METHOD AND APPARATUS FOR AUTO-TUNING AN ELECTRIC MACHINE CURRENT REGULATOR
    2.
    发明申请
    METHOD AND APPARATUS FOR AUTO-TUNING AN ELECTRIC MACHINE CURRENT REGULATOR 有权
    自动调谐电机电流调节器的方法和装置

    公开(公告)号:US20160181961A1

    公开(公告)日:2016-06-23

    申请号:US14581829

    申请日:2014-12-23

    CPC classification number: H02P21/14

    Abstract: In one example embodiment, a motor control unit includes a processor configured to tune a current regulator regulating a supply of electrical current to an electric motor by determining a plurality of variables, the plurality of variables including a stator resistance value, a first inductance value and a second inductance value, the stator resistance value being a resistance value of a stator of the electric motor, the first inductance value being a d-axis inductance of the electric motor and the second inductance value being a q-axis inductance of the electric motor. The processor is further configured to tune the current regulator by determining a plurality of gains based on the determined plurality of variables and generating current commands for operating the electric motor based on the determined plurality of gains.

    Abstract translation: 在一个示例性实施例中,电动机控制单元包括处理器,其被配置为通过确定多个变量来调节调节向电动机供电的电流调节器,所述多个变量包括定子电阻值,第一电感值和 第二电感值,定子电阻值是电动机的定子的电阻值,第一电感值是电动机的d轴电感,第二电感值是电动机的q轴电感 。 处理器还被配置为通过基于所确定的多个变量确定多个增益来调整电流调节器,并且基于所确定的多个增益产生用于操作电动机的电流命令。

    Method and controller for an electric motor with switch testing
    3.
    发明授权
    Method and controller for an electric motor with switch testing 有权
    具有开关测试的电动机的方法和控制器

    公开(公告)号:US09291678B2

    公开(公告)日:2016-03-22

    申请号:US13484947

    申请日:2012-05-31

    Abstract: For each phase of a controller, a pair of semiconductor switches comprises a high side switch and a low side switch. A direct current voltage bus provides electrical energy to the semiconductor switches at a test voltage level less than a full operational voltage level. A measuring circuit is adapted to measure the direct current bus voltage. A data processor determines that a deficiency in a tested, related semiconductor switch is present if the measured direct current bus voltage decreases or collapses upon activation of a particular semiconductor switch in the same phase of the controller, or if other sequential test results indicate a deficiency. If the deficiency in the related semiconductor switch is present the processor may prevent the voltage supply from providing the full operational voltage to the direct current data bus to prevent damage to the motor or the controller, for example.

    Abstract translation: 对于控制器的每个相,一对半导体开关包括高侧开关和低侧开关。 直流电压总线在小于全工作电压电平的测试电压电平下向半导体开关提供电能。 测量电路适用于测量直流母线电压。 如果测量的直流母线电压在控制器的相同阶段激活特定半导体开关时降低或崩溃,或者如果其他顺序测试结果表明不足,则数据处理器确定存在测试的相关半导体开关中的缺陷 。 如果存在相关半导体开关的缺陷,则处理器可以防止电压供应向直流数据总线提供完整的操作电压,以防止例如对电动机或控制器的损坏。

    Drive systems including sliding mode observers and methods of controlling the same
    5.
    发明授权
    Drive systems including sliding mode observers and methods of controlling the same 有权
    驱动系统包括滑模观测器和控制方法

    公开(公告)号:US09088241B2

    公开(公告)日:2015-07-21

    申请号:US13410792

    申请日:2012-03-02

    CPC classification number: H02P21/13

    Abstract: At least one example embodiment discloses a drive system including a motor including a rotor, the motor configured to receive a measured current, a controller configured to generate a voltage command for the motor, a sliding mode observer configured to determine an estimated current for the motor based on the voltage command, determine a difference between the measured current and the estimated current, and determine a switching control vector and an estimator configured to estimate a rotor position based on the switching control vector, the switching control vector being determined based on the difference and adaptive parameters of the sliding mode observer, the controller being further configured to control the motor based at least in part on the estimated rotor position.

