Redundant Fault-tolerant Method for Real-time Measurement and Control System of Weapons and Equipment

doi:10.3969/j.issn.1000-1093.2016.11.015

Abstract

Abstract: A redundant fault-tolerant issue of a measurement and control system with compact PCI bus is studied to satisfy the requirements for high reliability of real-time measurement and control system. A redundancy design method is constructed, in which a heartbeat detection is used to connect the main and backup devices. And the high available hot-swap technology based on VxWorks real-time system is used to improve the redundant fault-tolerant capability of the system. A real-time fault-tolerance scheduling algorithm based on imprecise computation theory is proposed. The proposed algorithm is used for the measurement and control system to verify its improvement for redundant fault-tolerance. Simulated and experimental results show that the system can satisfy the requirements of redundancy and fault tolerance. The design method can effectively improve the reliability of the system.

Key words: ordnance science and technology, redundancy, fault-tolerance, reliability, imprecise computation, compact PCI bus

CLC Number:

TJ06

LI Dan, HU Xiao-guang. Redundant Fault-tolerant Method for Real-time Measurement and Control System of Weapons and Equipment[J]. Acta Armamentarii, 2016, 37(11): 2066-2074.

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