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Statements

Subject Item
n2:RIV%2F00216305%3A26220%2F12%3APU98537%21RIV13-MSM-26220___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
The noise performance of four low cost and one reference classic gyroscope is estimated using the Allan variance (AV). The purpose is to highlight problems connected with this process and to decide which parameters are the most important if we want to choose the best gyro for a particular application. From the AV theory, basic kinds of noise and their characteristic slopes of the AV curve are known. For example, angle random walk has the slope of -1/2 and is caused by the white noise on the gyro output. However, the output of low cost gyro is usually corrupted by the more or less correlated noise. The level of correlation affects the slope of AV curve, so the better sensor has the slope closer to the theoretical value, thus a simpler model can be used. When collecting data for analysis, it is the most important to suppress temperature variations and vibrations. Attention should be paid to choose proper sampling frequency. Also the resolution and the connection of an acquisition card should be consider The noise performance of four low cost and one reference classic gyroscope is estimated using the Allan variance (AV). The purpose is to highlight problems connected with this process and to decide which parameters are the most important if we want to choose the best gyro for a particular application. From the AV theory, basic kinds of noise and their characteristic slopes of the AV curve are known. For example, angle random walk has the slope of -1/2 and is caused by the white noise on the gyro output. However, the output of low cost gyro is usually corrupted by the more or less correlated noise. The level of correlation affects the slope of AV curve, so the better sensor has the slope closer to the theoretical value, thus a simpler model can be used. When collecting data for analysis, it is the most important to suppress temperature variations and vibrations. Attention should be paid to choose proper sampling frequency. Also the resolution and the connection of an acquisition card should be consider
dcterms:title
Experience With Allan Variance Method for MEMS Gyroscope Performance Characterization Experience With Allan Variance Method for MEMS Gyroscope Performance Characterization
skos:prefLabel
Experience With Allan Variance Method for MEMS Gyroscope Performance Characterization Experience With Allan Variance Method for MEMS Gyroscope Performance Characterization
skos:notation
RIV/00216305:26220/12:PU98537!RIV13-MSM-26220___
n10:predkladatel
n11:orjk%3A26220
n3:aktivita
n16:S n16:P
n3:aktivity
P(ED0014/01/01), S
n3:dodaniDat
n8:2013
n3:domaciTvurceVysledku
n22:7894910
n3:druhVysledku
n12:D
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
135491
n3:idVysledku
RIV/00216305:26220/12:PU98537
n3:jazykVysledku
n4:eng
n3:klicovaSlova
gyroscopes, microelectromechanical devices, noise, performance evaluation, sensitivity analysis
n3:klicoveSlovo
n6:noise n6:microelectromechanical%20devices n6:sensitivity%20analysis n6:performance%20evaluation n6:gyroscopes
n3:kontrolniKodProRIV
[BB7E3377684F]
n3:mistoKonaniAkce
Graz
n3:mistoVydani
445 Hoes Lane Piscataway, NJ 08855-1331 USA
n3:nazevZdroje
2012 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2012) Proceedings
n3:obor
n15:JB
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n18:ED0014%2F01%2F01
n3:rokUplatneniVysledku
n8:2012
n3:tvurceVysledku
Beneš, Petr Vágner, Martin Havránek, Zdeněk
n3:typAkce
n7:CST
n3:zahajeniAkce
2012-05-13+02:00
s:numberOfPages
5
n21:hasPublisher
IEEE Service Center
n9:isbn
978-1-4577-1771-0
n14:organizacniJednotka
26220