公开(公告)号：US20150120130A1

公开(公告)日：2015-04-30

申请号：US14514957

申请日：2014-10-15

Applicant: General Electric Company

Inventor： Ronghui ZHOU ,  Jian ZHOU ,  Fei LI ,  Xi LU ,  Fengcheng SUN ,  Xiangming SHEN ,  Hai QIU ,  Pengju KANG

IPC: G05B9/03

CPC classification number: B60L3/12 ,  B60L1/003 ,  B60L3/0084 ,  B60L3/04 ,  B60L11/005 ,  B60L15/20 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/425 ,  B60L2240/427 ,  B60L2240/429 ,  B60L2250/26 ,  Y02T10/645 ,  Y02T10/7022 ,  Y02T10/72 ,  Y02T10/7275

Abstract: A system includes a contactor system, a vehicle control unit, and a fault diagnostic system. The contactor system includes one or more contactors. The vehicle control unit is coupled to the contactor system via a first connection and a second connection. The vehicle control unit is configured to provide a controlling signal to the contactor system through at least one of the first connection and the second connection to control the one or more contactors. The fault diagnostic system is configured to identify faults occurring in the first connection and the second connection. A method is also provided.

Abstract translation: 系统包括接触器系统，车辆控制单元和故障诊断系统。 接触器系统包括一个或多个接触器。 车辆控制单元经由第一连接和第二连接耦合到接触器系统。 车辆控制单元被配置为通过第一连接和第二连接中的至少一个向接触器系统提供控制信号，以控制一个或多个接触器。 故障诊断系统被配置为识别在第一连接和第二连接中发生的故障。 还提供了一种方法。

公开(公告)号：US20130099590A1

公开(公告)日：2013-04-25

申请号：US13659284

申请日：2012-10-24

Applicant: General Electric Company

Inventor： Tao Ma ,  Xi LU ,  Yimeng SHI ,  Pengcheng ZHU ,  Garron Koch MORRIS ,  Juan Antonio SABATE ,  Jeffrey Neal SLOTNICK ,  Wesley Michael SKEFFINGTON ,  Margaret Ann WIZA

IPC: H02M3/335 ,  H02J17/00

CPC classification number: H02M3/3388 ,  H02M2001/0003 ,  Y02B70/1433

Abstract: A resonant power supply is provided. The resonant power supply comprises a series resonant converter configured to convert an input DC voltage to an output DC voltage to generate an output DC voltage. The series resonant converter includes a switching stage, a resonant inductor, a resonant capacitor, and an isolation transformer. The resonant power supply further comprises a converter controller configured to obtain an actual trajectory radius signal based on a resonant inductor current, a resonant capacitor voltage, and a voltage in association with the isolation transformer. The converter controller is further configured to generate a trajectory radius command signal based on a DC voltage command signal and a DC voltage feedback signal, and to generate control signals to be applied to the switching stage based on the actual trajectory radius signal and the trajectory radius command signal.

Abstract translation: 提供谐振电源。 谐振电源包括串联谐振转换器，其被配置为将输入DC电压转换为输出DC电压以产生输出DC电压。 串联谐振变换器包括开关级，谐振电感，谐振电容和隔离变压器。 谐振电源还包括转换器控制器，其被配置为基于谐振电感器电流，谐振电容器电压和与隔离变压器相关联的电压获得实际的轨迹半径信号。 转换器控制器还被配置为基于直流电压指令信号和直流电压反馈信号产生轨迹半径指令信号，并且基于实际轨迹半径信号和轨迹半径产生要施加到切换级的控制信号 命令信号。

公开(公告)号：US20130099788A1

公开(公告)日：2013-04-25

申请号：US13659337

申请日：2012-10-24

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Fei XU ,  Tao MA ,  Xi LU ,  Xinhui WU ,  Yimeng SHI ,  Pengcheng ZHU ,  Garron Koch MORRIS ,  Juan Antonio SABATE ,  Jeffrey Neal SLOTNICK

IPC: G01R1/30 ,  H02M7/44 ,  G01R33/341

CPC classification number: G01R33/3852 ,  H02M3/3376 ,  Y02B70/1433

Abstract: A gradient amplifier for driving a gradient coil is disclosed. The gradient amplifier includes a direct current (DC) bus for receiving DC voltage generated from a series resonant converter, an inverter coupled to the DC bus configured to receive the DC voltage at the DC bus and convert the DC voltage to generate an output voltage to be applied to the gradient coil, and an inverter controller coupled to the inverter. The inverter controller is configured to generate control signals to control operation of the inverter based at least on a DC voltage feedback signal measured at the DC bus, an output voltage feedback signal measured at the output of the inverter, and a reference output voltage signal indicative of a desired voltage to be achieved at the output of the inverter.

