公开(公告)号：US20180198402A1

公开(公告)日：2018-07-12

申请号：US15525091

申请日：2016-05-11

申请人： Mitsubishi Electric Corporation

发明人： Kazuki TAKAHEI ,  Toshihiro AZUMA ,  Hiroki UEMURA

IPC分类号： H02P29/60

CPC分类号： H02P29/60 ,  H02P29/62

摘要： A motor control apparatus that controls a motor equipped with a cooling apparatus includes: an acquisition unit to acquire the temperature of the motor; a drive control unit to drive the motor and output a driving state and an operating condition of the motor as an operation information signal; and a cause determination unit to determine, on the basis of the temperature of the motor and the operation information signal, at least one of a plurality of causes of heat generation as a cause of heat generation by the motor.

公开(公告)号：US20190196440A1

公开(公告)日：2019-06-27

申请号：US16327860

申请日：2016-10-04

申请人： Mitsubishi Electric Corporation

发明人： Kotaro NAGAOKA ,  Hiroki UEMURA

IPC分类号： G05B19/402 ,  G05B19/404

CPC分类号： G05B19/402 ,  G05B19/404 ,  H02P29/00

摘要： A numerical control device that controls a servomotor on the basis of a machining program. The machining program determines whether or not to perform correction on reversal of a moving direction of a mechanical system driven in a movement axis direction by the servomotor. This is done on the basis of the machining program including an instruction that causes the reversal of the moving direction of the mechanical system and another instruction to be executed later than the instruction.