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Fault Tolerant Control of Electric Power Steering System with Sensor Fault


Affiliations
1 Laboratory (LACS) Analysis, Design and Control of Systems, National Engineering School of Tunis, Universite de Tunis El Manar, LR 11ES20LACS, Box 37, Le Belvedere 1002 Tunis, Tunisia
2 Preparatory Engineering Institute of Tunis, Universite de Tunis, 2 RueJawaharlal Nehru Montfleury, 1089 Tunis, Tunisia
 

Objectives: A novel approach for diagnosis and control design that compensates sensor fault effects in electric power steering system (EPS) is proposed. Methods/Statistical Analysis: A Luenberger observer is used to estimate the fault of torque sensor for the EPS system. The fault tolerant control (FTC) based an inverse model of bond graph (BG) is used to compensate the fault of torsion bar sensor signal. The proposed control strategy presents an opportunity to improve EPS system performance and also reduce system complexity. Findings: The findings achieved are simulation tests, showed that the application of the synthesized law on the experimental of the EPS system show the effectiveness of the proposed approach. Application: The fault tolerant control based a bond graph model is an important step allows an improvement the rapidity of the compensation of fault in the system.
User

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  • Fault Tolerant Control of Electric Power Steering System with Sensor Fault

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Authors

Allous Manel
Laboratory (LACS) Analysis, Design and Control of Systems, National Engineering School of Tunis, Universite de Tunis El Manar, LR 11ES20LACS, Box 37, Le Belvedere 1002 Tunis, Tunisia
Zanzouri Nadia
Preparatory Engineering Institute of Tunis, Universite de Tunis, 2 RueJawaharlal Nehru Montfleury, 1089 Tunis, Tunisia

Abstract


Objectives: A novel approach for diagnosis and control design that compensates sensor fault effects in electric power steering system (EPS) is proposed. Methods/Statistical Analysis: A Luenberger observer is used to estimate the fault of torque sensor for the EPS system. The fault tolerant control (FTC) based an inverse model of bond graph (BG) is used to compensate the fault of torsion bar sensor signal. The proposed control strategy presents an opportunity to improve EPS system performance and also reduce system complexity. Findings: The findings achieved are simulation tests, showed that the application of the synthesized law on the experimental of the EPS system show the effectiveness of the proposed approach. Application: The fault tolerant control based a bond graph model is an important step allows an improvement the rapidity of the compensation of fault in the system.

References





DOI: https://doi.org/10.17485/ijst%2F2018%2Fv11i24%2F127418