Effect of a potentiometer gap on the measured mean of a wind direction signal

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TypeArticle
Journal titleBuilding Research Note
ISSN0701-5232
Volume121
Pages8
Subjectpotentiometers; wind direction; electrical measuring instruments; Air flow/Wind pressure; potentiomètre; direction du vent; instrument de mé sure électrique
AbstractThe use of a standard one-turn potentiometer to measure wind direction can create a problem because of the discontinuity in the potentiometer signal when the sliding contact passes from the maximum output level across the gap to the lowest output level, or vice versa. This results in an error in the calculation of the mean. This Note discusses a method of determining the effect of the gap by examining the measured mean and standard deviation of the wind direction signal.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierBRN-121
NRC number1653
NPARC number20377277
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Record identifier91da8dcc-24cc-4a21-8853-d8598aaec94d
Record created2012-07-24
Record modified2016-05-09
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