Method and system for accuracy of speed and acceleration...

Details Method and system for accuracy of speed and acceleration... Method and system for accuracy of speed and acceleration...

2006-10-31

2008-07-15

Lefkowitz, Edward (Department: 2855)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Signal frequency or phase correction

C073S514390, C073S117020, C324S207120, C324S207250, C324S202000

Reexamination Certificate

active

07400993

ABSTRACT:
A method and system for calculation of rotation dependent parameters in a system that senses shaft rotation of a toothed speed wheel. The method includes determining the passing edges of multiple gear teeth on a rotating speed wheel; calculating rotational speed of the rotating machine based on the passing edges of multiple gear teeth of the speed wheel; calculating a rotation independent tooth spacing correction factor for each gear tooth on the rotating wheel; and correcting the calculated rotational speed of the rotating machine using the tooth corrections.

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