专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

81. 发明授权

US08421391B2 Electric motor stator winding temperature estimation systems and methods 有权
标题翻译：电动机定子绕组温度估算系统及方法
公开(公告)号：US08421391B2
公开(公告)日：2013-04-16
申请号：US12778733
申请日：2010-05-12
申请人： Chia-Chou Yeh , Steven E. Schulz
发明人： Chia-Chou Yeh , Steven E. Schulz
IPC分类号： H02P7/00
CPC分类号： G01K7/42 , G01K13/08 , H02K11/20 , H02P29/64
摘要： An electric motor system includes an electric motor comprising a stator with windings and a rotor configured to operate at a motor speed; a cooling system comprising coolant configured to cool the rotor and the stator, the coolant having a coolant flow rate and a coolant temperature; an inverter module coupled to the electric motor and configured to provide current to the windings based on inverter control signals; a current regulated torque controller coupled to the inverter module and configured to generate the inverter control signals in response to a derated torque command; and a temperature estimation controller coupled to the current regulated torque controller and configured to generate the derated torque command based on an initial torque command and an estimated stator winding temperature. The temperature estimation controller is configured to estimate the estimated stator winding temperature based on the motor speed and the coolant flow rate.
摘要翻译：电动机系统包括电动机，其包括具有绕组的定子和被配置为以电动机速度操作的转子; 冷却系统，其包括被配置为冷却所述转子和所述定子的冷却剂，所述冷却剂具有冷却剂流速和冷却剂温度; 逆变器模块，其耦合到所述电动机并且被配置为基于逆变器控制信号向所述绕组提供电流; 耦合到所述逆变器模块并被配置为响应于降额转矩命令而产生所述逆变器控制信号的电流调节转矩控制器; 以及温度估计控制器，其耦合到所述电流调节转矩控制器，并且被配置为基于初始转矩指令和所估计的定子绕组温度来产生所述降额转矩指令。温度估计控制器被配置为基于电动机速度和冷却剂流量来估计定子绕组温度。

82. 发明授权

US08288886B2 Method and apparatus for avoiding electrical resonance in a vehicle having a shared high-voltage bus 有权
标题翻译：一种用于避免具有共享高压母线的车辆中的电共振的方法和装置
公开(公告)号：US08288886B2
公开(公告)日：2012-10-16
申请号：US12614464
申请日：2009-11-09
申请人： Mohammad N. Anwar , Steven E. Schulz , Stephan N. Green , James E. Tarchinski
发明人： Mohammad N. Anwar , Steven E. Schulz , Stephan N. Green , James E. Tarchinski
IPC分类号： B60L1/00 , B60L3/00 , H02G3/00
CPC分类号： H02M1/44 , B60K6/48 , B60L11/14 , B60L15/20 , B60L2270/145 , Y02T10/6221 , Y02T10/645 , Y02T10/70 , Y02T10/7077 , Y02T10/7275
摘要： A method for avoiding electrical resonance in a vehicle having a high-voltage (HV) direct current (DC) bus shared by a first and a second power electronic converter device, such as an air conditioning compressor module (ACCM) and a traction power inverter (TPIM), includes determining an impedance characteristic of the bus, defining resonance points for the bus, selecting lower and upper switching frequency boundaries for the TPIM, and preventing the TPIM from operating within a range defined by these boundaries. A vehicle includes the first and second power electronic converter device, e.g., the APPM and the TPIM, the shared HV DC, and a controller having the algorithm set forth above, wherein the controller is adapted for avoiding electrical resonance in the HV DC bus by executing the algorithm.
摘要翻译：一种用于避免车辆中具有由第一和第二电力电子转换器装置共享的高压（HV）直流（DC）总线的方法，例如空调压缩机模块（ACCM）和牵引电力逆变器（TPIM）包括确定总线的阻抗特性，为总线定义谐振点，为TPIM选择下限和上限开关频率边界，并防止TPIM在由这些边界限定的范围内运行。车辆包括第一和第二电力电子转换器装置，例如APPM和TPIM，共享HV DC，以及具有上述算法的控制器，其中控制器适于避免HV DC总线中的电共振，由执行算法。

