公开(公告)号：US07426099B2

公开(公告)日：2008-09-16

申请号：US11480311

申请日：2006-06-29

申请人： Christophe Soudier ,  Bing Cheng ,  Steven J. Kowalec ,  Venkatapathi R. Nallapa ,  Richard J. Hampo

发明人： Christophe Soudier ,  Bing Cheng ,  Steven J. Kowalec ,  Venkatapathi R. Nallapa ,  Richard J. Hampo

IPC分类号： H02H7/08

CPC分类号： H02P29/02 ,  B60L3/0084 ,  B60L3/0092 ,  B60L3/04 ,  B60L3/12 ,  B60L11/1803 ,  B60W50/029 ,  B60W50/04 ,  G05B19/042 ,  G05B2219/24208 ,  G05B2219/2637 ,  H02P29/0241 ,  Y02T10/642 ,  Y02T10/7005 ,  Y02T10/7258 ,  Y02T90/16

摘要： A control system, method and article allows a monitoring module to monitor operation of a main controller in an electric drive, by providing questions and evaluating the accuracy and/or timeliness of responses from the main controller. Upon detection of an excessive number of incorrect or late responses, the monitoring module can shutdown operation, and may provide an alternative communications path, thereby preventing corrupt data from reaching a vehicle network, while providing communications for diagnostic and recovery such as by provision of new software or firmware instructions. The main controller may monitor the operation of the monitoring module, taking appropriate action if a fault is detected. Disabling a supply of power to a traction motor may be based on current operating conditions, such as speed.

摘要翻译： 控制系统，方法和物品允许监视模块通过提供问题并评估来自主控制器的响应的准确性和/或及时性来监控电驱动器中的主控制器的操作。 在检测到过多的不正确或迟到的响应时，监视模块可以关闭操作，并且可以提供备选的通信路径，从而防止损坏的数据到达车辆网络，同时提供用于诊断和恢复的通信，例如通过提供新的 软件或固件说明。 主控制器可以监视监控模块的操作，如果检测到故障，采取适当的措施。 禁用对牵引电动机的供电可以基于诸如速度的当前操作条件。

公开(公告)号：US20070016340A1

公开(公告)日：2007-01-18

申请号：US11480311

申请日：2006-06-29

申请人： Christophe Soudier ,  Bing Cheng ,  Steven Kowalec ,  Venkatapathi Nallapa ,  Richard Hampo

发明人： Christophe Soudier ,  Bing Cheng ,  Steven Kowalec ,  Venkatapathi Nallapa ,  Richard Hampo

IPC分类号： G06F19/00

CPC分类号： H02P29/02 ,  B60L3/0084 ,  B60L3/0092 ,  B60L3/04 ,  B60L3/12 ,  B60L11/1803 ,  B60W50/029 ,  B60W50/04 ,  G05B19/042 ,  G05B2219/24208 ,  G05B2219/2637 ,  H02P29/0241 ,  Y02T10/642 ,  Y02T10/7005 ,  Y02T10/7258 ,  Y02T90/16

摘要： A control system, method and article allows a monitoring module to monitor operation of a main controller in an electric drive, by providing questions and evaluating the accuracy and/or timeliness of responses from the main controller. Upon detection of an excessive number of incorrect or late responses, the monitoring module can shutdown operation, and may provide an alternative communications path, thereby preventing corrupt data from reaching a vehicle network, while providing communications for diagnostic and recovery such as by provision of new software or firmware instructions. The main controller may monitor the operation of the monitoring module, taking appropriate action if a fault is detected. Disabling a supply of power to a traction motor may be based on current operating conditions, such as speed.

