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논문 기본 정보

자료유형
학술대회자료
저자정보
DaeSung Kim (Sungkyunkwan University) JinHwan Lee (Mando Corporation) ManYoung Yang (Mando Corporation) HongYong Bhae (Mando Corporation) Jae Wook Jeon (Sungkyunkwan University)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS 2018
발행연도
2018.10
수록면
1,556 - 1,561 (6page)

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초록· 키워드

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The reliability is defined as a probability that a system will perform properly for a specified period of time without any failures, and it is considered as one of the important design attributes. In automotive industry, safety-critical systems such as the electrical power steering (EPS) are considering dynamic redundant systems, which are configured two identical controllers, to ensure the higher functionality, reliability and distributed intelligence which can recover from failures. Two identically configured controllers (one active, one backup) should swap roles within the deadline in the redundancy scheme when a system failure is detected in active controller. A challenge of dynamic redundant systems is to determine a precise role as the active controller to operate a system, error detection of the active controller and how to take over to a backup controller in the defined time. Moreover, a role of each controller has to be independently protected to ensure mutual exclusion under safety requirements. This paper studies dynamic redundant architectures and arbitration control methods that can provide full fault-tolerance without any deviation of functionality even in the presence of faults. The system performance of the dynamic redundant architecture is evaluated experimentally by actual test scenarios to show the practical implication of our architecture.

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Abstract
1. INTRODUCTION
2. SAFETY ANALYSIS AND SAFETY-MEATURES IN CONVENTIONAL EPS SYSTEMS
3. APPROACHES FOR DYNAMIC REDUNDANT ARCHITECTURE AND ARBITRATION CONTROL
4. EXPERIMETNAL RESULTS ON FAULT DETECTION AND ARBITRAION CONTROL
5. CONCLUSIONS AND FUTURE WORK
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UCI(KEPA) : I410-ECN-0101-2018-003-003540276