发明授权
- 专利标题： Motor control apparatus and motor control method
- 专利标题（中）： 电机控制装置及电机控制方式
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申请号： US12241982申请日： 2008-09-30
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公开(公告)号： US08111030B2公开(公告)日： 2012-02-07
- 发明人: Chun-Lung Chiu , Ming-Shi Tsai , Po-Tsun Kuo , Chung-Hung Tang
- 申请人： Chun-Lung Chiu , Ming-Shi Tsai , Po-Tsun Kuo , Chung-Hung Tang
- 申请人地址： TW Taoyuan Hsien
- 专利权人： Delta Electronics, Inc.
- 当前专利权人： Delta Electronics, Inc.
- 当前专利权人地址： TW Taoyuan Hsien
- 代理机构： Muncy, Geissler, Olds & Lowe, PLLC
- 优先权： TW97119026A 20080523
- 主分类号： G05B11/28
- IPC分类号： G05B11/28
摘要：
A motor control apparatus and a motor control method determine whether the motor is in a back-pressure area so as to provide different rotation-speed control signals. When the fan is in the low duty cycle, a first circuit loop is switched on, so that the fan has more accurate rotation speed. When the fan is in the high duty cycle, a second circuit loop is switched on, so that the rotation speed of fan does not be limited to a constant rotation-speed as the fan enters the back-pressure area. Thus, the fan has larger airflow quantity and higher airflow pressure.
公开/授权文献
- US20090289585A1 MOTOR CONTROL APPARATUS AND MOTOR CONTROL METHOD 公开/授权日：2009-11-26
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