2015
DOI: 10.1016/j.sna.2015.02.034
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Error analysis of theoretical model of angular velocity sensor based on magnetohydrodynamics at low frequency

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Cited by 12 publications
(8 citation statements)
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“…According to the study by Laughlin et al (2002), the relationship of the voltage φ and the angular velocity Ω is simplified as equation (9), which has been proved to deviate from the experimental curves at low frequency (Xu et al , 2015). …”
Section: Modified Simplified Model Of Mhd Arsmentioning
confidence: 99%
See 1 more Smart Citation
“…According to the study by Laughlin et al (2002), the relationship of the voltage φ and the angular velocity Ω is simplified as equation (9), which has been proved to deviate from the experimental curves at low frequency (Xu et al , 2015). …”
Section: Modified Simplified Model Of Mhd Arsmentioning
confidence: 99%
“…Laughlin and Smith (2001) displayed the frequency response experiment results and then Laughlin et al (2002) presented a simplified model of the sensor’s transfer function and illustrated that the poor performance is attributed to the weakened relative velocity owing to viscosity and electromagnetic force. Xu et al (2015) studied the theoretical model by numerical simulation and drew the conclusion that the simplified model used in the study by Laughlin et al (2002) cannot exactly reflect the performance at low frequency. However, the numerical model is not suitable to be implemented in data processing and difficult to be applied in the compensation.…”
Section: Introductionmentioning
confidence: 99%
“…For example, the angular velocity sensor based on a magnetically suspended control moment gyroscope (MSCMG) [13], the capacitive angular velocity sensor and the angular velocity sensor based on magnetohydrodynamics at low frequency [14,15], etc. Although these sensors have certain advantages of small volume and high damage impact resistance, they still have problems of small measuring ranges, zero drift and high cumulative errors when measuring rotational speed.…”
Section: Introductionmentioning
confidence: 99%
“…Laughlin et al [8] described the tested frequency response curves and proposed a simplified model of MHD ARS, which ignored some error sources in theory. Xu et al [9] presented the numerical simulation results and draw the conclusion that the sensor output could not be calculated at a single magnetic field value, but the effect of the non-uniform magnetic field on the measurement was not given. Many researches have shown that the fringing magnetic field has influence on the MHD characteristics [10] .…”
Section: Introductionmentioning
confidence: 99%