摘要翻译： 控制系统，方法和物品允许监视模块通过提供问题并评估来自主控制器的响应的准确性和/或及时性来监测电驱动器中的主控制器的操作。 在检测到过多的不正确或迟到的响应时，监视模块可以关闭操作，并且可以提供备选的通信路径，从而防止损坏的数据到达车辆网络，同时提供用于诊断和恢复的通信，例如通过提供新的 软件或固件说明。 主控制器可以监视监控模块的操作，如果检测到故障，采取适当的措施。 禁用对牵引电动机的供电可以基于诸如速度的当前操作条件。

公开(公告)号：US09312800B2

公开(公告)日：2016-04-12

申请号：US14467455

申请日：2014-08-25

申请人： Ahmad Arshan Khan ,  Young Joo Lee ,  Bing Cheng ,  Hua Bai ,  Fei Yang ,  Allan Taylor

发明人： Ahmad Arshan Khan ,  Young Joo Lee ,  Bing Cheng ,  Hua Bai ,  Fei Yang ,  Allan Taylor

IPC分类号： H02P1/00 ,  H02P21/14

CPC分类号： H02P27/085 ,  H02P23/04 ,  H02P29/50

摘要： A system and method for controlling an interior permanent magnet synchronous motor (IPMSM) are presented. In an exemplary implementation, phase current ripple estimation techniques are utilized for variable frequency switching pulse-width modulation control of the IPMSM. In one implementation, the method includes controlling a three-phase inverter based on an initial switching frequency to generate a three-phase alternating current (AC) voltage for the IPMSM. Transformed voltages are determined in a rotating reference frame based on the three-phase AC voltage in the stationary reference frame. Current ripples are determined in the rotating reference frame based on the transformed voltages. Phase current ripples are determined in the stationary reference frame based on the current ripples in the rotating reference frame. A modified switching frequency for the three-phase inverter is determined based on the initial switching frequency and the phase current ripples. The three-phase inverter is then controlled based on the modified switching frequency.

摘要翻译： 提出了一种用于控制内部永磁同步电动机（IPMSM）的系统和方法。 在示例性实施例中，相电流纹波估计技术用于IPMSM的可变频率切换脉宽调制控制。 在一个实现中，该方法包括基于初始开关频率来控制三相逆变器以产生用于IPMSM的三相交流（AC）电压。 基于静止参考系中的三相交流电压，在旋转参考系中确定变压电压。 基于变换的电压，在旋转参考系中确定电流波纹。 基于旋转参考系中的电流波纹，在静止参考系中确定相电流纹波。 基于初始开关频率和相电流纹波确定三相逆变器的修改开关频率。 然后基于修改的开关频率来控制三相逆变器。

公开(公告)号：US20150032311A1

公开(公告)日：2015-01-29

申请号：US13952870

申请日：2013-07-29

申请人： Baiming Shao ,  Bing Cheng

发明人： Baiming Shao ,  Bing Cheng

IPC分类号： H02P6/08 ,  H02P6/14 ,  B60L15/02

CPC分类号： B60L15/025 ,  B60L11/14 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/427 ,  B60L2240/443 ,  B60L2240/526 ,  B60L2240/527 ,  B60L2240/529 ,  B60L2240/547 ,  H02M7/53871 ,  H02M2007/53876 ,  Y02T10/643 ,  Y02T10/70 ,  Y02T10/7077 ,  Y10S903/906

摘要： Techniques are presented for more efficient three-phase inverter control for electrified vehicles (EVs). The techniques can be executed by a controller of an EV that includes one or more processors. Specifically, the techniques include closed-loop discontinuous pulse-width modulation (DPWM) control of a three-phase inverter based on electric motor current feedback. The three-phase inverter control techniques can be further based on electric motor/rotor position feedback. Based on the feedback, the techniques can select one of a plurality of zero-voltage vectors in real-time. The selected zero-voltage vector can be used when generating duty cycles for switching of the three-phase inverter, which can result in decreased switching losses and increased efficiency of the three-phase inverter.

摘要翻译： 提出了用于电动车辆（EV）的更有效的三相逆变器控制的技术。 这些技术可以由包括一个或多个处理器的EV的控制器执行。 具体来说，这些技术包括基于电动机电流反馈的三相逆变器的闭环不连续脉宽调制（DPWM）控制。 三相逆变器控制技术可以进一步基于电动机/转子位置反馈。 基于反馈，这些技术可以实时地选择多个零电压矢量中的一个。 当产生用于三相逆变器的开关的占空比时，可以使用选择的零电压矢量，这可以导致开关损耗的降低和三相逆变器的效率的提高。

