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1. 发明授权

US07042189B2 Controlling an electric motor 有权
公开(公告)号：US07042189B2
公开(公告)日：2006-05-09
申请号：US10136043
申请日：2002-04-30
申请人： Syed A. Hossain , Iqbal Husain , Bruno P. B. Lequesne , Avoki M. Omekanda , Harald Klode
发明人： Syed A. Hossain , Iqbal Husain , Bruno P. B. Lequesne , Avoki M. Omekanda , Harald Klode
IPC分类号： H02P5/28
CPC分类号： H02P6/08
摘要： In one method for controlling an electric motor, current turn-on and turn-off rotor-position angles for each motor phase are chosen to substantially maximize the absolute value of average motor torque when the motor is operating in two different quadrants of motor torque and motor speed. The first quadrant has positive motor torque and positive motor speed. The second quadrant has negative torque and positive speed. The third quadrant has negative torque and negative speed. The fourth quadrant has positive torque and negative speed. In another method, the motor is operated in at least one of the first and third quadrants and in at least one of the second and fourth quadrants, wherein the absolute value of motor speed is limited when the motor is operating in the first or third quadrants but not in the second or fourth quadrants. In one example, the motor operates a vehicle brake caliper.

2. 发明授权

US06982537B2 Identification of parameters for switched reluctance electric machines 有权
标题翻译：开关磁阻电机参数识别
公开(公告)号：US06982537B2
公开(公告)日：2006-01-03
申请号：US10404420
申请日：2003-03-31
申请人： Mohammad S. Islam , Sayeed A. Mir , Tomy Sebastian , Iqbal Husain
发明人： Mohammad S. Islam , Sayeed A. Mir , Tomy Sebastian , Iqbal Husain
IPC分类号： H02P1/46
CPC分类号： B62D5/046 , H02P21/16
摘要： Disclosed herein is a method for parameter identification in a switched reluctance electric machine comprising: operating the switched reluctance electric machine in response to a desired command; and measuring an actual operating characteristic of the switched reluctance electric machine. The method also includes: modeling the switched reluctance electric machine to formulate an estimated operating characteristic based on the desired command; comparing the actual operating characteristic and the estimated operating characteristic to formulate an error there between; and determining a parameter estimate for the switched reluctance machine based on the error and a previous parameter estimate. Also disclosed herein is a system for estimating a parameter for a switched reluctance electric machine comprising: a switched reluctance electric machine including a sensor generating and transmitting a sensor signal indicative of a sensed characteristic; and a controller operatively coupled to the sensors executing the abovementioned methodology.
摘要翻译：本文公开了一种开关磁阻电机中的参数识别方法，包括：响应于所需命令操作开关磁阻电机; 并测量开关磁阻电机的实际工作特性。该方法还包括：对开关磁阻电机进行建模，以根据期望的指令制定估计的工作特性; 比较实际工作特性和估计的工作特性，以制定其间的误差; 以及基于所述误差和先前的参数估计来确定所述开关磁阻电机的参数估计。本文还公开了一种用于估计开关磁阻电机的参数的系统，包括：开关磁阻电机，其包括产生和发送指示感测特性的传感器信号的传感器; 以及可操作地耦合到执行上述方法的传感器的控制器。

