Title :
Capacitive sensor for relative angle measurement
Author :
Fulmek, Paul L. ; Wandling, Florian ; Zdiarsky, Wolfgang ; Brasseur, Georg ; Cermak, Stefan P.
Author_Institution :
Christian Doppler Lab. for Automotive Meas. Res., Vienna Univ. of Technol., Austria
fDate :
12/1/2002 12:00:00 AM
Abstract :
Based on a capacitive angle and angular rate sensor, a sensor measuring the relative angle between two rotating shafts has been developed. Two rotatable electrodes are placed between two sensor plates. The relative angle between the two rotors and the absolute position of the rotor blades are calculated from measurements of the capacitive coupling between different transmitting stator segments and a single receiving electrode. A prototype of this sensor has been developed with a range of the relative angle of ±7.5° with a resolution of 0.1°.
Keywords :
angular measurement; capacitive sensors; capacitive sensor; relative angle measurement; rotatable electrode; rotating shaft; rotor blade; stator segment; Acceleration; Capacitive sensors; Electrodes; Goniometers; Magnetic sensors; Materials science and technology; Pressure measurement; Rotation measurement; Shafts; Silicon;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
DOI :
10.1109/TIM.2002.808052