83. 发明授权

US08253360B2 Vector controlled motor drive system implementing pulse width modulated (PWM) waveforms 有权
标题翻译：实现脉宽调制（PWM）波形的矢量控制电机驱动系统
公开(公告)号：US08253360B2
公开(公告)日：2012-08-28
申请号：US12503591
申请日：2009-07-15
申请人： Steven E. Schulz , Yo Chan Son , Nitinkumar R. Patel
发明人： Steven E. Schulz , Yo Chan Son , Nitinkumar R. Patel
IPC分类号： H02P21/00
CPC分类号： H02P6/182 , B60L15/025 , B60L15/08 , B60L2200/26 , B60L2260/44 , H02P21/04 , H02P21/18 , H02P21/24 , H02P27/08 , Y02T10/643
摘要： A vector controlled motor drive system is provided that includes a test vector and duty cycle generator module designed to receive a set of three-phase voltage command signals and designed to generate a set of pulse width modulated (PWM) waveforms. The set of PWM waveforms comprise: a first modified switching vector signal for a first motor phase that comprises at least two test pulses over three consecutive PWM cycles. The first modified switching vector signal has a first amplitude value that changes between a high amplitude value and a low amplitude value during the three consecutive PWM cycles. A number of transitions by the first modified switching vector signal between the low amplitude value and the high amplitude value over the three consecutive PWM cycles is greater than six and less than twelve.
摘要翻译：提供了一个矢量控制的电机驱动系统，其包括测试矢量和占空比发生器模块，该模块设计成接收一组三相电压指令信号，并被设计成产生一组脉冲宽度调制（PWM）波形。所述PWM波形组包括：用于第一电动机相位的第一修改的开关矢量信号，其包括在三个连续的PWM周期上的至少两个测试脉冲。第一修改开关矢量信号具有在三个连续PWM周期期间在高振幅值和低振幅值之间变化的第一振幅值。在三个连续PWM周期中，通过第一修改的开关矢量信号在低振幅值和高幅度值之间的转换大于6并小于12。

84. 发明申请

US20120203405A1 METHOD AND APPARATUS FOR MONITORING A RESOLVER IN A TORQUE MACHINE 有权
标题翻译：用于监测转矩机中的分解器的方法和装置
公开(公告)号：US20120203405A1
公开(公告)日：2012-08-09
申请号：US13022854
申请日：2011-02-08
申请人： Wei D. Wang , Bon Ho Bae , Leah Dunbar , Kevin P. Houle , William R. Cawthorne , Andrew M. Zettel , Hanne Buur , Steven E. Schulz
发明人： Wei D. Wang , Bon Ho Bae , Leah Dunbar , Kevin P. Houle , William R. Cawthorne , Andrew M. Zettel , Hanne Buur , Steven E. Schulz
IPC分类号： B60W20/00 , B60W10/08
CPC分类号： B60W20/50 , B60L3/0038 , B60W10/08 , B60W20/00 , B60W50/0205 , B60W50/0225 , B60W50/038 , B60W50/04 , B60W2510/081 , B60W2710/083 , B60W2710/085 , Y02T10/7258
摘要： A method for monitoring an electrically-powered torque machine configured to generate torque in a hybrid powertrain system includes monitoring signal outputs of a resolver configured to monitor rotational position of the torque machine. Upon detecting a fault warning state associated with the signal outputs of the resolver, a motor torque capacity of the torque machine is derated. Upon a clearing of the fault warning state, a torque ramp-up state to increase the motor torque capacity of the torque machine is executed. Notice of an incidence of a fault associated with the signal outputs of the resolver is provided only when the motor torque capacity fails to achieve a threshold motor torque capacity within a threshold recovery time period while executing the torque ramp-up state.
摘要翻译：一种用于监视配置成在混合动力系统中产生转矩的电动力矩机的方法，包括：监视被配置为监测转矩机的转动位置的旋转变压器的信号输出。在检测到与解算器的信号输出相关联的故障警告状态时，扭矩机的电动机转矩容量降低。在清除故障警告状态时，执行用于增加扭矩机的电动机转矩容量的转矩上升状态。仅当电机转矩容量在执行转矩提升状态时在阈值恢复时间段内达不到阈值电动机转矩容量时才提供与解算器的信号输出相关的故障的发生率的注意事项。

85. 发明申请

US20120084039A1 SYSTEM AND METHOD OF MEASURING A SENSOR OFFSET 有权
标题翻译：测量传感器偏移的系统和方法
公开(公告)号：US20120084039A1
公开(公告)日：2012-04-05
申请号：US12895924
申请日：2010-10-01
申请人： Wei D. Wang , Steven E. Schulz , Jeffrey David , Jackie L. Cui , Andrew M. Zettel , Hanne Buur
发明人： Wei D. Wang , Steven E. Schulz , Jeffrey David , Jackie L. Cui , Andrew M. Zettel , Hanne Buur
IPC分类号： G01D18/00
CPC分类号： G01D18/006
摘要： A method includes detecting a first event and executing a first procedure to identify a sensor offset in response to detecting the first event. The method further includes determining, via a computing device, whether the sensor offset was measured during the execution of the first procedure, scheduling a second procedure to execute in response to detecting a second event if the sensor offset was not measured during the first procedure, and scheduling the first procedure to execute in response to detecting a subsequent occurrence of the first event if the sensor offset was measured during the first procedure.
摘要翻译：一种方法包括检测第一事件并且执行第一过程以响应于检测到第一事件来识别传感器偏移。该方法还包括经由计算设备确定在执行第一过程期间是否测量了传感器偏移量，如果在第一过程期间未测量传感器偏移量，则调度响应于检测到第二事件执行的第二过程，以及如果在所述第一过程期间测量了所述传感器偏移量，则响应于检测到所述第一事件的后续出现来调度执行所述第一过程。