3. 发明授权

US4778336A Cutter pump subassembly 失效
标题翻译：切割泵组件
公开(公告)号：US4778336A
公开(公告)日：1988-10-18
申请号：US071626
申请日：1987-07-09
申请人： Iqbal Husain
发明人： Iqbal Husain
IPC分类号： F04D7/04 , F04D7/02
CPC分类号： F04D7/045
摘要： An improved cutter pump subassembly for use in a centrifugal pump adapted for chopping and pumping an influent liquid containing solids is disclosed. In such a cutter pump, a suction inlet, discharge outlet, means for driving an impeller and a cutter pump subassembly are provided. The improved cutter pump subassembly comprises a housing, an impeller and a stationary cutter. The housing defines a pump chamber and contains the impeller. The housing also contains a centrally located suction aperture that receives the influent liquid and a spiral channel that conducts the liquid out of the housing. The impeller has a shroud and impeller vanes and is rotatably driven by the means for driving an impeller. The impeller vanes each have an outer circumferential end and an inner shearing edge. The stationary cutter is secured adjacent the suction aperture. The cutter has teeth each having at least one blade. The blades cooperate with the impeller vane shearing edges to cut solids contained in the influent liquid during rotation of the impeller.
摘要翻译：公开了一种用于离心泵的改进的切割泵子组件，其适于剁碎和泵送含有固体的流入液体。在这种切割泵中，提供吸入口，排出口，用于驱动叶轮的装置和切割泵子组件。改进的切割泵子组件包括壳体，叶轮和固定切割器。壳体限定泵室并且包含叶轮。壳体还包含一个居中定位的吸入孔，其接收流入液体和将液体导出壳体的螺旋通道。叶轮具有护罩和叶轮叶片，并且由用于驱动叶轮的装置可旋转地驱动。叶轮叶片各自具有外周端和内剪切边。固定刀具固定在吸入孔附近。刀具具有各自具有至少一个刀片的齿。叶片与叶轮叶片剪切边缘配合以在叶轮旋转期间切割包含在流入液体中的固体。

4. 发明授权

US08810188B2 Position estimation at starting and lower speeds in three-phase switched reluctance machines 有权
标题翻译：三相开关磁阻电机的起动和低速位置估计
公开(公告)号：US08810188B2
公开(公告)日：2014-08-19
申请号：US12614732
申请日：2009-11-09
申请人： Iqbal Husain , Gregory Pasquesoone
发明人： Iqbal Husain , Gregory Pasquesoone
IPC分类号： H02P1/46
CPC分类号： H02P25/0925
摘要： Provided is a method of indirect position estimation in three-phase switched reluctance machines. The method may comprise providing a three-phase switched reluctance machine. A three-phase switched reluctance machine may comprise a rotor and three phases. The method may further comprise producing data about the machine, setting threshold current values for at least a first phase; and sensing rotor position. Sensing rotor position may comprise applying a sensing pulse voltage sufficient to induce a pulse current having some maximum amperage in the first phase, determining the amplitude of the maximum amperage of said pulse current with respect to the thresholds for the first phase, and determining the sector of the rotor based upon the amplitude of the maximum amperage of the pulse current in the first phase.
摘要翻译：提供了一种在三相开关磁阻电机中进行间接位置估计的方法。该方法可以包括提供三相开关磁阻电机。三相开关磁阻电机可以包括转子和三相。该方法还可以包括产生关于机器的数据，设置至少第一阶段的阈值电流值; 并感测转子位置。感测转子位置可以包括施加足以在第一阶段中具有一些最大电流强度的脉冲电流的感测脉冲电压，相对于第一阶段的阈值确定所述脉冲电流的最大电流强度的幅度，以及确定所述扇区基于第一相中的脉冲电流的最大电流强度的幅度。

5. 发明授权

US06801012B1 Sensorless control of switched reluctance electric machines 有权
标题翻译：开关磁阻电机的无传感器控制
公开(公告)号：US06801012B1
公开(公告)日：2004-10-05
申请号：US10404421
申请日：2003-03-31
申请人： Mohammad S. Islam , Sayeed A. Mir , Tomy Sebastian , Iqbal Husain
发明人： Mohammad S. Islam , Sayeed A. Mir , Tomy Sebastian , Iqbal Husain
IPC分类号： H02P146
CPC分类号： H02P25/089
摘要： A system and methodology for control of a switched reluctance electric machine comprising: a switched reluctance electric machine including a sensor generating and transmitting a sensor signal indicative of an operating characteristic; a controller operatively coupled to the switched reluctance motor and the sensor; and the controller executing a method. The method comprises: probing a selected diagnostic phase with a pulse injection process; measuring an actual operating characteristic of the switched reluctance electric machine; computing an inductance based on the actual operating characteristic and correlating the inductance with a position to formulate an estimated position; modeling the switched reluctance electric machine to formulate an observer-based estimated position; selecting at one of the estimated position, the observer-based estimated position, and a combination thereof to formulate a selected position of the switched reluctance machine; and controlling said switched reluctance machine based on said selected position and a command.
摘要翻译：一种用于控制开关磁阻电机的系统和方法，包括：开关磁阻电机，包括产生和发送指示操作特性的传感器信号的传感器; 操作地耦合到所述开关磁阻电动机和所述传感器的控制器; 并且控制器执行方法。该方法包括：用脉冲注射过程探测所选择的诊断相位; 测量开关磁阻电机的实际工作特性; 基于实际工作特性计算电感，并将电感与位置相关联以制定估计位置; 对开关磁阻电机进行建模，以制定基于观察者的估计位置; 选择估计位置之一，基于观察者的估计位置及其组合，以制定开关磁阻电机的选定位置; 以及基于所述选择的位置和命令来控制所述开关磁阻电机。

