G - Physics – 01 – M
Patent
G - Physics
01
M
341/68
G01M 15/00 (2006.01) F16H 59/18 (2006.01) F16H 61/12 (2010.01) G01C 25/00 (2006.01)
Patent
CA 1228654
ADAPTIVELY CALIBRATED SENSING MECHANISM FOR AN ENGINE DEMAND DEVICE Abstract of the Disclosure A position indication derived from the output signal of an engine demand device sensor is compensated for errors which tend to expand or contract the range of such output signal. The signal is compared to previously stored upper and lower reference values nominally corresponding to the limit positions of the demand device, and the position indication is derived in accordance with such comparison. The compensation is achieved by altering the previously stored upper and lower reference values at the initiation of each period of vehicle operation, in a sense to contract the range of output signals defined thereby, and by replacing the upper or lower reference values with the sensor output signal value during the ensuing period of vehicle operation if the sensor output signal value is greater or less than the upper or lower reference values, respectively.
467426
Lee Ronald A.
Mccoy William L.
Mcquinn Ted M.
General Motors Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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