Title :
Open parallel-plate dielectric resonator for passive torque sensing
Author :
Hoppe, Jens ; Boccard, J.-M. ; Aftab, T. ; Yousaf, Awais ; Ojha, A. ; Ostertag, T. ; Reindl, Leonhard M.
Author_Institution :
Dept. of Microsyst. Eng., Univ. of Freiburg, Freiburg, Germany
Abstract :
This paper presents a novel torque sensing concept, based on resonant perturbation of an open parallel plate dielectric resonator. When torque is applied to the shaft, the air gap between the parallel plates fixed on a clamp system is changed, which in turn shifts the frequency of the dielectric resonator. Finite Element Method (FEM) simulations using HFSS (ANSYS®) and experimental results regarding the effects of air gap variation on the TE01δ mode in the 2-3 GHz range are presented to prove the sensing concept.
Keywords :
air gaps; clamps; dielectric resonators; electric sensing devices; finite element analysis; shafts; torquemeters; wireless sensor networks; FEM simulation; HFSS (ANSYS®); TE01δ mode; air gap variation; clamp system; finite element method; frequency 2 GHz to 3 GHz; open parallel plate dielectric resonator; passive torque sensor; resonant perturbation; shaft; turn shift; Antennas; Dielectrics; Finite element analysis; Q-factor; Resonant frequency; Surface acoustic waves; Time-frequency analysis; Open parallel-plate dielectric resonator; passive sensing; torque sensing; wireless sensing;
Conference_Titel :
Multi-Conference on Systems, Signals & Devices (SSD), 2014 11th International
Conference_Location :
Barcelona
DOI :
10.1109/SSD.2014.6808759
