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1. 发明授权

US07652443B2 Method and system for controlling a power inverter in electric drives 有权
标题翻译：用于控制电力变频器中的电力变换器的方法和系统
公开(公告)号：US07652443B2
公开(公告)日：2010-01-26
申请号：US11923270
申请日：2007-10-24
申请人： Steven E. Schulz , Stephen T. West , Brian A. Welchko , Silva Hiti
发明人： Steven E. Schulz , Stephen T. West , Brian A. Welchko , Silva Hiti
IPC分类号： H02P7/00
CPC分类号： B60L15/08 , B60L2240/421 , B60L2240/423 , B60L2240/526 , B60L2270/14 , Y02T10/645
摘要： Methods and systems for controlling a power inverter in an electric drive system of an automobile are provided. The various embodiments control the power inverter by, responsive to a commanded torque of the electric motor being below a first torque level, controlling the power inverter to set a switching frequency of the power inverter at a first set frequency; and, responsive to the commanded torque of the electric motor being between the first torque level and a second torque level, controlling the power inverter to determine the switching frequency of the power inverter as a function of the commanded torque of the electric motor while maintaining the switching frequency above a dynamic frequency limit. The method reduces switching frequencies in the inverter at high commanded torques, while maintaining the switching frequencies above dynamic frequency limit that provides effective control over the motor.
摘要翻译：提供了一种用于控制汽车电驱动系统中的电力逆变器的方法和系统。各种实施例通过响应于电动机的指令转矩低于第一转矩水平来控制功率逆变器，控制功率逆变器将功率逆变器的开关频率设定在第一设定频率; 并且响应于所述电动机的所述指令转矩在所述第一转矩水平和第二转矩水平之间，控制所述电力逆变器，以根据所述电动机的指令转矩来确定所述电力逆变器的开关频率，同时保持开关频率高于动态频率限制。该方法以较高的指令转矩降低变频器的开关频率，同时保持开关频率高于动态频率限制，从而提供对电机的有效控制。

2. 发明授权

US08165737B2 Method and system for controlling a power inverter in electric drives of vehicles with two-mode transmissions 有权
标题翻译：用于控制双模传动车辆电动变频器中的电力变换器的方法和系统
公开(公告)号：US08165737B2
公开(公告)日：2012-04-24
申请号：US11923287
申请日：2007-10-24
申请人： Steven E. Schulz , Stephen T. West , Brian A. Welchko , Silva Hiti
发明人： Steven E. Schulz , Stephen T. West , Brian A. Welchko , Silva Hiti
IPC分类号： G05D3/00
CPC分类号： B60W20/15 , B60K1/02 , B60K6/365 , B60K6/445 , B60K6/52 , B60K6/547 , B60L15/20 , B60L2200/26 , B60L2240/423 , B60W10/08 , B60W20/00 , B60W2710/083 , Y02T10/6239 , Y02T10/6265 , Y02T10/645 , Y02T10/72 , Y02T10/7275
摘要： Methods and systems for controlling a power inverter in automobiles utilizing two-mode transmissions are provided. The various embodiments control the power inverter by, responsive to a commanded torque of the electric motor being below a first torque level, controlling the power inverter to set a switching frequency of the power inverter at a first set frequency; and, responsive to the commanded torque of the electric motor being between the first torque level and a second torque level, controlling the power inverter to determine the switching frequency of the power inverter as a function of the commanded torque of the electric motor while maintaining the switching frequency above a dynamic frequency limit. The method reduces switching frequencies in the inverter at high commanded torques, while maintaining the switching frequencies above dynamic frequency limit that provides effective control over the motor.
摘要翻译：提供了利用双模传输来控制汽车中的功率逆变器的方法和系统。各种实施例通过响应于电动机的指令转矩低于第一转矩水平来控制功率逆变器，控制功率逆变器将功率逆变器的开关频率设定在第一设定频率; 并且响应于所述电动机的所述指令转矩在所述第一转矩水平和第二转矩水平之间，控制所述电力逆变器，以根据所述电动机的指令转矩来确定所述电力逆变器的开关频率，同时保持开关频率高于动态频率限制。该方法以较高的指令转矩降低变频器的开关频率，同时保持开关频率高于动态频率限制，从而提供对电机的有效控制。

