Controlling injector(s) with piezoelectric actuator for injecting fuel under pressure into engine combustion chamber involves deriving control period and/or control angle correction from injector-specific charging time, fuel pressure

摘要

The method involves applying a defined current to the at least one injector, detecting a necessary injector-specific charging time for achieving a switch-off criterion and deriving a correction for the control period and/or a correction for the control angle from the injector-specific charging time and fuel pressure.