Title :
Improvement of position-sensing characteristics in self-sensing active magnetic bearings
Author :
Morita, Kozo ; Yoshida, Toshiya ; Ohniwa, Katsumi ; Miyashita, Osamu
Author_Institution :
Dept. of Electr. Eng., Tokyo Denki Univ.
Abstract :
An improvement technique of position-sensing characteristics in self-sensing active magnetic bearings is proposed. Winding-current interference to the estimated position signal is reduced by a modified signal path. The gain and phase characteristics of the proposed self-sensing method agree well with a reference sensor signal up to over 1 kHz
Keywords :
electromagnetic interference; magnetic bearings; windings; position estimation; position-sensing characteristics; reference sensor signal; self-sensing active magnetic bearings; self-sensing method; winding-current interference; Demodulation; Electromagnets; Force control; Interference; Magnetic levitation; Magnetic sensors; Pulse width modulation; Sensor phenomena and characterization; Sensorless control; Voltage; Magnetic device; Self-sensing control; Sensorless control;
Conference_Titel :
Power Electronics and Applications, 2005 European Conference on
Conference_Location :
Dresden
Print_ISBN :
90-75815-09-3
DOI :
10.1109/EPE.2005.219344
