Electronic control device for aviation engine

Details Electronic control device for aviation engine Electronic control device for aviation engine

2007-11-20

2007-11-20

Kwon, John T. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S114000, C123S406110

Reexamination Certificate

active

11394094

ABSTRACT:
An electronic control device is provided for an aviation engine. Each cylinder of the engine is equipped with main ignition plugs and back-up ignition plugs. Lane A including a first CPU and lane B including a second CPU are included in an ECU. The ignition control system is multiplexed by the two lanes A, B. The first and second CPU independently calculate ignition timing for each cylinder based on each sensor signal, and then exchange the results of these calculations with each other. At each cylinder, ignition timing is synchronized in such a manner that ignition timing of the main ignition plugs and ignition timing of the back-up ignition plugs match. The electronic control device so configured has a high level of redundancy with a small number of CPU's. Thus, electronic control device can be provided for the aviation engine with few limitations placed in relation to installation location.

REFERENCES:
patent: 4656588 (1987-04-01), Kubo
patent: 5140592 (1992-08-01), Idleman et al.
patent: 5274645 (1993-12-01), Idleman et al.
patent: 5422808 (1995-06-01), Catanese et al.
patent: 6357427 (2002-03-01), Luttrelll et al.
patent: 6591167 (2003-07-01), Minowa et al.

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