Sensor for measuring angular position, and measurement compensation method
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United States of America Patent
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Mar 19, 2019
Grant Date -
Nov 7, 2013
app pub date -
Oct 28, 2011
filing date -
Nov 18, 2010
priority date (Note) -
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Abstract
Method for compensating a reference measurement including a measurement of angular position α and a measurement of time T1 that are simultaneous at the time t1, for an angular position sensor of the type including a toothed wheel, includes the following steps: determination of a first measurement α of corresponding angular position at the moment in time t1 when a reference measurement is desired; triggering of a software acquisition function; substantially simultaneous acquisitions of a second measurement α′ of the angular position and of a measurement T2 of the time by software acquisition at a time t2; estimation of an error ΔT; and calculation of the compensated measurement of time, T1=T2−ΔT. A Sensor for measuring angular position, of the type including a toothed wheel, implementing such a compensation method is described.
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International Classification(s)
- G05B:CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTION....
- F02P:IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INT....
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- G04F:TIME-INTERVAL MEASURING
- G01B:MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIME....
- F02D:CONTROLLING COMBUSTION ENGINES
- G01D:MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VAR....
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