2024年3月10日发(作者：师玉龙)
专利内容由知识产权出版社提供
专利名称：METHOD AND SYSTEM FOR CONTROLLING
AN ELECTRIC MOTOR AT OR NEAR STALL
CONDITIONS
发明人：WU, Long,SHAW, Robert
申请号：EP12752924.6
申请日：20120222
公开号：EP2681064A1
公开日：20140108
摘要：A data processor determines whether a composite torque command is larger
than a preset torque threshold for a time interval. The composite torque command is
convertible into a direct-axis current command and a quadrature-axis current command.
The data processor determines whether a rotor speed of the motor is less than a preset
speed threshold for the time interval. The data processor, the current adjustment
module, or the current shaping module adjusts the direct-axis current command and the
quadrature-axis current command to obtain a revised direct-axis current command and
revised quadrature-axis current command for the time interval if the composite torque
command is larger than the preset torque threshold and if the rotor speed is less than
the preset speed threshold, where the revised current commands vary by the detected
rotational position of the rotor to achieve a generally constant shaft torque output.
申请人：Deere & Company
地址：One John Deere Place Moline, IL 61265 US
国籍：US
代理机构：Holst, Sönke
更多信息请下载全文后查看
2024年3月10日发(作者：师玉龙)
专利内容由知识产权出版社提供
专利名称：METHOD AND SYSTEM FOR CONTROLLING
AN ELECTRIC MOTOR AT OR NEAR STALL
CONDITIONS
发明人：WU, Long,SHAW, Robert
申请号：EP12752924.6
申请日：20120222
公开号：EP2681064A1
公开日：20140108
摘要：A data processor determines whether a composite torque command is larger
than a preset torque threshold for a time interval. The composite torque command is
convertible into a direct-axis current command and a quadrature-axis current command.
The data processor determines whether a rotor speed of the motor is less than a preset
speed threshold for the time interval. The data processor, the current adjustment
module, or the current shaping module adjusts the direct-axis current command and the
quadrature-axis current command to obtain a revised direct-axis current command and
revised quadrature-axis current command for the time interval if the composite torque
command is larger than the preset torque threshold and if the rotor speed is less than
the preset speed threshold, where the revised current commands vary by the detected
rotational position of the rotor to achieve a generally constant shaft torque output.
申请人：Deere & Company
地址：One John Deere Place Moline, IL 61265 US
国籍：US
代理机构：Holst, Sönke
更多信息请下载全文后查看