Title :
Hall sensor array for measuring displacement of a 2D magnet array
Author :
Hyeong Joon Ahn ; Kyoung Rock Kim
Author_Institution :
Dept. of Mech. Eng., Soongsil Univ., Seoul, South Korea
Abstract :
There are numerous cases where sensing signal is corrupted by harmonic components or a desired harmonic component is hidden in other harmonic signals. Therefore, various studies have been done in filtering or estimation algorithm to filter or extract harmonic signal. This paper presents sensor array for filtering of harmonic signals. First, 1D sensor array is introduced to filter n harmonic components. Then, 1D array is extended to 2D sensor array to filter out 2D harmonic signals. Finally, hall sensor array is built to measure displacement of a 2D magnet array and its performance is verified with experiments.
Keywords :
Hall effect devices; displacement measurement; estimation theory; filtering theory; harmonic analysis; magnetic sensors; sensor arrays; 1D sensor array; 2D harmonic signal extraction; 2D magnet array; 2D sensor array; Hall sensor array; displacement measurement; estimation algorithm; harmonic components; harmonic signal filtering algorithm; sensing signal corruption; Arrays; Harmonic analysis; Magnetic flux density; Magnetic levitation; Magnetic separation; Power harmonic filters; Sensor array; displacment sensor for magnet array; filter; harmonic components;
Conference_Titel :
Automatic Control Conference (CACS), 2013 CACS International
Conference_Location :
Nantou
Print_ISBN :
978-1-4799-2384-7
DOI :
10.1109/CACS.2013.6734170
