Experimental data pertaining to the long-therm study of satellite data transmission slip ring noise-generating phenomena are reported. Detailed test data from a 7,700-hour and an 8,100-hour experiment are included. Both average value instantaneous data are presented of ring/brush electrical contact resistance, ring/brush micromotions and ring/brush frictional forces. Interrelationships among these parameters are examined in an effort to understand the mechanisms of performance degradation. Results will be utilized to indicate further areas of experimentation that may lead to the improvement of data transmission slip ring performance. Suggestions are made for possible techniques to lower data transmission error rates through satellite slip rings. A microprocessor, which provides monitor and control capability, allows unattended operation as well as selective data acquisition through a set of variable parameter acceptance limits. Modifications and additions to the microprocessor software and data acquisition system, originally presented at the 26th International Instrumentation Symposium, are also reported.


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    Title :

    Test results of simulated satellite slip ring experiments


    Additional title:

    Testergebnisse von simulierten Satelliten-Schleifring-Experimenten


    Contributors:

    Published in:

    ISA Trans. ; 23 , 4 ; 27-38


    Publication date :

    1984


    Size :

    12 Seiten, 16 Bilder, 1 Tabelle, 5 Quellen


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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