86. 发明授权

US08134321B2 Motor control system for achieving peak torque 有权
标题翻译：电机控制系统实现峰值扭矩
公开(公告)号：US08134321B2
公开(公告)日：2012-03-13
申请号：US12419371
申请日：2009-04-07
申请人： Steven E. Schulz , Bon Ho Bae
发明人： Steven E. Schulz , Bon Ho Bae
IPC分类号： H02P7/00
CPC分类号： H02P21/22
摘要： In a motor controller, a modified interpolation technique uses an extrapolated torque command for the upper table to improve torque linearity under certain conditions. When the torque command input is greater than the max torque limit of a first look-up table, but less than the maximum torque limit of a second, adjacent look-up table, the desired current command is computed by interpolating between the maximum torque limit of the first table and a revised torque value for the second look-up table, wherein the revised torque value is determined by extrapolating from the maximum torque limit of the first look-up table through a torque value based on the torque command input.
摘要翻译：在电动机控制器中，改进的插补技术使用上表的外推转矩指令来在某些条件下提高扭矩线性度。当转矩指令输入大于第一查找表的最大转矩限制但小于第二相邻查找表的最大转矩极限时，通过内插最大转矩极限来计算所需电流指令以及第二查找表的修正扭矩值，其中，通过基于转矩指令输入的转矩值，通过从第一查找表的最大转矩极限推断来确定修正后的转矩值。

87. 发明授权

US07923944B2 Single processor dual motor control 有权
标题翻译：单处理器双电机控制
公开(公告)号：US07923944B2
公开(公告)日：2011-04-12
申请号：US11758941
申请日：2007-06-06
申请人： Steven E. Schulz , Terry Murrell
发明人： Steven E. Schulz , Terry Murrell
IPC分类号： H02P5/00
CPC分类号： H02P5/74
摘要： A motor control processor is provided for motor phase current sampling of multiple variable frequency controlled electric motors, and includes an analog-to-digital (A/D) converter and a controller. The A/D converter has multiple analog inputs and generates a digital output signal in response to the multiple analog inputs. The controller is coupled to the A/D converter and determines a maximum desired switching frequency for a first one of the multiple variable frequency controlled electric motors. The controller further selects a base period in response to the maximum desired switching frequency and defines a phase shift time delay as a fraction of the base period so the controller may control the multiple analog inputs of the A/D converter to sample motor phase currents of each of the multiple variable frequency controlled electric motors at sample times determined by the controller in response to the base period and the phase shift time delay.
摘要翻译：提供电动机控制处理器用于多个可变频率控制电动机的电动机相电流采样，并且包括模数（A / D）转换器和控制器。 A / D转换器具有多个模拟输入，并响应多个模拟输入产生数字输出信号。控制器耦合到A / D转换器，并确定多个可变频率控制的电动机中的第一个的最大期望开关频率。控制器还响应于最大期望的开关频率选择基准周期，并将相移时间延迟定义为基本周期的一部分，以便控制器可以控制A / D转换器的多个模拟输入以对电机相位电流进行采样在由控制器响应于基准周期和相移时间延迟确定的采样时间的多个可变频率控制电动机中的每一个。