Abstract translation: 公开了一种用于驱动梯度线圈的梯度放大器。 梯度放大器包括用于接收从串联谐振转换器产生的直流电压的直流（DC）总线，耦合到DC总线的反相器，其被配置为在DC总线处接收DC电压并转换DC电压以产生输出电压 施加到梯度线圈，以及连接到逆变器的逆变器控制器。 逆变器控制器被配置为产生控制信号，以至少基于在DC总线处测量的DC电压反馈信号，在逆变器的输出处测量的输出电压反馈信号和指示的参考输出电压信号来控制逆变器的操作 具有在逆变器的输出端要实现的期望电压。

公开(公告)号：US20130099787A1

公开(公告)日：2013-04-25

申请号：US13659311

申请日：2012-10-24

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Xi LU ,  Tao MA ,  Yimeng SHI ,  Pengcheng ZHU ,  Garron Koch MORRIS ,  Juan Antonio SABATE ,  Jeffrey Neal SLOTNICK ,  Wesley Michael SKEFFINGTON ,  Margaret Ann WIZA

IPC: H02M3/335 ,  G01R33/341

CPC classification number: H02M3/3376 ,  H02M1/32 ,  H02M2001/0058 ,  Y02B70/1433 ,  Y02B70/1491

Abstract: A resonant power supply is disclosed. The resonant power supply includes a series resonant configured to convert an input DC voltage to an output DC voltage. The resonant power supply further comprises a converter controller coupled to the series resonant converter and configured to receive a DC voltage feedback signal measured at the output of the series resonant converter, or a resonant current feedback signal representing a resonant current flowing through the series resonant converter. The converter controller is further configured to generate control signals to be applied to the series resonant converter to limit the output DC voltage of the series resonant converter according to the DC voltage feedback signal and a predetermined voltage threshold signal, or to limit the resonant current of the series resonant converter according to the resonant current feedback signal and a predetermined current threshold signal.

Abstract translation: 公开了一种谐振电源。 谐振电源包括被配置为将输入DC电压转换为输出DC电压的串联谐振。 谐振电源还包括耦合到串联谐振转换器并被配置为接收在串联谐振转换器的输出处测量的DC电压反馈信号的转换器控制器，或表示流过串联谐振转换器的谐振电流的谐振电流反馈信号 。 转换器控制器还被配置为产生要施加到串联谐振转换器的控制信号，以根据直流电压反馈信号和预定电压阈值信号来限制串联谐振变换器的输出直流电压，或限制串联谐振变换器的谐振电流 所述串联谐振变换器根据所述谐振电流反馈信号和预定电流阈值信号。

公开(公告)号：US20150081152A1

公开(公告)日：2015-03-19

申请号：US14487731

申请日：2014-09-16

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Xi LU ,  Fei LI ,  Jian ZHOU ,  Hai QIU ,  Ronghui ZHOU ,  Xiangming SHEN ,  Fengcheng SUN

IPC: B60L11/18 ,  H02P3/14 ,  H02P6/00 ,  B60L7/16

CPC classification number: H02P3/14 ,  B60L7/16 ,  B60L50/50 ,  B60L50/51 ,  B60L58/10 ,  H02P6/34 ,  Y02T10/644 ,  Y02T10/7005 ,  Y02T10/7275

Abstract: The present invention discloses an apparatus comprising an energy source, a first motor, a second motor and a control system. The first motor is configured to drive a first load and the second motor is configured to drive a second load. The control system is coupled to the energy source, the first and the second motors. The control system dumps the baking power generated by the first load at least partially on the first motor according to a first baking command. The control system dumps the baking power generated by the second load at least partially on the second motor, according to a second baking command. The present invention also discloses other varieties of apparatuses, vehicles, such as electric tractors, electric forklifts and relative methods, etc.

Abstract translation: 本发明公开了一种包括能量源，第一电动机，第二电动机和控制系统的装置。 第一电动机被配置为驱动第一负载，并且第二电动机被配置为驱动第二负载。 控制系统耦合到能量源，第一和第二电动机。 控制系统根据第一烘烤命令将由第一负载产生的烘烤功率至少部分地倾倒在第一电动机上。 根据第二烘烤命令，控制系统至少部分地将由第二负载产生的烘烤功率转储到第二电动机上。 本发明还公开了其他各种装置，车辆，如电动拖拉机，电动叉车和相关方法等。