    Abstract translation: 至少一个示例性实施例公开了一种驱动系统,其包括电动机,该电动机包括转子,所述电动机被配置为接收测量的电流;被配置为产生电动机的电压指令的控制器;配置成确定电动机的估计电流的滑动模式观察器 基于所述电压指令,确定所测量的电流与所述估计电流之间的差,并且确定用于基于所述切换控制矢量来估计转子位置的开关控制矢量和估计器,所述切换控制矢量基于所述差异 以及所述滑动模式观察者的自适应参数,所述控制器还被配置为至少部分地基于所估计的转子位置来控制所述电动机。

    Method and system for calibrating rotor position offset of an electric motor
    6.
    发明授权
    Method and system for calibrating rotor position offset of an electric motor 有权
    校准电动机转子位置偏移的方法和系统

    公开(公告)号:US08853979B2

    公开(公告)日:2014-10-07

    申请号:US13169429

    申请日:2011-06-27

    Inventor: Long Wu Robert Shaw

    CPC classification number: H02P6/20 H02P21/16 H02P21/32 H02P21/34

    Abstract: While enforcing a fake position in the data processing system and applying a zero direct-axis current command, positive and negative quadrature-axis current commands are applied sequentially and at approximately same magnitude to urge the rotor toward an enforced position. A processing module measures a positive quadrature-axis current aligned raw position data after application of the positive quadrature-axis current command and measures negative quadrature-axis current aligned raw position data for the rotor after application of the negative quadrature-axis command. An initial position offset calibrator or data processor determines a difference between the raw position data to determine an alignment of a true averaging axis. An initial position offset calibrator or data processor determines a raw averaging axis position data based on an average of the raw position data. An initial position offset calibrator or data processor determines a position offset based on a difference between the determined true averaging axis and the determined raw averaging axis position data.

    Abstract translation: 当在数据处理系统中执行伪造位置并应用零直轴电流指令时,顺时针和大致相同的幅度施加正和负的正交轴电流指令,以将转子推向强制位置。 在施加正正交轴电流指令之后,处理模块测量正正交轴电流对准原始位置数据,并在施加负正交轴命令之后测量转子的负正交轴电流对准原始位置数据。 初始位置偏移校准器或数据处理器确定原始位置数据之间的差异以确定真实平均轴的对准。 初始位置偏移校准器或数据处理器基于原始位置数据的平均值来确定原始平均轴位置数据。 初始位置偏移校准器或数据处理器基于所确定的真实平均轴与所确定的原始平均轴位置数据之间的差异来确定位置偏移。

    Method and system for determining a position of a rotor of an electric motor with noise reduction
    7.
    发明授权
    Method and system for determining a position of a rotor of an electric motor with noise reduction 有权
    用于确定具有降噪的电动机转子位置的方法和系统

    公开(公告)号:US08796983B2

    公开(公告)日:2014-08-05

    申请号:US13169495

    申请日:2011-06-27

    Inventor: Long Wu Robert Shaw

    CPC classification number: H02P21/145 H02P6/20 H02P21/16

    Abstract: A data storage device stores previous position readings of the rotor for a previous cycle of a pulse width modulation signal applied to the motor. A current raw position reading for the current cycle is received. A predicted position reading for a current cycle is determined based on at least one of the stored previous position readings of the previous cycle. A data processor determines whether a difference between the current raw position reading and the predicted position reading for a first mode and a second mode is within one or more preset thresholds. The data processor selects the current raw position reading as a verified reliable final position reading if a first difference for the first mode is equal to or less than a primary preset threshold or if a second difference for the second mode is equal to or less than a secondary preset threshold.

    Abstract translation: 数据存储装置存储施加到电动机的脉冲宽度调制信号的前一周期的转子的先前位置读数。 接收当前周期的当前原始位置读数。 基于先前循环的存储的先前位置读数中的至少一个来确定当前周期的预测位置读数。 数据处理器确定当前原始位置读取与第一模式和第二模式的预测位置读取之间的差是否在一个或多个预设阈值内。 如果第一模式的第一差等于或小于主预设阈值,或者如果第二模式的第二差等于或小于第一模式,则数据处理器将当前原始位置读取选择为经验证的可靠最终位置读数 次级预设阈值。

    RECOMBINANT THERMOTOLERANT YEAST WITH A SUBSTITUTE HEAT SHOCK PROTEIN 104 PROMOTER
    8.
    发明申请
    RECOMBINANT THERMOTOLERANT YEAST WITH A SUBSTITUTE HEAT SHOCK PROTEIN 104 PROMOTER 有权
    重组热稳定剂与替代热休克蛋白104促进剂