88. 发明申请

US20080278106A1 APPARATUS, SYSTEM, AND METHOD FOR SIMULATING OUTPUTS OF A RESOLVER TO TEST MOTOR-RESOLVER SYSTEMS 有权
标题翻译：用于模拟分析仪对测试电机分解系统的输出的装置，系统和方法
公开(公告)号：US20080278106A1
公开(公告)日：2008-11-13
申请号：US11747548
申请日：2007-05-11
申请人： David T. Fu , Wei D. Wang , Steven E. Schulz
发明人： David T. Fu , Wei D. Wang , Steven E. Schulz
IPC分类号： G03B27/42
CPC分类号： G03B27/42 , G01D5/204
摘要： An apparatus, system, and method are provided for simulating outputs of a resolver. One apparatus includes an adjustable sine waveform generator for simulating first and second sine wave signals, and an adjustable cosine waveform generator for simulating first and cosine wave signals. The apparatus also includes an adjustable waveform generator and an adjustable gain circuit coupled to the sine waveform generator and cosine waveform generator. The system includes a device simulating a resolver coupled to a motor controller. The device includes an adjustable sine waveform generator and an adjustable cosine waveform generator coupled to an adjustable waveform generator and an adjustable gain circuit. One method includes transmitting a signal simulating at least one resolver fault condition to a motor controller to determine if the motor controller detects the fault condition(s). If the motor controller fails to detect the fault condition(s) and/or transmit an error message, the motor controller is malfunctioning.
摘要翻译：提供了一种用于模拟分解器的输出的装置，系统和方法。一种装置包括用于模拟第一和第二正弦波信号的可调正弦波形发生器和用于模拟第一和余弦波信号的可调余弦波形发生器。该装置还包括可调波形发生器和耦合到正弦波形发生器和余弦波形发生器的可调增益电路。该系统包括模拟与马达控制器耦合的旋转变压器的装置。该装置包括可调正弦波形发生器和耦合到可调波形发生器和可调增益电路的可调余弦波形发生器。一种方法包括将模拟至少一个分解器故障状况的信号发送到电动机控制器以确定电动机控制器是否检测到故障状况。如果电机控制器无法检测到故障状况和/或发送错误信息，则电机控制器发生故障。

89. 发明申请

US20080197796A1 SYSTEM AND METHOD FOR CONTROLLING ELECTRIC DRIVE SYSTEMS 有权
标题翻译：用于控制电力驱动系统的系统和方法
公开(公告)号：US20080197796A1
公开(公告)日：2008-08-21
申请号：US11676539
申请日：2007-02-20
申请人： Bon-Ho Bae , Steven E. Schulz , Nitinkumar R. Patel
发明人： Bon-Ho Bae , Steven E. Schulz , Nitinkumar R. Patel
IPC分类号： H02P7/00
CPC分类号： B60L11/1861 , B60L15/025 , Y02T10/643 , Y02T10/7005 , Y02T10/7044 , Y02T10/705 , Y02T10/7258
摘要： Methods, apparatus, and systems are provided for regulating the operation of a drive system within a battery voltage and power range. The apparatus includes a PI regulator producing a signal for regulating a torque output of the drive system based on a DC voltage source limit and/or power limit, a converter normalizing the signal from the PI regulator to produce a new torque limit, and a switch selecting either the new torque limit or an available torque limit of the drive system. The PI regulator includes an integrator having an initial value based on the torque output of the drive system and a copper loss term.
摘要翻译：提供了用于调节电池电压和功率范围内的驱动系统的操作的方法，装置和系统。该装置包括PI调节器，其产生用于基于直流电压源极限和/或功率限制来调节驱动系统的转矩输出的信号，转换器对来自PI调节器的信号进行归一化以产生新的转矩极限，以及开关选择新的转矩限制或驱动系统的可用转矩极限。 PI调节器包括具有基于驱动系统的转矩输出的初始值和铜损失项的积分器。

90. 发明授权

US07088077B2 Position-sensorless control of interior permanent magnet machines 有权
标题翻译：内置永磁机的无位置传感器控制
公开(公告)号：US07088077B2
公开(公告)日：2006-08-08
申请号：US10984178
申请日：2004-11-09
申请人： James M. Nagashima , Khwaja M. Rahman , Nitinkumar R. Patel , Steven E. Schulz , Terence G. Ward , Stanley K. Fujii
发明人： James M. Nagashima , Khwaja M. Rahman , Nitinkumar R. Patel , Steven E. Schulz , Terence G. Ward , Stanley K. Fujii
IPC分类号： H02P9/00 , H02P7/00
CPC分类号： H02P21/04 , H02P21/0089 , H02P21/22 , H02P29/02
摘要： A method of controlling an IPM machine having a salient rotor. Stator terminal signals are measured and rotated to obtain synchronous reference frame current signals. A rotor position is estimated based on an impedance generated using the rotor and included in the current signals. The estimated rotor position is used to control the machine. An alternator-starter system in which this method is used can provide high cranking torque and generation power over a wide speed range while providing operational efficiency.
摘要翻译：一种控制具有显着转子的IPM机的方法。定子端子信号被测量和旋转以获得同步参考帧电流信号。基于使用转子产生的并且包括在电流信号中的阻抗来估计转子位置。估计的转子位置用于控制机器。使用该方法的交流发电机 - 起动器系统可以在宽的速度范围内提供高起动转矩和发电功率，同时提供操作效率。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式