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1. 发明授权

US07872435B2 Motor control apparatus 有权
标题翻译：电机控制装置
公开(公告)号：US07872435B2
公开(公告)日：2011-01-18
申请号：US12107358
申请日：2008-04-22
申请人： Nobuyuki Imai , Yoshinari Murayama , Junji Inoue
发明人： Nobuyuki Imai , Yoshinari Murayama , Junji Inoue
IPC分类号： G05B11/28
CPC分类号： H02P6/183 , H02P21/06 , H02P21/22
摘要： A motor control apparatus provided with an inverter for successively commutating the current to a motor using a PWM signal; a PWM signal generating device for generating the PWM signal using a carrier signal; a rotational state quantity sensor for detecting a rotational state quantity; a phase difference detecting device for detecting the phase difference between the carrier signal and the rotational period based on the rotational state quantity; a frequency setting device for setting a frequency of the carrier signal to a value in accordance with a multiplier for one period in terms of electrical angle of the rotational period of the motor, when the rotational frequency is equal to or greater than a specified frequency and the phase difference is equal to or less than a specified value; and a synchronizing device for synchronizing a control period of the carrier signal to the rotational period.
摘要翻译：一种电动机控制装置，具有逆变器，用于使用PWM信号将电流顺序地转换到电动机; PWM信号产生装置，用于使用载波信号产生PWM信号; 用于检测旋转状态量的旋转状态量传感器; 相位差检测装置，用于根据转动状态量检测载波信号与转动周期之间的相位差; 频率设定装置，用于当所述旋转频率等于或大于指定频率时，将所述载波信号的频率设定为与所述电动机的旋转周期的电角度相关的一个周期的乘数的值;以及相位差等于或小于指定值; 以及用于使载波信号的控制周期与转动周期同步的同步装置。

2. 发明申请

US20080265831A1 MOTOR CONTROL APPARATUS 有权
标题翻译：电动机控制装置
公开(公告)号：US20080265831A1
公开(公告)日：2008-10-30
申请号：US12107358
申请日：2008-04-22
申请人： Nobuyuki IMAI , Yoshinari Murayama , Junji Inoue
发明人： Nobuyuki IMAI , Yoshinari Murayama , Junji Inoue
IPC分类号： H02P27/08
CPC分类号： H02P6/183 , H02P21/06 , H02P21/22
摘要： A motor control apparatus provided with an inverter for successively commutating the current to a motor using a PWM signal; a PWM signal generating device for generating the PWM signal using a carrier signal; a rotational state quantity sensor for detecting a rotational state quantity; a phase difference detecting device for detecting the phase difference between the carrier signal and the rotational period based on the rotational state quantity; a frequency setting device for setting a frequency of the carrier signal to a value in accordance with a multiplier for one period in terms of electrical angle of the rotational period of the motor, when the rotational frequency is equal to or greater than a specified frequency and the phase difference is equal to or less than a specified value; and a synchronizing device for synchronizing a control period of the carrier signal to the rotational period.
摘要翻译：一种电动机控制装置，具有逆变器，用于使用PWM信号将电流顺序地转换到电动机; PWM信号产生装置，用于使用载波信号产生PWM信号; 用于检测旋转状态量的旋转状态量传感器; 相位差检测装置，用于根据转动状态量检测载波信号与转动周期之间的相位差; 频率设定装置，用于当所述旋转频率等于或大于指定频率时，将所述载波信号的频率设定为与所述电动机的旋转周期的电角度相关的一个周期的乘数的值;以及相位差等于或小于指定值; 以及用于使载波信号的控制周期与转动周期同步的同步装置。

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