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公开(公告)号：US12017707B2
公开(公告)日：2024-06-25
申请号：US16970383
申请日：2019-02-08
申请人： NIDEC CORPORATION
发明人： Shuji Endo , Akitoshi Harada , Tomoya Ueda , Masanori Watahiki , Tomonari Mori , Tokuji Tatewaki
摘要： A motor control system includes an inverter and a control calculation unit. The control calculation unit includes a voltage control calculation unit that calculates a voltage command value indicating a voltage to be applied to a motor from the inverter on the basis of a current deviation between the current command value and the actual current detection value, and a compensation calculation unit that compensates at least one of a k-th component and a 1/k-th component in the motor with respect to a signal value on at least one of an upstream side and a downstream side in a signal flow that passes through the voltage control calculation unit. The compensation calculation unit calculates a compensation value on the basis of an actual angular velocity value indicating an angular velocity at which the motor rotates and the target current command value, while also taking into account advance angle control.
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公开(公告)号：US11362608B2
公开(公告)日：2022-06-14
申请号：US16970952
申请日：2019-02-08
申请人： NIDEC CORPORATION
发明人： Shuji Endo , Akitoshi Harada , Tomoya Ueda , Masanori Watahiki , Tomonari Mori , Tokuji Tatewaki
摘要： One aspect of a noise compensation adjustment method includes: a measurement step of driving a motor to measure noise with respect to a coupled system including the motor and a driving body coupled to the motor and driven by the motor; an order identification step of, based on noise measured in the measurement step, identifying an order B of a component contributing to compensation of the noise from a k-th component and a 1/k-th component (k is an integer) in the rotation of the motor; an adjustment step of controlling driving of the motor using a component of the order B identified in the order identification step as a compensation value, and adjusting a component value of the order B to reduce the noise; and a recording step of recording the component value of the order B adjusted in the adjustment step as a compensation value for reducing the noise.
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