A Noncontact Angle Sensor Based on Eddy Current Technique
Citations
45 citations
Cites background or methods from "A Noncontact Angle Sensor Based on ..."
...The existing electronic interface for eddy current angle sensors measures the impedance of the sensing coils as it changes as a function of angular displacement [48]....
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...In order to measure the inductance independent of coil resistance, circuits described in [48] and [126] are well suited....
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...The resolution of the eddy current sensors is a function of the skin depth of the target material [48]....
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...These could be used for sensors where the change in self-inductance is used to sense the angle information [48], [49], [52], [53]....
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...The circuit incorporated a phase-sensitive detector (PSD), which has outputs corresponding to the in-phase and quadrature components of coil voltages, and quadrature output will be proportional to the inductive reactance Xeq [48]....
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9 citations
Additional excerpts
...It also can be used to detect angle [22,23] and thickness [24]....
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6 citations
Cites background from "A Noncontact Angle Sensor Based on ..."
...CONTACTLESS linear and angular position detection of target objects is always a challenging issue [1]–[3]....
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6 citations
6 citations
References
696 citations
"A Noncontact Angle Sensor Based on ..." refers methods in this paper
...A Howland current source [33] was realized using an op-amp LF347....
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476 citations
"A Noncontact Angle Sensor Based on ..." refers methods in this paper
...The automotive applications include steering angle sensor, rotary switches, throttle angle, and accelerator pedal position sensors [1]....
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432 citations
132 citations
"A Noncontact Angle Sensor Based on ..." refers background or methods in this paper
...As the final output is obtained using a PSD, the interference signals induced in the coil will have a very low effect in the output [14]....
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...In this paper, the PSD is implemented in the virtual instrument using LabVIEW....
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...The output voltage vG (t) = √ 2 GVRE sin(ω t) of the amplifier G is used as the reference signal for the PSD, where VRE is the voltage across the external resistance RE ....
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...the phase difference between VA and VRE can be measured using a switching-type phase sensitive detector (PSD) [14] as given in Fig....
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...In order to find the suitable G, instead of measuring Req and RE , the phase difference between VA and VRE can be measured using a switching-type phase sensitive detector (PSD) [14] as given in Fig....
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105 citations
"A Noncontact Angle Sensor Based on ..." refers background in this paper
...The conventional rotary potentiometers [3] (resistive) require a spring-loaded wiper contact....
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