# Check if the obstables are around me

robotie
Do you know how to check if the obstables are around me within a ,say, given radius ? Any research papers available out there for me to read? Thanks

Staff Emeritus
Please elaborate. Presumably one could use the technology that auto-focus cameras use, or something like a laser (or optical) range finder:
http://repairfaq.ece.drexel.edu/sam/lr/,
http://www.opticsplanet.net/201000.html, http://www.fas.org/man/dod-101/sys/ship/weaps/an-say-1.htm,

or radar (i.e. microwave) systems - http://www.offshore-technology.com/contractors/instrumentation/miros/,

or acoustical systems - http://www.robot-electronics.co.uk/htm/srf1.shtml [Broken].

The technology depends on the range.

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