公开(公告)号：US08239154B2

公开(公告)日：2012-08-07

申请号：US12199940

申请日：2008-08-28

申请人： Bing Cheng

发明人： Bing Cheng

IPC分类号： G01C17/38

CPC分类号： B60L15/02 ,  G01D5/20 ,  G01D5/24476 ,  H02P6/16 ,  Y02T10/644 ,  Y02T10/645

摘要： A system and method for compensating a resolver are disclosed. Briefly described, one embodiment receives at least one output signal from the resolver, the resolver detecting a current position of a rotor coupled to the resolver; determines if the current position of the rotor is detected by a first pole-pair of the resolver or if the current position is detected by a second pole-pair of the resolver; in response to determining that the current position of the rotor is detected by the first pole-pair, synchronizes the output signal from the resolver with a first resolver angle error information; and in response to determining that the current position of the rotor is detected by the second pole-pair, synchronizes the output signal from the resolver with a second resolver angle error information.

摘要翻译： 公开了用于补偿旋转变压器的系统和方法。 简要描述，一个实施例从解算器接收至少一个输出信号，旋转变压器检测耦合到旋转变压器的转子的当前位置; 确定旋转变压器的第一极对是否检测到转子的当前位置，还是通过旋转变压器的第二极对检测当前位置; 响应于确定由第一极对检测转子的当前位置，使来自分解器的输出信号与第一解算角度误差信息同步; 并且响应于确定通过第二极对检测转子的当前位置，将来自分解器的输出信号与第二解算器角度误差信息同步。

公开(公告)号：US06472775B1

公开(公告)日：2002-10-29

申请号：US09683203

申请日：2001-11-30

申请人： Fengtai Huang ,  Bing Cheng

发明人： Fengtai Huang ,  Bing Cheng

IPC分类号： H02J102

CPC分类号： H02M1/12 ,  H02J3/01 ,  H02M7/53875 ,  Y02E40/40

摘要： In one embodiment, a harmonic feedback system is characterized by: a three-phase to two-phase transformer configured to convert an output fundamental frequency current from a distributed power system and to convert the output fundamental frequency current from a three-phase current to a two-phase stationary reference current; a harmonic frequency transformer configured to convert the two-phase stationary reference current to a synchronous reference current, said harmonic frequency transformer having a target synchronous reference frame frequency based upon a reference harmonic current of the output fundamental frequency current; at least one filter device configured to remove predetermined components from the synchronous reference current to output a harmonic feedback current; a summation component to compare the harmonic feedback current with the reference harmonic current and to output a harmonic error current for driving the distributed power system to produce the output current.

摘要翻译： 在一个实施例中，谐波反馈系统的特征在于：三相到二相变压器被配置为转换来自分布式电力系统的输出基频电流，并将输出基频电流从三相电流转换为 两相静止参考电流; 谐波变压器，其被配置为将所述两相固定基准电流转换为同步参考电流，所述谐波变压器基于所述输出基频电流的基准谐波电流具有目标同步参考帧频率; 至少一个滤波器装置，被配置为从所述同步参考电流中去除预定分量以输出谐波反馈电流; 将谐波反馈电流与参考谐波电流进行比较，并输出用于驱动分布式电力系统产生输出电流的谐波误差电流的求和分量。

公开(公告)号：US20130276279A1

公开(公告)日：2013-10-24

申请号：US13452481

申请日：2012-04-20

申请人： Bing Cheng

发明人： Bing Cheng

IPC分类号： B25B27/14 ,  B23P11/00

CPC分类号： B25B27/023 ,  B25B27/062 ,  B25B27/14 ,  Y10T29/53796 ,  Y10T29/53848

摘要： A device to remove a metal servo horn in an efficient way by utilizing the lifting force to separate servo horn from a servo output shaft when screw is rotated counter-clockwise and hits against the concave of lower surface of upper front plate of the device. Clamping force provided by two fastening members combines the device and servo horn into one integrated unit to avoid the distortion of open end of the device when lifting force is greater than rigidity of the device. When a lifting force for removing the integrated unit is applied in direction opposite to installing direction of servo horn, it overcomes the friction between the inner splines of servo horn and the outer splines of servo output shaft then separates both splines. The removal of the servo horn from the servo output shaft is achieved.

