Fault detection logic for engines

Details Fault detection logic for engines Fault detection logic for engines

2007-02-27

2007-02-27

Camby, Richard M. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle diagnosis or maintenance indication

C701S031000, C701S034000, C701S099000, C701S100000

Reexamination Certificate

active

10759220

ABSTRACT:
In a fault detection logic for an engine controller for the detection of too low or too high a thrust relative to an intended positive or negative acceleration, the positive or negative error of the engine pressure ratio and the positive or negative acceleration of an engine shaft are simultaneously compared with a specified threshold, with the simultaneously determined transgression of both thresholds safely identifying a loss of thrust control. Disturbances caused by engine surge or signal noise are eliminated.

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