%0 Journal Article
%T An Online Diagnosable Fault-Tolerant Redundancy System
%A Shi Weigeng
%A StephenY.H.Su
%J 计算机科学技术学报
%D 1987
%I 
%X This paper presents an online diagnosable fault-tolerant system: N-unit t-fault tolerablesystem. The number of units N in the system can be either odd or even. The relationshipbetween N and t (the number of faulty units which can be tolerated) is presented. The approachof an optimum N- unit t-fault tolerable system is also given. As an example, a 4-unit 2-faulttolerable system is discussed. The reliability and mean time to failure of 4-unit 2-fault tolerablesystem are shown to be higher than 5MR (5-modular redundancy) and TMR (Triple ModulerRedundancy) system reliabilities. The amount of hardware components in a 4-unit t-faulttolerable system is simpler than 5MR. The complexity of switching circuit for N-unit t-faulttolerable system increases only linearly with respect of the number of modules. Our scheme isalso simpler than the hybrid redundancy system. Some theorems for the online diagnosis of N-unit t-fault systems are given and proved.
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=F57FEF5FAEE544283F43708D560ABF1B&aid=EBE8202210859DCD7F3BBDCB144E120F&yid=9C2DB0A0D5ABE6F8&vid=0B39A22176CE99FB&iid=E158A972A605785F&sid=85002451B65CE0D1&eid=4AD4BA66429F5627&journal_id=1000-9000&journal_name=计算机科学技术学报&referenced_num=0&reference_num=0