Title :
Motion capture system of magnetic markers using three-axial magnetic field sensor
Author :
Yabukami, S. ; Kikuchi, H. ; Yamaguchi, M. ; Arai, K.I. ; Takahashi, K. ; Itagaki, A. ; Wako, N.
Author_Institution :
Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan
fDate :
9/1/2000 12:00:00 AM
Abstract :
We have developed a magnetic motion capture system consisting of up to two magnetic markers (Nd-Fe-B magnet) and four three-axial sensors. The position and orientation of the magnetic markers (dipole) are detected by measuring the magnetic field of markers. Position accuracy of one marker is about 3 mm when a marker is located 150 mm from a sensor, position accuracy of two markers is about 20 mm when the markers are located 150 mm from sensors. The most common error source is crosstalk between the cores of three-axial sensors
Keywords :
crosstalk; fluxgate magnetometers; inverse problems; magnetic sensors; permanent magnets; position measurement; Nd-Fe-B; PM markers; error source; fluxgate sensor; inverse problem; magnetic dipole; magnetic markers; magnetic motion capture system; position accuracy; sensor cores crosstalk; three-axial magnetic field sensor; Gas detectors; Geophysical measurements; Magnetic cores; Magnetic field measurement; Magnetic sensors; Optical receivers; Position measurement; Sensor systems; Vehicle detection; Wiring;
Journal_Title :
Magnetics, IEEE Transactions on
