Title :
Theoretical analysis on the automotive electronic compass sensor
Author :
YI, Seung Hwan ; Park, J.H. ; Sung, Y.K.
Author_Institution :
Mando R&D Center, Kyong Ki Do, South Korea
Abstract :
In this analysis, the B-H curve was attained and assumed by Z and R type curves. The Bmax, Hc, the driving frequency and the demagnetizing factors are considered as parameters to solve a numerical solution. As the driving frequency increased from 4 kHz to 12 kHz-step 4 kHz-the output voltages increased from 147 mV to 446 mV in Z-type. The detection error due to the rotation angles are limited to +3 degrees. In the R type curve, the output voltages are in the range of 145 mV to 354 mV. As the coercive force Hc, is increased, the output voltage increased slightly. Considering the demagnetizing factor, the output voltages are reduced, but the detection error is decreased greatly
Keywords :
automotive electronics; compasses; fluxgate magnetometers; navigation; 145 to 446 mV; 4 to 12 kHz; R type curve; Z type curve; automotive electronic compass sensor; coercive force; demagnetizing factor; detection error; driving frequency; magnetization curve; maximum field; output voltage; rotation angle; Automotive electronics; Demagnetization; Earth; Global Positioning System; Magnetic analysis; Magnetic fields; Magnetic sensors; Magnetometers; Sensor phenomena and characterization; Voltage;
Conference_Titel :
Microelectronics and VLSI, 1995. TENCON '95., IEEE Region 10 International Conference on
Print_ISBN :
0-7803-2624-5
DOI :
10.1109/TENCON.1995.496419
