The Fault Tolerant Output Selector Based on Fault-Detection Considering Realistic Fault Modes for Pedal Simulator of Brake-by-Wire System

Jian Hu Li; Man Bok Park; Hun Mo Kim

doi:10.4028/www.scientific.net/AMM.284-287.1946

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 284-287The Fault Tolerant Output Selector Based on...

The Fault Tolerant Output Selector Based on Fault-Detection Considering Realistic Fault Modes for Pedal Simulator of Brake-by-Wire System

Abstract:

A brake pedal simulator in a Brake-by-Wire system is studied for fault tolerant control of the brake pedal signals. This study is conducted for the pedal simulator installed with a sensor that generates two analogue signals. Several realistic fault modes recognized by automotive experts have been analyzed. To solve the fault modes, we propose a fault tolerant output selector that can handle transient, intermittent, or permanent faults. The fault tolerant output selector, based on a fault detection algorithm, uses the BLS(brake light switch) signal and the Acc(acceleration pedal) signal to find faults and isolate them. To confirm the system performance, the fault modes were simulated. The result showed the reliability and safety of the pedal simulator for dealing with unexpected faults.

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Periodical:

Applied Mechanics and Materials (Volumes 284-287)

Pages:

1946-1950

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.284-287.1946

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Online since:

January 2013

Authors:

Jian Hu Li, Man Bok Park, Hun Mo Kim

Keywords:

Brake Light Switch (BLS), Fault Detection, Fault Tolerant, Fuzzy Exception Handler, Pedal Simulator

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References

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