Reliability Analysis of Aircraft Condition Monitoring Network Using an Enhanced BDD Algorithm  

作　　者：ZHAO Changxiao CHEN Yao WANG Hailiang XIONG Huagang 

机构地区：[1]School of Electronics and Information Engineering, Beihang University, Beijing 100191, China

出　　处：《Chinese Journal of Aeronautics》2012年第6期925-930,共6页中国航空学报（英文版）

基　　金：National Natural Science Foundation of China (60879024)

摘　　要：The aircraft condition monitoring network is responsible for collecting the status of each component in aircraft. The reliability of this network has a significant effect on safety of the aircraft. The aircraft condition monitoring network works in a real-time manner that all the data should be transmitted within the deadline to ensure that the control center makes proper decision in time. Only the connectedness between the source node and destination cannot guarantee the data to be transmitted in time. In this paper, we take the time deadline into account and build the task-based reliability model. The binary decision diagram （BDD）, which has the merit of efficiency in computing and storage space, is introduced when calculating the reliability of the network and addressing the essential variable. A case is analyzed using the algorithm proposed in this paper. The experimental results show that our method is efficient and proper for the reliability analysis of the real-time network.The aircraft condition monitoring network is responsible for collecting the status of each component in aircraft. The reliability of this network has a significant effect on safety of the aircraft. The aircraft condition monitoring network works in a real-time manner that all the data should be transmitted within the deadline to ensure that the control center makes proper decision in time. Only the connectedness between the source node and destination cannot guarantee the data to be transmitted in time. In this paper, we take the time deadline into account and build the task-based reliability model. The binary decision diagram （BDD）, which has the merit of efficiency in computing and storage space, is introduced when calculating the reliability of the network and addressing the essential variable. A case is analyzed using the algorithm proposed in this paper. The experimental results show that our method is efficient and proper for the reliability analysis of the real-time network.

关 键 词：reliability binary decision diagram aircraft condition monitoring network real-time network calculus 

分 类 号：TP393[自动化与计算机技术—计算机应用技术] TB114.3[自动化与计算机技术—计算机科学与技术]