Browse Publications Technical Papers 2006-01-0009
2006-04-03

An Efficient Alternative for Computing Algorithm Detection Thresholds 2006-01-0009

Commonly, a significant event is detected when a normally stable engine parameter (ex. sensor voltage, sensor current, air flow, pedal position, fuel level, tire pressure, engine acceleration, etc.) transiently exceeds a calibrated detection threshold.
Many implementations of detection thresholds rely on multi-input lookup tables or functions and are complex and difficult to calibrate.
An approach is presented to minimize threshold calibration effort and complexity, while improving detection performance, by dynamically computing thresholds on-line based on current real-time data. Determining engine synchronization without a camshaft position sensor is presented as an illustrative application.

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