TY - GEN
T1 - The extraction technology of weak coupling AC signal in an electromagnetic localization system
AU - Wang, Xiaojing
AU - Song, Shuang
AU - Hu, Chao
PY - 2010
Y1 - 2010
N2 - In the program of bone surgery robot, we employ an electromagnetic method to locate the position of surgical instruments and surgical sites. In this processing, the key part is to extract the coupling voltage signals that are sensed by the sensing coils as accurately as possible, because it will affect the precision of location directly. However, in the real system, these coupling voltage signals are very weak and be drowned in noises. In this paper, we propose three methods to extract this signal accurately, which are phase lock amplifier, function fitting and Fast Fourier Transformation (FFT). Also we make theoretical analysis and emulation for each method, and show their experimental results. After sedulous comparison, we conclude function fitting is the most suitable method for this system.
AB - In the program of bone surgery robot, we employ an electromagnetic method to locate the position of surgical instruments and surgical sites. In this processing, the key part is to extract the coupling voltage signals that are sensed by the sensing coils as accurately as possible, because it will affect the precision of location directly. However, in the real system, these coupling voltage signals are very weak and be drowned in noises. In this paper, we propose three methods to extract this signal accurately, which are phase lock amplifier, function fitting and Fast Fourier Transformation (FFT). Also we make theoretical analysis and emulation for each method, and show their experimental results. After sedulous comparison, we conclude function fitting is the most suitable method for this system.
UR - https://www.scopus.com/pages/publications/79952918480
U2 - 10.1109/ROBIO.2010.5723494
DO - 10.1109/ROBIO.2010.5723494
M3 - 会议稿件
AN - SCOPUS:79952918480
SN - 9781424493173
T3 - 2010 IEEE International Conference on Robotics and Biomimetics, ROBIO 2010
SP - 1170
EP - 1175
BT - 2010 IEEE International Conference on Robotics and Biomimetics, ROBIO 2010
T2 - 2010 IEEE International Conference on Robotics and Biomimetics, ROBIO 2010
Y2 - 14 December 2010 through 18 December 2010
ER -