Time-of-flight localization
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United States of America Patent
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Apr 18, 2017
Issued Date -
N/A
app pub date -
Dec 17, 2014
filing date -
Dec 17, 2014
priority date (Note) -
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Abstract
Robotic units may operate in a workspace that is shared with human workers. In order to safeguard the workers, operation of a robotic unit may be inhibited when a worker is near the robotic unit. In order to determine the position of the worker and thereby determine the proximity of the worker and the robotic unit, a time-of-flight measurement is performed to determine the distance of the worker from each of multiple reference locations within or about the workspace. A circular bounding area is defined around each reference location based on the determined distances. A bounded position area is identified as the intersection of the circular bounding areas. The worker is then indicated as being within the bounded position area.
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