Abstract: The mobile body control system includes: an acquisition unit that acquires information on the entry source and information on the destination of the first and second mobile bodies that enter the elevator car; and a determination unit that determines whether or not the first and second mobile bodies pass each other based on the information on the entry source and the information on the destination of the mobile body. When the determination unit determines that the passing of the first and second mobile bodies occurs, at least one of the first and second mobile bodies changes the operation plan.

Abstract: A combustor of a gas turbine engine includes a combustion chamber, pilot fuel supply unit configured to supply solely auxiliary fuel to a flame holding region in the combustion chamber, first auxiliary fuel amount adjustment unit configured to adjust an amount of the auxiliary fuel supplied from the pilot fuel supply unit, main fuel supply unit configured to supply unburned gas and the auxiliary fuel to an unburned gas combustion region in the combustion chamber continuous with the flame holding region, and second auxiliary fuel amount adjustment unit configured to adjust an amount of the auxiliary fuel, in which the first auxiliary fuel amount adjustment unit is configured to adjust the amount of the auxiliary fuel supplied from the pilot fuel supply unit to an amount for flame holding in the flame holding region throughout an operation of the gas turbine engine.