3. 发明授权

US07834574B2 Phase current sampling and regulating apparatus and methods, and electric motor drive systems 有权
标题翻译：相电流采样和调节装置及方法以及电动机驱动系统
公开(公告)号：US07834574B2
公开(公告)日：2010-11-16
申请号：US11944781
申请日：2007-11-26
申请人： Stephen T. West , Brian A. Welchko , Steven E. Schulz , Silva Hiti
发明人： Stephen T. West , Brian A. Welchko , Steven E. Schulz , Silva Hiti
IPC分类号： H02P1/32
CPC分类号： G01R19/2509 , G01R19/2513 , G01R31/007 , H02P21/00
摘要： In various embodiments, a phase current sampling apparatus (300, 600, FIGS. 3, 6), an electric motor drive system (100, FIG. 1), and a motor vehicle (1200, FIG. 12) include switching circuitry adapted to receive first and second phase current waveforms. The switching circuitry provides the first phase current waveform during at least two offset sampling instants, and provides the second phase current waveform during a reference sampling instant. An analog-to-digital converter is adapted to sample the first phase current waveform at the offset sampling instants, and to sample the second phase current waveform at the reference sampling instant. An embodiment of a method for regulating phase current waveforms includes an analog-to-digital converter generating samples of a first phase current waveform at sampling instants that occur before and after a reference sampling instant, and generating a sample of a second phase current waveform at the reference sampling instant.
摘要翻译：在各种实施例中，相电流采样装置（300,600，图3,6），电动机驱动系统（100，图1）和机动车辆（图12中的1200）包括适于接收第一和第二相电流波形。开关电路在至少两个偏移采样时刻提供第一相电流波形，并且在参考采样时刻期间提供第二相电流波形。模拟 - 数字转换器适于在偏移采样时刻采样第一相电流波形，并在参考采样时刻采样第二相电流波形。用于调节相电流波形的方法的实施例包括模数转换器，其在采样时刻产生在采样时刻之前和之后的采样时刻产生第一相电流波形的采样，并且产生第二相电流波形的采样参考采样时刻。

4. 发明授权

US08446113B2 Vehicular electrical system and method for controlling an inverter during motor deceleration 有权
标题翻译：车辆电气系统和电机减速期间控制变频器的方法
公开(公告)号：US08446113B2
公开(公告)日：2013-05-21
申请号：US12817950
申请日：2010-06-17
申请人： Brian A Welchko , Konstantin S. Majarov , Silva Hiti , Steven E. Schulz , Aniket Kothari , Nicholas Kokotovich
发明人： Brian A Welchko , Konstantin S. Majarov , Silva Hiti , Steven E. Schulz , Aniket Kothari , Nicholas Kokotovich
IPC分类号： H02P3/14
CPC分类号： B60L7/06 , B60L3/04 , B60L7/003 , B60L7/08 , Y02T10/7258
摘要： Methods and systems for operating an inverter having a plurality of high switches and a plurality of low switches coupled to an electric motor are provided. An event indicative of deceleration of the electric motor is detected. The inverter is alternated between a first mode of operation and a second mode of operation during the deceleration of the electric motor. In the first mode of operation, each of the plurality of high switches is activated and each of the plurality of low switches is deactivated or each of the plurality of low switches is activated and each of the plurality of high switches is deactivated. In the second mode of operation, each of the plurality of high switches is deactivated and each of the plurality of low switches is deactivated.
摘要翻译：提供了用于操作具有多个高开关的逆变器和耦合到电动机的多个低开关的方法和系统。检测到表示电动机减速的事件。逆变器在电动机的减速期间在第一操作模式和第二操作模式之间交替。在第一操作模式中，多个高开关中的每一个被激活，并且多个低开关中的每一个被去激活，或者多个低开关中的每一个被激活，并且多个高开关中的每一个被去激活。在第二操作模式中，多个高开关中的每一个被去激活，并且多个低开关中的每一个被去激活。

