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公开(公告)号：US09780718B2
公开(公告)日：2017-10-03
申请号：US13882203
申请日：2010-11-02
IPC分类号： H02P29/02 , H02P15/00 , H02P29/028 , A47J43/08 , B01F15/00 , B01F7/00 , H02P29/032 , H02P25/10
CPC分类号： H02P29/028 , A47J43/08 , B01F7/00325 , B01F15/00389 , H02P29/032
摘要： A method of controlling a portable appliance includes measuring an input current supplied to a motor of the portable appliance and measuring a rotational speed of a shaft of the motor. The method also includes determining a current limit based on the rotational speed of the shaft using a substantially continuous function which relates a domain of rotational speeds to a range of current limits. The method further includes reducing, when the input current exceeds the current limit, the rotational speed of the shaft incrementally along the substantially continuous function until the input current is approximately equal to the current limit.
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公开(公告)号：US20130214716A1
公开(公告)日：2013-08-22
申请号：US13882203
申请日：2010-11-02
CPC分类号： H02P29/028 , A47J43/08 , B01F7/00325 , B01F15/00389 , H02P29/032
摘要： A method of controlling a portable appliance includes measuring an input current supplied to a motor of the portable appliance and measuring a rotational speed of a shaft of the motor. The method also includes determining a current limit based on the rotational speed of the shaft using a substantially continuous function which relates a domain of rotational speeds to a range of current limits. The method further includes reducing, when the input current exceeds the current limit, the rotational speed of the shaft incrementally along the substantially continuous function until the input current is approximately equal to the current limit.
摘要翻译： 控制便携式设备的方法包括测量提供给便携式设备的电动机的输入电流并测量电动机轴的转速。 该方法还包括使用基本上连续的功能来确定基于轴的转速的电流极限，其将转速范围与电流限制的范围相关联。 该方法还包括当输入电流超过电流极限时，减小轴的旋转速度，直到输入电流近似等于电流极限。
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