Hermann Hahn

Method and device for regulating an air-fuel ratio of an internal combustion engine

Method for controlling a heating device for heating a component, control device and motor vehicle with same

Method for operating an internal combustion engine, and control unit set up for carrying out the method

Lambda controller with balancing of the quantity of oxygen

Method and system for torque control of a hybrid automobile after a start

Expanded mixture control for reducing exhaust-gas emissions

Device and method for determining the need for regeneration in a NOstorage catalyst

Method for desulfurization of an NOx storage accumulator-catalyst arranged in an exhaust system of an internal combustion engine

Device and method for controlling the nox regeneration of a nox storage catalyst