Angle transducers measure angle between track sections as longwall shearer proceeds along coal face. Distance transducer functions in conjunction with angle transducers to obtain relative angles at known positions. When cut is complete, accumulated data are stored on cassette tape, and track profile is computed and displayed. Micro-processor-based instrument integrates small changes in angle and distance.
Measuring Contours of Coal-Seam Cuts
NASA Tech Briefs ; 7 , 2
01.05.1983
Sonstige
Keine Angabe
Englisch
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