发明名称 |
Motor control device and compressor |
摘要 |
A motor control device performing vector control for a motor that drives a load whose load torque varies periodically. The motor control device has: a motor speed deriving portion estimating or detecting a motor speed; a speed controller producing a specified torque current value such that the motor speed is made to follow a specified motor speed value fed from outside; a resonance filter producing a corrected torque current value by receiving a control value that varies with variations in the load torque and emphasizing a periodic variation component of the control value; a torque current corrector producing a specified superimposed torque current value by superimposing the corrected torque current value on the specified torque current value; and an adjusting portion adjusting, based on the specified superimposed torque current value, a degree of emphasis placed on the variation component by the resonance filter. The vector control is performed according to the specified superimposed torque current value. |
申请公布号 |
US8084976(B2) |
申请公布日期 |
2011.12.27 |
申请号 |
US20080139958 |
申请日期 |
2008.06.16 |
申请人 |
HASHIMOTO EIICHIRO;SANYO ELECTRIC CO., LTD. |
发明人 |
HASHIMOTO EIICHIRO |
分类号 |
H02P7/00;H02P21/00;H02P27/00;H02P27/04 |
主分类号 |
H02P7/00 |
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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