Supervisory diagnostics for integrated vehicle stability system

Details Supervisory diagnostics for integrated vehicle stability system Supervisory diagnostics for integrated vehicle stability system

2006-11-14

2006-11-14

Jeanglaude, Gertrude A. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle diagnosis or maintenance indication

C701S032000, C701S034000, C303S140000, C340S438000, C340S439000

Reexamination Certificate

active

07136729

ABSTRACT:
A supervisory diagnostics system and related method for providing vehicle diagnostics for an integrated vehicle stability system that monitors the state of health of sensors, actuators, vehicle sub-system and communication sub-systems that are used in the stability control system. The diagnostics system employs an algorithm to determine whether the various sensors, actuators and sub-systems are operating properly. The algorithm determines whether the components and sub-systems are outputting valid signals at a component level. The algorithm also determines whether a bias of the sensors is below a predetermined limit. The algorithm further determines whether a comparison between the outputs of redundant sensors is below a predetermined threshold for a predetermined period of time. The system also performs a state of health analytical comparison of all the system signals. The system will go in to a fail-safe mode if a fault is detected.

REFERENCES:
patent: 5707117 (1998-01-01), Hu et al.
patent: 6623089 (2003-09-01), Amberkar
patent: 6625527 (2003-09-01), Ding et al.

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