公开(公告)号：US07589490B2

公开(公告)日：2009-09-15

申请号：US11820271

申请日：2007-06-19

申请人： Achim Haesters ,  Bernd Dienhart ,  Joachim Waschkies ,  Guido Lindeke ,  Cornelius Peter ,  Angelika Peter, legal representative

发明人： Achim Haesters ,  Bernd Dienhart ,  Joachim Waschkies ,  Guido Lindeke ,  Cornelius Peter

IPC分类号： H02P23/00

CPC分类号： H02H7/0833 ,  G01R19/0092 ,  G01R31/2829 ,  H02H9/047

摘要： The subject of the present invention is a motor control system having a monitoring circuit for monitoring PWM control for a DC electric motor, the PWM control comprising a power end stage having at least one field effect transistor, which controls the current at the DC electric motor. The motor control system is designed to monitor the current at the DC electric motor. The motor control system detects the voltage drop across the field effect transistor and comprises a temperature sensor for detecting the temperature of the field effect transistor. Furthermore, the motor control system is designed to determine the resistance of the field effect transistor from the detected temperature thereof, and to determine the current at the DC electric motor from the resistance of the field effect transistor and from the voltage drop across the field effect transistor.

摘要翻译： 本发明的主题是具有用于监视直流电动机的PWM控制的监视电路的电动机控制系统，该PWM控制包括具有至少一个场效应晶体管的功率端级，其控制直流电动机 。 电机控制系统设计用于监控直流电动机的电流。 电机控制系统检测场效应晶体管两端的电压降，并包括用于检测场效应晶体管的温度的温度传感器。 此外，电动机控制系统被设计成根据其检测温度确定场效应晶体管的电阻，并根据场效应晶体管的电阻和场效应的电压降来确定直流电动机的电流 晶体管。

公开(公告)号：US20080008459A1

公开(公告)日：2008-01-10

申请号：US11820271

申请日：2007-06-19

申请人： Achim Haesters ,  Bernd Dienhart ,  Joachim Waschkies ,  Guido Lindeke ,  Cornelius Peter ,  Angelika Peter

发明人： Achim Haesters ,  Bernd Dienhart ,  Joachim Waschkies ,  Guido Lindeke ,  Cornelius Peter ,  Angelika Peter

IPC分类号： H02P7/29

CPC分类号： H02H7/0833 ,  G01R19/0092 ,  G01R31/2829 ,  H02H9/047

摘要： The subject of the present invention is a motor control system having a monitoring circuit for monitoring PWM control for a DC electric motor, the PWM control comprising a power end stage having at least one field effect transistor, which controls the current at the DC electric motor. The motor control system is designed to monitor the current at the DC electric motor. The motor control system detects the voltage drop across the field effect transistor and comprises a temperature sensor for detecting the temperature of the field effect transistor. Furthermore, the motor control system is designed to determine the resistance of the field effect transistor from the detected temperature thereof, and to determine the current at the DC electric motor from the resistance of the field effect transistor and from the voltage drop across the field effect transistor.

摘要翻译： 本发明的主题是具有用于监视直流电动机的PWM控制的监视电路的电动机控制系统，该PWM控制包括具有至少一个场效应晶体管的功率端级，其控制直流电动机 。 电机控制系统设计用于监控直流电动机的电流。 电机控制系统检测场效应晶体管两端的电压降，并包括用于检测场效应晶体管的温度的温度传感器。 此外，电动机控制系统被设计成根据其检测温度确定场效应晶体管的电阻，并根据场效应晶体管的电阻和场效应的电压降来确定直流电动机的电流 晶体管。