Stress and/or accumulated damage monitoring system
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United States of America Patent
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Apr 19, 2016
Grant Date -
Aug 28, 2014
app pub date -
Sep 19, 2012
filing date -
Sep 20, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A system provides stress and/or accumulated damage monitoring on earth moving equipment, such as excavators, trucks, electric rope shovels and drills, hydraulic shovels, wheel loaders and graders. The system includes: strain gauges (51-60), each gauging strain at one of multiple strain gauge locations; a data acquisition unit (41) to acquire real-time strain data from the strain gauges (51-60); a processor and memory (42) to process the acquired real-time strain data to calculate one or more measures of actual accumulated damage and/or actual instantaneous stress; and at least one output device (37) to provide information comparing the measures with corresponding reference values.
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