| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel cell system which, even when individual characteristics of an injector, etc. are different, can control the injection amount of fuel gas appropriately with high accuracy against fluctuations in an adjustment pressure value at the time of fuel gas injection.SOLUTION: A fuel cell system according to the present invention is composed so that fuel gas is supplied to the fuel cell by means of injection from a fuel gas supply device such as a plurality of injectors, the injectors being controlled to open and close from a controller. In this control, the controller estimates transition of a fuel gas pressure P on upstream of the injectors indicated by a line L1 in Fig. 3 (A) and also learns in advance a minimum value Pafter the pressure P has overshot. Then, on the basis of the estimated transition of the pressure P, the controller calculates an injection time of the injectors and thereby ensures that the necessary amount of fuel gas is injected to the fuel cell appropriately with high accuracy. |