5. 发明申请

US20110309779A1 VEHICULAR ELECTRICAL SYSTEM AND METHOD FOR CONTROLLING AN INVERTER DURING MOTOR DECELERATION 有权
标题翻译：在电机减速期间控制逆变器的车辆电气系统和方法
公开(公告)号：US20110309779A1
公开(公告)日：2011-12-22
申请号：US12817952
申请日：2010-06-17
申请人： Silva Hiti , Steven E. Schulz , Konstantin S. Majarov , Brian A. Welchko
发明人： Silva Hiti , Steven E. Schulz , Konstantin S. Majarov , Brian A. Welchko
IPC分类号： H02P6/00
CPC分类号： B60L11/14 , B60L3/0061 , B60L7/14 , B60L15/2009 , B60L2210/10 , B60L2210/30 , B60L2210/40 , B60L2240/423 , Y02T10/645 , Y02T10/70 , Y02T10/7077 , Y02T10/7216 , Y02T10/7241 , Y02T10/7275
摘要： Methods and systems for operating an inverter coupled to an electric motor are provided. The inverter has a plurality of high switches and a plurality of low switches coupled to the electric motor. An event indicative of deceleration of the electric motor is detected. The inverter is alternated between a first mode of operation and a second mode of operation during the deceleration of the electric motor. In the first mode of operation, each of the plurality of high switches is activated and each of the plurality of low switches is deactivated. In the second mode of operation, each of the plurality of low switches is activated and each of the plurality of high switches is deactivated.
摘要翻译：提供了用于操作耦合到电动机的逆变器的方法和系统。逆变器具有耦合到电动机的多个高开关和多个低开关。检测到表示电动机减速的事件。逆变器在电动机的减速期间在第一操作模式和第二操作模式之间交替。在第一操作模式中，多个高开关中的每一个被激活，并且多个低开关中的每一个被去激活。在第二操作模式中，多个低开关中的每一个被激活，并且多个高开关中的每一个被去激活。

6. 发明申请

US20110309777A1 VEHICULAR ELECTRICAL SYSTEM AND METHOD FOR CONTROLLING AN INVERTER DURING MOTOR DECELERATION 有权
标题翻译：在电机减速期间控制逆变器的车辆电气系统和方法
公开(公告)号：US20110309777A1
公开(公告)日：2011-12-22
申请号：US12817950
申请日：2010-06-17
申请人： Brian A. Welchko , Konstantin S. Majarov , Silva Hiti , Steven E. Schulz , Aniket Kothari , Nicholas Kokotovich
发明人： Brian A. Welchko , Konstantin S. Majarov , Silva Hiti , Steven E. Schulz , Aniket Kothari , Nicholas Kokotovich
IPC分类号： H02P3/14
CPC分类号： B60L7/06 , B60L3/04 , B60L7/003 , B60L7/08 , Y02T10/7258
摘要： Methods and systems for operating an inverter having a plurality of high switches and a plurality of low switches coupled to an electric motor are provided. An event indicative of deceleration of the electric motor is detected. The inverter is alternated between a first mode of operation and a second mode of operation during the deceleration of the electric motor. In the first mode of operation, each of the plurality of high switches is activated and each of the plurality of low switches is deactivated or each of the plurality of low switches is activated and each of the plurality of high switches is deactivated. In the second mode of operation, each of the plurality of high switches is deactivated and each of the plurality of low switches is deactivated.
摘要翻译：提供了用于操作具有多个高开关的逆变器和耦合到电动机的多个低开关的方法和系统。检测到表示电动机减速的事件。逆变器在电动机的减速期间在第一操作模式和第二操作模式之间交替。在第一操作模式中，多个高开关中的每一个被激活，并且多个低开关中的每一个被去激活，或者多个低开关中的每一个被激活，并且多个高开关中的每一个被去激活。在第二操作模式中，多个高开关中的每一个被去激活，并且多个低开关中的每一个被去激活。

