Method and device for operating an internal combustion engine

Details Method and device for operating an internal combustion engine Method and device for operating an internal combustion engine

2007-04-19

2010-12-14

Cronin, Stephen K (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S406170, C123S406220, C123S406410, C123S435000, C701S111000, C701S114000, C073S035120, C073S035130, C073S114160

Reexamination Certificate

active

07853393

ABSTRACT:
In an internal combustion engine with several cylinders, at least one cylinder is configured as a reference cylinder to which an active cylinder pressure sensor is allocated. A passive cylinder pressure sensor is allocated to each of the remaining cylinders. At least one actuating member is assigned to the cylinders. A crankshaft angle sensor is provided. During the quasi-stationary operating mode, the cylinder segment durations are equated, by an actuating member engaging in at least one actuating signal allocated to the respective cylinder. Furthermore, during the quasi-stationary operating mode, the measuring signal of the active sensor is allocated to the respective measuring signals of the passive sensors. As a result, the signal processing of the measuring signals of the passive sensors is adjusted depending on the respective measuring signals of the passive sensors captured during the quasi-stationary operating mode and on the allocated measuring signal of the active sensor.

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