Reliable detection of faults in measurement systems

作者: B. Bakhache , I. Nikiforov

DOI: 10.1002/1099-1115(200011)14:7<683::AID-ACS616>3.0.CO;2-Z

关键词: False alarmReliability engineeringGlobal Positioning SystemFault (power engineering)Receiver autonomous integrity monitoringSystem of measurementReal-time computingEngineeringStochastic processFault detection and isolationConstraint (information theory)

摘要: The goal of this paper is to discuss two special aspects fault detection in measurement systems. First, the main systems detect system degradation when it leads an unacceptable growth output errors. All other faults are no importance; moreover, their can be considered by user as a false alarm. Second, traditional on-line methods formulated that quickest abrupt changes stochastic process. A sensor also should detected quickly but sometimes (especially for safety-critical applications) imposes constraint on maximum delay detection. Specifically, fixes probability missed within given time-to-alarm. A new performance criterion reliable proposed and suboptimal change algorithms paper. application these Receiver Autonomous Integrity Monitoring (RAIM) schemes problem Global Positioning Systems (GPS) integrity monitoring discussed — self-contained great interest today many applications. Copyright © 2000 John Wiley & Sons, Ltd.

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