Provided are a system for diagnosing an MHSG failure of a mild hybrid vehicle ana a method thereof. According to the present invention, for catalyst heating to shorten a catalyst activation time of an exhaust gas purifying apparatus immediately after starting an engine of the mild hybrid vehicle, when an MHSG is driven to assist an engine torque, performance abnormality diagnosis of the MHSG can be performed together. The system for diagnosing the MHSG failure of the mild hybrid vehicle of the present invention comprises: a data detection unit; and a controller.
본 발명은 마일드 하이브리드 차량의 엔진 시동 직후 배기가스 정화장치의 촉매 활성화 시간을 단축하기 위한 촉매 히팅을 위하여 MHSG가 엔진 토크를 보조하도록 구동될 때, MHSG의 성능 이상 진단이 함께 이루어질 수 있도록 한 마일드 하이브리드 차량의 MHSG 고장 진단 시스템 및 방법을 제공하고자 한 것이다.
MHSG SYSTEM AND METHOD FOR MHSG FAILURE DIAGNOSIS OF MILD HYBRID VEHICLE
마일드 하이브리드 차량의 MHSG 고장 진단 시스템 및 방법
2023-02-20
Patent
Electronic Resource
Korean
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen |
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