Autonomous mower navigation system and method
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United States of America Patent
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Jun 30, 2020
Grant Date -
Nov 9, 2017
app pub date -
May 5, 2017
filing date -
May 6, 2016
priority date (Note) -
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Abstract
A method for autonomous mower navigation includes receiving a return-to-zero encoded signal including a pseudo-random sequence, transforming the received signal to a non-return-to-zero representation, digitally sampling the non-return-to-zero signal representation in a time domain, filtering the sampled signal utilizing a reference data array based on the return-to-zero encoded signal to produce a filter output, and determining a location of the autonomous mower relative to a defined work area based on an evaluation of the filter output.
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