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1. 发明授权

US10348222B2 Systems and methods for reducing DC link voltage dynamics with limited energy storage element 有权
公开(公告)号：US10348222B2
公开(公告)日：2019-07-09
申请号：US15635376
申请日：2017-06-28
申请人： Deere & Company
发明人： Sumit Dutta , Long Wu , Danielle Li , Brij N. Singh , Jared Lervik
IPC分类号： H02P5/74 , H02P6/04 , H02P21/00 , H02P27/08 , H02P29/66 , H02P25/022 , B60L11/08 , B60L11/12
摘要： In an example embodiment, a controller includes a memory having computer-readable instructions stored therein and a processor. The processor is configured to execute the computer-readable instructions to determine a first set of inductance values for at least one load machine and second set of inductance values for a generator machine, determine a first set of gains for the at least one load machine based on the first set of inductance values and a regulator bandwidth, determine a second set of gains for the generator machine based on the second set of inductance values and the regulator bandwidth, and generate voltage commands for driving the at least one load machine and the generator machine based on at least the first and second sets of gains.

2. 发明授权

US09595907B2 System and method for controlling modulation of an inverter 有权
公开(公告)号：US09595907B2
公开(公告)日：2017-03-14
申请号：US14290189
申请日：2014-05-29
申请人： DEERE & COMPANY
发明人： Christopher L Marohl , David Holmburg , Anthony Weber , Long Wu , Jared Lervik
IPC分类号： H02P1/04 , H02P3/00 , H02P27/08
CPC分类号： H02P27/085
摘要： A current measurement module is adapted to measure an observed current level for the inverter. A data processor or mode controller accesses a stored representation of first current level versus rotor speed output at which a total harmonic distortion level is less than threshold total harmonic distortion level. The data processor or mode controller enables the inverter to use SVPWM (space vector pulse width modulation) if the observed current level is less than the first current level for the measured or determined rotor speed. Further, the data processor or mode controller enables the inverter to use DPWM (discontinuous pulse width modulation) if the observed current level is greater than or equal to the first current level for the measured or determined rotor speed.

3. 发明授权

US09559630B2 System and method for controlling modulation of an inverter 有权
标题翻译：控制逆变器调制的系统和方法
公开(公告)号：US09559630B2
公开(公告)日：2017-01-31
申请号：US14290247
申请日：2014-05-29
申请人： DEERE & COMPANY
发明人： Christopher L Marohl , David Holmburg , Anthony Weber , Long Wu , Jared Lervik
IPC分类号： H02P3/00 , H02P1/04 , H02P27/08
CPC分类号： H02P27/085
摘要： A current measurement module is adapted to measure an observed current level for the inverter. A data processor or mode controller accesses a stored representation of first current level versus rotor speed output at which a total harmonic distortion level is less than threshold total harmonic distortion level. The data processor or mode controller enables the inverter to use SVPWM (space vector pulse width modulation) if the observed current level is less than the first current level for the measured or determined rotor speed. Further, the data processor or mode controller enables the inverter to use DPWM (discontinuous pulse width modulation) if the observed current level is greater than or equal to the first current level for the measured or determined rotor speed.
摘要翻译：电流测量模块适于测量逆变器的观测电流水平。数据处理器或模式控制器访问存储的第一电流电平与转子速度输出的表示，其中总谐波失真电平小于阈值总谐波失真电平。数据处理器或模式控制器使逆变器能够使用SVPWM（空间矢量脉宽调制），如果观察到的电流水平小于测量或确定的转子速度的第一个当前水平。此外，如果观察到的电流水平大于或等于测量或确定的转子速度的第一电流水平，则数据处理器或模式控制器使逆变器能够使用DPWM（不连续脉宽调制）。

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