7. 发明授权

US08319458B2 Vehicular electrical system and method for controlling an inverter during motor deceleration 有权
标题翻译：车辆电气系统和电机减速期间控制变频器的方法
公开(公告)号：US08319458B2
公开(公告)日：2012-11-27
申请号：US12817952
申请日：2010-06-17
申请人： Silva Hiti , Steven E. Schulz , Konstantin S. Majarov , Brian A. Welchko
发明人： Silva Hiti , Steven E. Schulz , Konstantin S. Majarov , Brian A. Welchko
IPC分类号： H02P3/22
CPC分类号： B60L11/14 , B60L3/0061 , B60L7/14 , B60L15/2009 , B60L2210/10 , B60L2210/30 , B60L2210/40 , B60L2240/423 , Y02T10/645 , Y02T10/70 , Y02T10/7077 , Y02T10/7216 , Y02T10/7241 , Y02T10/7275
摘要： Methods and systems for operating an inverter coupled to an electric motor are provided. The inverter has a plurality of high switches and a plurality of low switches coupled to the electric motor. An event indicative of deceleration of the electric motor is detected. The inverter is alternated between a first mode of operation and a second mode of operation during the deceleration of the electric motor. In the first mode of operation, each of the plurality of high switches is activated and each of the plurality of low switches is deactivated. In the second mode of operation, each of the plurality of low switches is activated and each of the plurality of high switches is deactivated.
摘要翻译：提供了用于操作耦合到电动机的逆变器的方法和系统。逆变器具有耦合到电动机的多个高开关和多个低开关。检测到表示电动机减速的事件。逆变器在电动机的减速期间在第一操作模式和第二操作模式之间交替。在第一操作模式中，多个高开关中的每一个被激活，并且多个低开关中的每一个被去激活。在第二操作模式中，多个低开关中的每一个被激活，并且多个高开关中的每一个被去激活。

8. 发明申请

US20110231040A1 USE OF DISCONTINUOUS PULSE WIDTH MODULATION FOR AN INVERTER COUPLED TO AN ELECTRIC MOTOR FOR A VEHICLE 审中-公开
标题翻译：用于与车辆电动马达相连的逆变器的不连续脉冲宽度调制的使用
公开(公告)号：US20110231040A1
公开(公告)日：2011-09-22
申请号：US12725543
申请日：2010-03-17
申请人： Steven E. Schulz , Goro Tamai , Lan Wang , Karl Andrew Sime , Silva Hiti , Brian A. Welchko
发明人： Steven E. Schulz , Goro Tamai , Lan Wang , Karl Andrew Sime , Silva Hiti , Brian A. Welchko
IPC分类号： G06F19/00
CPC分类号： B60L15/2009 , B60L15/08 , Y02T10/645 , Y02T10/72 , Y02T10/7275
摘要： A method for controlling an inverter coupled to an electric motor for a vehicle includes generating a discontinuous PWM signal for the inverter when a torque of the electric motor and a speed of the electric motor are substantially zero, and when at least one predetermined vehicle condition is met.
摘要翻译：一种用于控制与车辆的电动机相连的逆变器的方法包括当电动机的转矩和电动机的速度基本上为零时产生用于逆变器的不连续的PWM信号，并且当至少一个预定的车辆状况是见面