摘要翻译： 当螺钉逆时针旋转并撞击装置的上前板的下表面的凹面时，通过利用提升力将伺服喇叭与伺服输出轴分离，以有效的方式移除金属伺服喇叭的装置。 由两个紧固件提供的夹持力将装置和伺服喇叭组合成一个集成单元，以避免当提升力大于装置的刚度时装置的开口端的变形。 当用于拆卸集成单元的提升力沿与伺服喇叭的安装方向相反的方向施加时，它克服了伺服喇叭的内花键与伺服输出轴的外花键之间的摩擦力，然后分离了两个花键。 实现了从伺服输出轴上卸下伺服喇叭。

公开(公告)号：US06927988B2

公开(公告)日：2005-08-09

申请号：US10447708

申请日：2003-05-28

申请人： Bing Cheng ,  Kent M. Harmon

发明人： Bing Cheng ,  Kent M. Harmon

IPC分类号： G01R31/26 ,  G01R31/30 ,  H02H7/122

CPC分类号： G01R31/42 ,  B60L3/003 ,  H02P27/06 ,  H02P29/02 ,  Y02T10/642

摘要： A method for diagnosing faults using a load. In the method IGBTs are controlled such that certain currents are expected. If the currents are not as expected, a fault may be diagnosed.

摘要翻译： 一种使用负载诊断故障的方法。 在该方法中，控制IGBT以使得预期某些电流。 如果电流不符合预期，可能会诊断出故障。

公开(公告)号：US06894450B2

公开(公告)日：2005-05-17

申请号：US10346724

申请日：2003-01-16

申请人： Bing Cheng ,  Duo Deng ,  Fengtai Huang

发明人： Bing Cheng ,  Duo Deng ,  Fengtai Huang

IPC分类号： H02P1/18 ,  H02P1/46 ,  H02P6/06 ,  H02P25/02

CPC分类号： H02P6/06 ,  H02P25/03

摘要： Circuits and methods for use with an integrated circuit chip having internal back EMF estimation to control a permanent magnet synchronous motor includes an AC current feedback circuit, a scaling circuit, and a current regulator. Additionally, a speed regulator may be employed. In one embodiment, during operation at very low speed, the speed regulator is in an open loop control mode due to a back EMF detection limitation of the IC chip, and only the current regulator is active. A feedback current signal, together with a user-defined command current signal, serves the input of the current regulator, which controls the AC motor current and drives the motor speed from standstill. Once the motor speed reaches a certain level, the measured back EMF from the IC chip is sufficient to estimate the motor speed, which is compared with a user-defined command speed, and an error of the these two signals provides the input of a speed regulator.

摘要翻译： 与具有用于控制永磁同步电动机的内部反电动势估计的集成电路芯片一起使用的电路和方法包括AC电流反馈电路，缩放电路和电流调节器。 另外，可以采用速度调节器。 在一个实施例中，在以非常低的速度操作期间，由于IC芯片的反电动势检测限制，速度调节器处于开环控制模式，并且仅电流调节器有效。 反馈电流信号连同用户定义的指令电流信号一起用于电流调节器的输入，电流调节器控制交流电动机电流并驱动电机速度停止。 一旦电机速度达到一定水平，来自IC芯片的测量的反电动势足以估计电机速度，这与用户定义的指令速度进行比较，并且这两个信号的误差提供了速度的输入 调节器

公开(公告)号：US06492789B2

公开(公告)日：2002-12-10

申请号：US09900765

申请日：2001-07-06

申请人： Bing Cheng

发明人： Bing Cheng

IPC分类号： H02P146

CPC分类号： H02P9/08 ,  F02N11/08

摘要： A method and apparatus for controlling a permanent magnet synchronous motor (8) coupled to a turbo engine such that transient current and steady state current are minimized. The method comprises the steps of, for a given DC bus voltage, determining an acceleration profile as a function of a voltage-offset value, a low-speed rated speed value, a high-speed rated speed value, a first desired speed for warming up the turbo engine, and a second desired speed where the turbo engine has sufficient torque to accelerate to its rated speed without the aid of the permanent magnet synchronous motor (8).