TOLERATING FAILURES OF CONTINUOUS-VALUED SENSORS

被引:133
作者
MARZULLO, K
机构
来源
ACM TRANSACTIONS ON COMPUTER SYSTEMS | 1990年 / 8卷 / 04期
关键词
DISTRIBUTED SENSOR NETWORKS; FAULT-TOLERANCE; N-MODULE REDUNDANCY;
D O I
10.1145/128733.128735
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
One aspect of fault-tolerance in process control programs is the ability to tolerate sensor failure. This paper presents a methodology for transforming a process control program that cannot tolerate sensor failures into one that can. Issues addressed include modifying specifications in order to accommodate uncertainty in sensor values and averaging sensor values in a fault-tolerant manner. In addition, a hierarchy of sensor failure models is identified, and both the attainable accuracy and the run-time complexity of sensor averaging with respect to this hierarchy is discussed.
引用
收藏
页码:284 / 304
页数:21
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