Methods and systems for determining a depth of an object
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United States of America Patent
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Aug 15, 2023
Grant Date -
Feb 11, 2021
app pub date -
Aug 7, 2019
filing date -
Aug 7, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A method comprising: providing an autonomous vehicle (AV) with a first estimated position of a target; directing the AV to travel toward the first estimated position at a constant velocity; receiving echo signals of transmitted sonar signals, the echo signals indicating a range and an azimuth of the target; determining a depth difference of the AV and the target based on the received echo signals, the depth difference being determined based on changes to the range and azimuth of the target over time; and in response to a depth difference existing, re-directing the AV toward a second estimated position of the target generated from the depth difference.
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