发明名称 |
Electric motor control device, electric vehicle, and hybrid electric vehicle |
摘要 |
An electric motor control device includes a direct current power source; an inverter interposed between an electric motor and the direct current power source, the inverter device controlling an exchange of electric power therebetween; an inverter control unit that generates PWM pulses having a duty ratio corresponding to voltage command signals and sends the PWM pulses to the inverter in order to switch the inverter; a frequency changing unit that changes a carrier frequency of the PWM pulses generated by the inverter control unit in a manner corresponding to a frequency control signal; and a motor control unit.
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申请公布号 |
US7928686(B2) |
申请公布日期 |
2011.04.19 |
申请号 |
US20080289691 |
申请日期 |
2008.10.31 |
申请人 |
AISIN AW CO., LTD. |
发明人 |
SAHA SUBRATA;FUJIWARA ISAO;NISHIMURA KEISUKE;HASEGAWA KAZUMA;OONO YOSHINORI;KINUGASA SEIICHI |
分类号 |
H02P5/00;F02N11/04 |
主分类号 |
H02P5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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