6. 发明授权

US09236820B2 System for reducing torque ripple in an electric motor 有权
标题翻译：减小电动机转矩脉动的系统
公开(公告)号：US09236820B2
公开(公告)日：2016-01-12
申请号：US13792808
申请日：2013-03-11
申请人： Rajib Mikail , Mohammad S. Islam , Yilmaz Sozer , Iqbal Husain
发明人： Rajib Mikail , Mohammad S. Islam , Yilmaz Sozer , Iqbal Husain
IPC分类号： H02P7/00 , H02P6/10 , H02P25/08 , B62D5/04
CPC分类号： H02P6/10 , B62D5/046 , H02P25/098
摘要： A motor control system is provided. The motor control system includes a motor, a position sensor, a current sensor, and a control module. The motor has a rotor and a stator. The motor generates an output torque based on a phase current applied to the motor. The output torque generated by the motor creates a torque ripple that is within a predefined range. The position sensor monitors the motor to determine a rotor position. The current sensor monitors the motor to determine the phase current. The control module is in communication with the motor, the position sensor, and the current sensor. The control module includes a lookup table that stores values of phase current commands. The control module determines a phase current command from the lookup table based on the rotor position and the phase current.
摘要翻译：提供电机控制系统。电动机控制系统包括电动机，位置传感器，电流传感器和控制模块。电动机具有转子和定子。电动机基于施加到电动机的相电流产生输出转矩。由电动机产生的输出转矩产生在预定范围内的转矩波动。位置传感器监测电机以确定转子位置。电流传感器监测电机以确定相电流。控制模块与电机，位置传感器和电流传感器通信。控制模块包括存储相电流指令值的查找表。控制模块基于转子位置和相电流确定来自查找表的相电流命令。

7. 发明申请

US20140253002A1 SYSTEM FOR REDUCING TORQUE RIPPLE IN AN ELECTRIC MOTOR 有权
标题翻译：用于减少电机中的扭矩纹的系统
公开(公告)号：US20140253002A1
公开(公告)日：2014-09-11
申请号：US13792808
申请日：2013-03-11
申请人： Rajib Mikail , Mohammad S. Islam , Yilmaz Sozer , Iqbal Husain
发明人： Rajib Mikail , Mohammad S. Islam , Yilmaz Sozer , Iqbal Husain
IPC分类号： H02P6/10
CPC分类号： H02P6/10 , B62D5/046 , H02P25/098
摘要： A motor control system is provided. The motor control system includes a motor, a position sensor, a current sensor, and a control module. The motor has a rotor and a stator. The motor generates an output torque based on a phase current applied to the motor. The output torque generated by the motor creates a torque ripple that is within a predefined range. The position sensor monitors the motor to determine a rotor position. The current sensor monitors the motor to determine the phase current. The control module is in communication with the motor, the position sensor, and the current sensor. The control module includes a lookup table that stores values of phase current commands. The control module determines a phase current command from the lookup table based on the rotor position and the phase current.
摘要翻译：提供电机控制系统。电动机控制系统包括电动机，位置传感器，电流传感器和控制模块。电动机具有转子和定子。电动机基于施加到电动机的相电流产生输出转矩。由电动机产生的输出转矩产生在预定范围内的转矩波动。位置传感器监测电机以确定转子位置。电流传感器监测电机以确定相电流。控制模块与电机，位置传感器和电流传感器通信。控制模块包括存储相电流指令值的查找表。控制模块基于转子位置和相电流确定来自查找表的相电流命令。

