发明名称 |
CONTROL APPARATUS FOR ELECTRIC MOTOR |
摘要 |
A control apparatus for an electric motor provided with a rotator having a permanent magnet and with a stator for generating a rotating magnetic field by an applied voltage and revolving the rotator includes: a rectangular wave inverter that applies a rectangular wave voltage onto the stator of the electric motor to drive the electric motor; a voltage converting section that raises or lowers an output voltage of a direct-current power supply and applies the voltage onto the rectangular wave inverter; an electrical angle acquiring section that acquires an electrical angle of the rotator of the electric motor; and an output voltage command generating section that generates a command for instructing the voltage converting section to output an electrical-angle synchronized voltage whose amplitude ripples in synchronization with a change of the electrical angle of the rotator acquired by the electrical angle acquiring section. In response to the command generated by the output voltage command generating section, the voltage converting section raises or lowers the output voltage of the direct-current power supply to a voltage indicated by the command and applies the voltage onto the rectangular wave inverter. This reduces a loss caused by a response delay of the electric motor. |
申请公布号 |
US2012242262(A1) |
申请公布日期 |
2012.09.27 |
申请号 |
US201013203671 |
申请日期 |
2010.02.02 |
申请人 |
ATARASHI HIROFUMI;HORIKAWA HITOSHI;NISHIDA TOSHIYUKI;KITA MASATO;KITA YOSHIE;HONDA MOTOR CO., LTD |
发明人 |
ATARASHI HIROFUMI;HORIKAWA HITOSHI;NISHIDA TOSHIYUKI;KITA MASATO;KITA YOSHIE |
分类号 |
H02P6/08 |
主分类号 |
H02P6/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|