Method of controlling injection in a hydrogen internal combustion engine

Abstract

A method of controlling injection in a hydrogen internal combustion engine including a plurality of cylinders, Nc, wherein injection events are performed by applying drive signals to fuel injectors in order to inject predetermined fuel quantities of hydrogen includes the steps of: determining a nominal fuel quantity QC,N to be injected in a cylinder based on torque demand; determining whether the nominal fuel quantity QC,N falls within a predetermined forbidden region, FR, of a flow characteristic of the fuel injector; whereby if the nominal fuel quantity QC,N does not fall within FR, injecting the nominal fuel quantity QC,N into the cylinder; or if the nominal fuel quantity QC,N does fall within FR, then injecting into the cylinder a fraction of the nominal fuel quantity QC,N that does not fall within FR, or skipping fuel injection in the cylinder, and distributing the remainder of the nominal fuel quantity Qc, N over one or more subsequent injection events in other cylinder(s).

Dependencies are inferred from the claim text.