Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Model-based Sensor Fault Detection Algorithm for EMB System

EMB 시스템의 모델 기반 센서 고장 검출 알고리즘 개발

  • Hwang, Woo-Hyun (Department of Automotive Engineering, Graduate School, Hanyang University) ;
  • Yang, I-Jin (Department of Automotive Engineering, Graduate School, Hanyang University) ;
  • Huh, Kun-Soo (Department of Automotive Engineering, Hanyang University)
  • 황우현 (한양대학교 대학원 자동차공학과) ;
  • 양이진 (한양대학교 대학원 자동차공학과) ;
  • 허건수 (한양대학교 미래자동차공학과)
  • Received : 2010.02.01
  • Accepted : 2011.07.27
  • Published : 2012.01.01
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Abstract

The brake-by-wire technology is a new automotive chassis system that allows standard braking operations by electronic components with lighter weights and faster response. The brake-by-wire units such as EMB (Electro-Mechanical Brake) are controlled by electronic sensors and actuators and, thus, the fault diagnosis is essential for implementation. In this study, a model-based fault diagnosis system is developed for the sensors based on the analytical redundancy method. The fault detection algorithm is verified in simulations for various faulty cases. A test bench is built including the EMB unit and the performance of the proposed fault diagnosis system is evaluated through the experiment.

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References

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