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Design of dual-duplex system and evaluation of RAM

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4 Author(s)
Hyunki Kim ; Motorola Korea Design Center, Seoul, South Korea ; Jungsuk Lee ; Keyseo Lee ; Hyuntae Lee

We develop the dual-duplex system that detects a fault using a hardware comparator which switches to a hot standby redundancy. This system is designed on the basis of MC68000 and can be used in VMEbus. To improve the reliability and safety, the dual-duplex system is designed in double modular redundancy. The failure rate of the electrical element is calculated in MILSPEC-217F by RELEX6.0 tool, and the system RAMS (reliability, availability, maintainability, safety) and MTTF (mean time to failure) are designed by Markov modeling and evaluated by Matlab. Since the dual-duplex system has high reliability, availability, and safety, it can be applied to embedded control systems like airplanes and high-speed railway systems

Published in:

Intelligent Transportation Systems, 2001. Proceedings. 2001 IEEE

Date of Conference: