统。 确定电气总线的选定谐振频率。 所选择的谐振频率包括低谐振频率和高谐振频率。 通过至少一个以开关频率工作的开关将电力提供给电动机。 开关频率根据电机的运行速度进行控制。 该功能的特征在于当开关频率小于或等于所选择的开关频率时具有第一斜率的第一基本线性部分中的一个以及具有第二斜率的第二基本线性部分，如果开关频率大于所选择的频率 ，所选择的开关频率大于低谐振频率，并且具有大于低谐振频率的y截距的基本线性部分。

公开(公告)号：US20090033274A1

公开(公告)日：2009-02-05

申请号：US12110946

申请日：2008-04-28

Applicant: Milun PERISIC ,  Silva HITI ,  Brian A. WELCHKO ,  Sibaprasad CHAKRABARTI ,  James M. NAGASHIMA ,  Gregory S. SMITH ,  George JOHN

Inventor： Milun PERISIC ,  Silva HITI ,  Brian A. WELCHKO ,  Sibaprasad CHAKRABARTI ,  James M. NAGASHIMA ,  Gregory S. SMITH ,  George JOHN

IPC: H02P27/06 ,  H02P4/00

CPC classification number: H02P4/00 ,  B60L3/0046 ,  B60L11/005 ,  B60L11/14 ,  B60L11/1803 ,  B60L11/1868 ,  B60L11/1887 ,  B60L2210/40 ,  B60L2210/46 ,  B60L2220/58 ,  H02P25/22 ,  Y02T10/641 ,  Y02T10/642 ,  Y02T10/70 ,  Y02T10/7022 ,  Y02T10/7066 ,  Y02T10/7077 ,  Y02T10/7241 ,  Y02T90/34

Abstract: Systems and apparatus are provided for an inverter system for use in a vehicle having a first energy source and a second energy source. The inverter system comprises an electric motor having a first set of windings and a second set of windings. The inverter system further comprises a first inverter coupled to the first energy source and adapted to drive the electric motor, wherein the first set of windings are coupled to the first inverter. The inverter system also comprises a second inverter coupled to the second energy source and adapted to drive the electric motor, wherein the second set of windings are coupled to the second inverter. A controller is coupled to the first inverter and the second inverter to achieve desired power flow between the first energy source, the second energy source, and the electric motor.

Abstract translation: 为具有第一能量源和第二能量源的车辆中使用的逆变器系统提供系统和装置。 逆变器系统包括具有第一组绕组和第二组绕组的电动机。 逆变器系统还包括耦合到第一能量源并适于驱动电动机的第一逆变器，其中第一组绕组耦合到第一逆变器。 逆变器系统还包括耦合到第二能量源并适于驱动电动机的第二逆变器，其中第二组绕组耦合到第二逆变器。 控制器耦合到第一逆变器和第二逆变器，以在第一能量源，第二能量源和电动机之间实现期望的功率流。