%0 Journal Article %T Error Recovery in a Real-Time Multiprocessor System %A Li Weihua %A Yuan Youguang %J 计算机科学技术学报 %D 1992 %I %X In this paper,a new scheme for recovering errors due to transient faults in a real-time multiprocessor system is presented.The scheme,called dynamic redundancy at the task level,is implemented in a real-time multitasking environment,Utilizing the facilities in the operating system,the scheme makes backup tasks for the primary tasks as redundancy.The paper introdues an algorithm to generate a fault tolerant schedule for the tasks so that they recover errors as retry of checkpointing does.A reliability model is proposed to evahuste the effectiveness of the scheme. %K 处理器 %K 实时多处理系统 %K 错误恢复 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=F57FEF5FAEE544283F43708D560ABF1B&aid=B68AE62DB7B81D3D320848D619F7BEEF&yid=F53A2717BDB04D52&vid=DF92D298D3FF1E6E&iid=CA4FD0336C81A37A&sid=06EA2770E96C5402&eid=117F81797AB182FC&journal_id=1000-9000&journal_name=计算机科学技术学报&referenced_num=0&reference_num=0