Fuel cell vehicle control method and fuel cell vehicle control apparatus

A fuel cell vehicle control method executed in a fuel cell vehicle having a fuel cell, an air supply device that supplies air to the fuel cell, a drive motor that drives a fuel cell vehicle using power from the fuel cell, and a transmission provided in a power transmission path between the drive motor and drive wheels, the method changing an output current depending on a required generated power of the fuel cell, and adjusting an air supply flow rate of the air supply device depending on the change of the output current, the method comprising:

• setting the required generated power of the fuel cell to power lower than the required generated power immediately prior to an inertia phase when a gearshift operation of the transmission is under the inertia phase of an upshift operation;
• and
• controlling the air supply flow rate to an inertia phase supply flow rate higher than the air supply flow rate set in response to a decrease of the output current of the fuel cell during the inertia phase.

A fuel cell vehicle control method executed in a fuel cell vehicle having a fuel cell, an air supply device that supplies air to the fuel cell, a drive motor that drives a fuel cell vehicle using power from the fuel cell, and transmission provided in a power transmission path between the drive motor and drive wheels, the method setting a required generated power of the fuel cell on the basis of required power of the drive motor, changing an output current depending on the required generated power of the fuel cell, and adjusting an air supply flow rate of the air supply device depending on the change of the output current, the method comprising:

• reducing the required power of the drive motor;
• and
• controlling the air supply flow rate to an inertia phase supply flow rate higher than the air supply flow rate set in response to a decrease of the output current when a gearshift operation of the transmission is under an inertia phase of an upshift operation.

A fuel cell vehicle control method executed in a fuel cell vehicle having a fuel cell, an air supply device that supplies air to the fuel cell, a drive motor that drives a fuel cell vehicle using power from the fuel cell, and transmission provided in a power transmission path between the drive motor and drive wheels, the method changing an output current depending on a required generated power of the fuel cell and adjusting an air supply flow rate of the air supply device depending on the change of the output current, the method comprising:

• reducing the output current in response to a decrease of the required generated power of the fuel cell when a gearshift operation of the transmission is under an inertia phase of an upshift operation;
• and
• controlling an inertia phase supply flow rate as an air supply flow rate during the inertia phase to a target value identical to a target value of the supply air flow rate immediately prior to transition to the inertia phase.