Fault tolerant displacement determination method

Details Fault tolerant displacement determination method Fault tolerant displacement determination method

1994-12-21

1997-02-11

Teska, Kevin J.

Boots, shoes, and leggings

36442404, 36455101, 123376, 123399, 123361, 731181, 73119R, B60K 4104, G01M 1500

Patent

active

056027320

ABSTRACT:
Resolution of redundant displacement sensor information to form a displacement value in an automotive electronic throttle control system provides for a varying contribution by each of a plurality of redundant sensors to the formation of the displacement value in accord with diagnosed variations in the fault status of the sensors. The number and type of fault conditions attributed to a specific sensor of the plurality over an analysis period are used to determine the relative degree by which that sensor will contribute to the displacement value formation. As an increasing number of fault conditions are attributed to a sensor, the relative degree of contribution of that sensor will gradually decrease. When severe fault conditions are attributed to a sensor, the relative degree of contribution of that sensor will rapidly decrease.

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