System for determining error in a sensed machine position
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United States of America Patent
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Jan 10, 2017
Grant Date -
Oct 9, 2014
app pub date -
Apr 3, 2013
filing date -
Apr 3, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A system for determining an error in a sensed position of a machine includes a position sensing system, a dead reckoning system, and a controller. The controller is configured to determine a difference between a sensed position and a calculated position determined by dead reckoning. The difference is compared to an error threshold defining a maximum acceptable distance between the sensed position of the machine and the calculated position of the machine and an error signal generated if the difference exceeds the error threshold. A pair of offset dead reckoning processes may be used.
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International Classification(s)
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- G01P:MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, D....
- G01C:MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING....
- G01S:RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMI....
- G01R:MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC V....
- G01D:MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VAR....
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