APPLYING RULES FOR ISOCHRONOUS SAMPLING WITHIN ACQUISITION CYCLES TO ALL LEVELS OF FTI SYSTEM DEFINITION
AffiliationACRA CONTROL INC
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AbstractThis paper examines two rules for data acquisition that have advantages for today's Flight Test Instrumentation (FTI) systems where: • Data is acquired from physically separate test equipment • Deterministic (IRIG-106 (Ch. 4)) and non-deterministic networks co-exist • Data Acquisition Units (DAUs) from multiple vendors are required • Signal lists and sampling rates change rapidly • A time-coherent sampling strategy (even for smart sensors) is required These rules may aid not only in the selection of the data acquisition equipment but also the definition of the sampling, transmission, storage and analysis strategies.
SponsorsInternational Foundation for Telemetering