9. 发明授权

US07679310B2 Method and system for controlling pulse width modulation in a power inverter in electric drives 有权
标题翻译：电力变频器中脉宽调制控制方法及系统
公开(公告)号：US07679310B2
公开(公告)日：2010-03-16
申请号：US11923293
申请日：2007-10-24
申请人： Steven E. Schulz , Brian A. Welchko , Silva Hiti
发明人： Steven E. Schulz , Brian A. Welchko , Silva Hiti
IPC分类号： H02P23/00
CPC分类号： B60L15/08 , B60L11/1803 , B60L15/007 , B60L15/20 , B60L2210/42 , B60L2240/421 , B60L2240/423 , H02P27/08 , Y02T10/644 , Y02T10/645 , Y02T10/7005 , Y02T10/7241 , Y02T10/7275
摘要： Methods and systems for controlling a power inverter in an electric drive system of an automobile are provided. The various embodiments control the power inverter by, responsive to either a commanded torque of the electric motor being above a first torque level, or a commanded speed of the electric motor being above a first speed level, controlling the power inverter with a discontinuous pulse width modulated (DPWM) signal to generate a modulated voltage waveform for driving the electric motor. Additionally, the embodiments control the power inverter by, responsive to both a commanded torque of the electric motor being below the first torque level, and a commanded speed of the electric motor being below the first speed level, controlling the power inverter with a continuous pulse width modulated (CPWM) signal to generate the modulated voltage waveform for driving the electric motor.
摘要翻译：提供了一种用于控制汽车电驱动系统中的电力逆变器的方法和系统。各种实施例通过响应于电动机的指令转矩高于第一转矩水平或电动机的指令速度高于第一速度水平来控制功率逆变器，以不连续脉冲宽度控制功率逆变器调制（DPWM）信号以产生用于驱动电动机的调制电压波形。此外，这些实施例通过响应于电动机的指令转矩低于第一转矩水平和电动机的指令速度低于第一速度水平来控制功率逆变器，以连续脉冲宽度调制（CPWM）信号以产生用于驱动电动机的调制电压波形。

10. 发明授权

US07576500B2 Method and system for operating a motor to reduce noise in an electric vehicle 有权
标题翻译：用于操作电动机以减少电动车辆噪声的方法和系统
公开(公告)号：US07576500B2
公开(公告)日：2009-08-18
申请号：US11756349
申请日：2007-05-31
申请人： Nitinkumar R. Patel , Mohammad N. Anwar , Silva Hiti , Brian A Welchko , Steven E. Schulz , Lisa M. Talarico
发明人： Nitinkumar R. Patel , Mohammad N. Anwar , Silva Hiti , Brian A Welchko , Steven E. Schulz , Lisa M. Talarico
IPC分类号： H02P1/00
CPC分类号： H02P27/08 , B60L2270/142 , H02M1/14 , Y02T10/642
摘要： Methods and systems for operating a motor coupled to an electrical bus in a vehicle are provided. Selected resonant frequencies of the electrical bus are determined. The selected resonant frequencies include a low resonant frequency and a high resonant frequency. Power is provided to the motor through at least one switch operating at a switching frequency. The switching frequency is controlled as a function of a rate of operation of the motor. The function is characterized by one of a first substantially linear portion having a first slope when the switching frequency is less than or equal to a selected switching frequency and a second substantially linear portion having a second slope if the switching frequency is greater than the selected frequency, the selected switching frequency being greater than the low resonant frequency and a substantially linear portion having a y-intercept being greater than the low resonant frequency.
摘要翻译：提供了用于操作耦合到车辆中的电气总线的马达的方法和系统。确定电气总线的选定谐振频率。所选择的谐振频率包括低谐振频率和高谐振频率。通过至少一个以开关频率工作的开关将电力提供给电动机。开关频率根据电机的运行速度进行控制。该功能的特征在于当开关频率小于或等于所选择的开关频率时具有第一斜率的第一基本线性部分中的一个以及具有第二斜率的第二基本线性部分，如果开关频率大于所选择的频率，所选择的开关频率大于低谐振频率，并且具有大于低谐振频率的y截距的基本线性部分。

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