The object of the present invention is to provide a control method that can more effectively prevent freezing of an air exhaust system by specifying a vehicle condition with a high possibility of freezing and controlling a fuel cell system according to different criteria for each vehicle condition. To this end, the present invention performs air supercharge control according to a coolant temperature and an outside temperature, weight-applied air supercharge control according to the inclination of a vehicle, and forced temperature increase logic using a COD heater.

    본 발명에서는 결빙 가능성이 높은 차량 상태를 특정하고, 차량 상태 별로 다른 기준에 따라 연료전지 시스템을 제어함으로써 보다 효과적으로 공기 배기계 결빙을 방지할 수 있는 제어 방법을 제공하는 것에 목적이 있다. 이를 위해 본 발명에서는 냉각수 온도 및 외기온에 따른 공기 과급 제어, 차량 경사도에 따른 가중치를 적용한 공기 과급 제어, COD 히터를 이용한 강제 승온 로직을 실시하는 것에 특징이 있다.


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    Title :

    METHOD FOR CONTROLLING FUEL CELL SYSTEM TO PREVENT FREEZING OF AIR EXHAUST SYSTEM


    Additional title:

    연료전지 시스템의 공기 배기계 결빙 방지를 위한 제어 방법


    Contributors:
    JEON KANG SIK (author) / JANG JAE HUN (author) / YANG SUNG HO (author) / CHO SUNG MUN (author)

    Publication date :

    2020-06-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY




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