A method for estimating a charging rate of a low-voltage battery of a mild hybrid vehicle according to an embodiment of the present invention includes the steps of: calculating an initial charging rate of a low-voltage battery which supplies power to a load; calculating a deformation current value based on a rated capacity of the low-voltage battery and a current actually flowing in the low-voltage battery; and estimating a first charging rate of the low-voltage battery by performing current integration based on the initial charging rate and the deformation current value.
본 발명의 실시 예에 따른 마일드 하이브리드 차량의 저전압 배터리 충전률 추정 방법은 부하에 전원을 공급하는 저전압 배터리 초기 충전률을 산출하는 단계, 저전압 배터리의 정격용량 및 저전압 배터리에 실제로 흐르는 전류를 기초로 변형 전류 값을 산출하는 단계, 초기 충전률 및 변형 전류 값을 기초로 전류적산을 수행하여 저전압 배터리의 제 1 충전률을 추정하는 단계를 포함한다.
SOC HYBRID VEHICLE LOW BATTERY SOC ESTIMATING METHOD
하이브리드 자동차의 저전압 배터리 SOC 추정 방법
2017-01-23
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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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