Bot position sensing
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United States of America Patent
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Apr 12, 2016
Grant Date -
Aug 27, 2015
app pub date -
Apr 13, 2015
filing date -
Dec 15, 2010
priority date (Note) -
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Abstract
A storage and retrieval system including a storage structure having storage shelves, each storage shelf having slats for supporting stored items where the slats are spaced apart from each other by a predetermined distance, an autonomous transport vehicle including at least one sensor configured to sense each of the slats and output a signal indicating when a slat is sensed, and a controller for verifying a location of the autonomous transport vehicle within the storage structure based on at least the output signal.
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