ELECTRIC STEERING APPARATUS AND METHOD

Disclosed are an electric steering apparatus and method in which torque is compensated so that a decrease in output torque of a motor can be minimized even when a single phase open failure occurs in one winding in a motor including a plurality of windings. According to an embodiment of the present i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHIN SEONG WOO, LEE JONG HOON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING
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Beschreibung
Zusammenfassung:	Disclosed are an electric steering apparatus and method in which torque is compensated so that a decrease in output torque of a motor can be minimized even when a single phase open failure occurs in one winding in a motor including a plurality of windings. According to an embodiment of the present invention, an electric steering apparatus comprises: a steering motor including a first winding and a second winding to which three-phase power is applied, respectively; a first control unit for controlling the power supplied to the first winding; and a second control unit for controlling the power supplied to the second winding. When an open failure occurs in either one phase of the first winding and the second windings, a control unit, which controls a winding including one phase in which an open failure occurs among the first control unit and the second control unit, performs torque compensation control for additional output of the compensation torque. 전동 조향 장치 및 방법이 개시된다. 본 발명의 일 실시예에 따른 전동 조향 장치는, 3상 전원을 각각 인가받는 제 1 권선 및 제 2 권선을 포함하는 조향 모터와, 상기 제 1 권선에 공급되는 전원을 제어하는 제 1 제어부와, 상기 제 2 권선에 공급되는 전원을 제어하는 제 2 제어부를 포함하고, 상기 제 1 권선의 한 상 및 상기 제 2 권선의 한 상 중 어느 하나에 개방 고장이 발생한 경우 상기 제 1 제어부 및 상기 제 2 제어부 중 개방 고장이 발생한 한 상을 포함하는 권선을 제어하는 제어부는 보상 토크의 추가 출력을 위한 토크 보상 제어를 수행한다.