Within an ESA program to optimize the damage tolerance approach to design of Space Shuttle payloads, actual flight data from four Space Shuttle missions have been analyzed by NLR. The task was to derive typical mission event load spectra from loadtime accelerometer measurements. The quality of the analog input data, available to NASA for pre-processing, was such that derivation of valid load spectra could not be done directly. Prior to actual load spectra assessment, relatively complex procedures were necessary to clear the data, i.e. to positively identify valid load extremes and to eliminate erroneous data. Using results of the mission event load spectra assessment, synthesis procedures were developed later on to establish a representative test load sequence for use in a fatigue testing program. The paper describes characteristics of input data, signal quality aspects, tools to clear the data and the various data handling steps taken to arrive at the final load spectra.


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    Title :

    Analysis of Space Shuttle Accelerometer Data


    Contributors:

    Publication date :

    1990


    Size :

    13 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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