8. 发明申请

US20100277113A1 Position Estimation At Starting and Lower Speeds in Three-Phase Switched Reluctance Machines 有权
标题翻译：三相开关磁阻机起动和低速位置估计
公开(公告)号：US20100277113A1
公开(公告)日：2010-11-04
申请号：US12614732
申请日：2009-11-09
申请人： Iqbal Husain , Gregory Pasquesoone
发明人： Iqbal Husain , Gregory Pasquesoone
IPC分类号： H02P6/18
CPC分类号： H02P25/0925
摘要： Provided is a method of indirect position estimation in three-phase switched reluctance machines. The method may comprise providing a three-phase switched reluctance machine. A three-phase switched reluctance machine may comprise a rotor and three phases. The method may further comprise producing data about the machine, setting threshold current values for at least a first phase; and sensing rotor position. Sensing rotor position may comprise applying a sensing pulse voltage sufficient to induce a pulse current having some maximum amperage in the first phase, determining the amplitude of the maximum amperage of said pulse current with respect to the thresholds for the first phase, and determining the sector of the rotor based upon the amplitude of the maximum amperage of the pulse current in the first phase.
摘要翻译：提供了一种在三相开关磁阻电机中进行间接位置估计的方法。该方法可以包括提供三相开关磁阻电机。三相开关磁阻电机可以包括转子和三相。该方法还可以包括产生关于机器的数据，设置至少第一阶段的阈值电流值; 并感测转子位置。感测转子位置可以包括施加足以在第一阶段中具有一些最大电流强度的脉冲电流的感测脉冲电压，相对于第一阶段的阈值确定所述脉冲电流的最大电流强度的幅度，以及确定所述扇区基于第一相中的脉冲电流的最大电流强度的幅度。

9. 发明授权

US4436693A Non-impacting loose rod storage canister 失效
标题翻译：无冲击松杆储存罐
公开(公告)号：US4436693A
公开(公告)日：1984-03-13
申请号：US303410
申请日：1981-09-18
申请人： Louis J. Zezza , Iqbal Husain
发明人： Louis J. Zezza , Iqbal Husain
IPC分类号： G21C19/07 , G21C19/20
CPC分类号： G21C19/07
摘要： A canister for holding loose nuclear fuel rods for containment within a cell of a pool storage rack. The canister is designed with lateral restraints at both its bottom and its top to substantially prevent impact with the sides of the cell during an earthquake.
摘要翻译：用于容纳用于容纳在池存储架的电池内的松散核燃料棒的罐。罐的底部和顶部设计有侧向约束，以在地震期间基本上防止电池侧面的撞击。

10. 发明授权

US4397608A Energy-absorbing turbine missile shield 失效
标题翻译：吸能涡轮导弹防护罩
公开(公告)号：US4397608A
公开(公告)日：1983-08-09
申请号：US145507
申请日：1980-05-01
申请人： Iqbal Husain , Arnold Gundersen , John F. Risley
发明人： Iqbal Husain , Arnold Gundersen , John F. Risley
IPC分类号： F01D21/04 , F01D25/24
CPC分类号： F01D21/045
摘要： A turbine missile shield is formed by a series of substantially semi-cylindrical, concentric stainless steel shells joined and spaced apart by longitudinal and transverse spreader beams. The longitudinal peripheries of the shells are joined to form mounting rims with bolt holes formed therein to enable mounting on a turbine pedestal or operating floor.
摘要翻译：涡轮导弹屏蔽由一系列基本上半圆柱形的同心不锈钢壳体形成，该壳体通过纵向和横向吊架梁连接并间隔开。壳体的纵向周边被连接以形成其中形成有螺栓孔的安装边缘，以使得能够安装在涡轮机基座或操作台面上。

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