公开(公告)号：US20080315815A1

公开(公告)日：2008-12-25

申请号：US12120317

申请日：2008-05-14

申请人： Akira SERIZAWA ,  Byungeok SEO ,  Hiroo YABE

发明人： Akira SERIZAWA ,  Byungeok SEO ,  Hiroo YABE

IPC分类号： H02P31/00

CPC分类号： F01P7/08 ,  F01P2005/046 ,  F01P2031/24 ,  H02P29/0241

摘要： A control device for controlling a recovery from a locking of a motor includes: a switching unit which supplies a motor current from a current supplying unit to the motor; and a driving control unit which supplies a PWM control signal to the switching unit to control a driving of the switching unit. The driving control unit supplies the PWM control signal with a low duty ratio lower than a regular duty ratio to the switching unit when the locking of the motor is detected depending on a variation in temperature of the switching unit. The driving control unit supplies the PWM control signal with the regular duty ratio to the switching unit when a cancel of the locking of the motor is detected depending on a variation in inter-terminal voltage of the motor.

摘要翻译： 用于控制从电动机的锁定恢复的控制装置包括：切换单元，其将来自电流供应单元的电动机电流提供给电动机; 以及驱动控制单元，其向切换单元提供PWM控制信号以控制切换单元的驱动。 当根据切换单元的温度变化检测到电动机的锁定时，驱动控制单元向切换单元提供低于正常占空比的低占空比的PWM控制信号。 当根据电动机的端子间电压的变化来检测取消电动机的锁定时，驱动控制单元向开关单元提供具有规则占空比的PWM控制信号。