    公开(公告)号:US20140073054A1

    公开(公告)日:2014-03-13

    申请号:US13610015

    申请日:2012-09-11

    CPC classification number: C12N15/81 C07K14/395 C12P7/06 Y02E50/17

    Abstract: The invention provides a yeast strain and a method for making the same. The method has the step of replacing the regulation region upstream of the hsp104 gene in the genome of the yeast, so as to accelerate and prolong the expression span of hsp104 gene and enhance the capability of the yeast to ferment and produce ethanol in a high-temperature environment. The yeast is capable of fermenting glucose at a temperature higher than 42° C. to produce ethanol, or biomass ethanol, wherein the ethanol production ratio based on fermentation of glucose is higher than 97%. Being able to synchronize the degradation/hydrolysis stage and fermentation stage of biomass ethanol producing process, the yeast in accordance with the present invention is able to lower the production cost of biomass ethanol and further raise the productivity with its high ethanol production ratio.

    Abstract translation: 本发明提供酵母菌株及其制备方法。 该方法具有代替酵母基因组中hsp104基因上游调节区的步骤,加速并延长了hsp104基因的表达量,提高了酵母发酵和生产乙醇的能力, 温度环境。 酵母能够在高于42℃的温度下发酵葡萄糖以生产乙醇或生物质乙醇,其中基于葡萄糖发酵的乙醇生产比高于97%。 能够使生物质乙醇生产工艺的降解/水解阶段和发酵阶段同步,根据本发明的酵母能够降低生物质乙醇的生产成本,并且以高乙醇生产比进一步提高生产率。

    Sliding module for electronic device
    9.
    发明授权
    Sliding module for electronic device 有权
    电子设备滑动模块

    公开(公告)号:US08553402B2

    公开(公告)日:2013-10-08

    申请号:US13176334

    申请日:2011-07-05

    Abstract: A sliding module includes a first section, a second section, a sliding member, a rotary plate, and at least one elastic member. The sliding member is slidably engaged with the second section, and is rotatably connected to the first section. The rotary plate is respectively rotatably connected to the first section and the second section. One end of the at least one elastic member is fixed to the second section, and the other end is fixed to the sliding member. When the sliding member slides relative to the second section, the rotary plate rotates relative to the second section and causes the first section to move and rotate relative to the second section in a tilted orientation.

    Abstract translation: 滑动模块包括第一部分,第二部分,滑动部件,旋转板和至少一个弹性部件。 滑动构件与第二部分可滑动地接合,并且可旋转地连接到第一部分。 旋转板分别可旋转地连接到第一部分和第二部分。 至少一个弹性构件的一端固定到第二区段,另一端固定在滑动构件上。 当滑动构件相对于第二部分滑动时,旋转板相对于第二部分旋转,并使第一部分以倾斜的方向相对于第二部分移动和旋转。

    Method and system controlling an electrical motor with temperature compensation
    10.
    发明授权
    Method and system controlling an electrical motor with temperature compensation 有权
    温度补偿方法和系统控制电机

    公开(公告)号:US08547045B2

    公开(公告)日:2013-10-01

    申请号:US13169407

    申请日:2011-06-27

    Inventor: Long Wu Robert Shaw

    CPC classification number: H02P7/285 H02P21/141 H02P29/662

    Abstract: A temperature estimation module estimates a change in temperature of the magnets associated with the rotor of the motor based on an operational magnetic flux strength that is compared to a reference magnetic flux strength determined at a known ambient temperature and for a predetermined operating range of the motor The temperature estimation module or the system establishes a relationship between the estimated change in the temperature and a magnetic torque component of a target output torque of the motor consistent with the predetermined operating range. The current adjustment module or the system adjusts a command (e.g., quadrature-axis current command) for the motor to compensate for shaft torque variation associated with the estimated change in the temperature in conformance with the established relationship.

    Abstract translation: 温度估计模块基于与在已知环境温度下确定的参考磁通强度和电动机的预定操作范围相比较的操作磁通强度来估计与电动机的转子相关联的磁体的温度变化 温度估计模块或系统建立与预定工作范围一致的估计的温度变化与电动机的目标输出转矩的磁转矩分量之间的关系。 电流调节模块或系统调整电动机的指令(例如,正交轴电流指令),以补偿与所建立的关系一致的估计的温度变化相关的轴转矩变化。

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