Human presence detection by a capacitive proximity sensor

N. L. Buck, R. A. Aherin

Research output: Contribution to journalArticlepeer-review


Capacitive proximity sensors can detect a human body at short range without responding to small objects or dry organic matter. They can function when covered with water or mud. Possible uses include seat switches, floor switches, guards on the entrances to dangerous areas, and emergency power cutoffs on farm machinery. A prototype was built with a range of up to 20 cm.

Original languageEnglish (US)
Pages (from-to)55-60
Number of pages6
JournalApplied Engineering in Agriculture
Issue number1
StatePublished - Jan 1991

ASJC Scopus subject areas

  • General Engineering


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