Operating Point Self-Regulator for Giant Magneto-Impedance Magnetic Sensor
Abstract
:1. Introduction
2. The Structure of GMI Sensor
2.1. The Structure of Magnetic Detector
2.2. The Design of GMI Sensor
2.3. The Operating Point Self-Regulator and the Passive Phase-Lag Compensation Network
3. Results and Discussion
3.1. The Perfromance of the Operating Point Self-Regulator
3.2. The Decision of the Operating Point
3.3. The GMI Sensor with the Compensated Self-Regulating System
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Uncompensated System | Compensated System | |
---|---|---|
Controller | Gain, K1 | Phase-lag network |
Step overshoot | 72.2% | 4.2% |
Settling time (milliseconds) | 23 | 35 |
Steady-state error for step | 5.6% | 2% |
Magnetic Field (μT) | 43.4 | 62 | 80.6 | 99.2 | 117.9 | 136.5 |
Output (increase) (V) | 0.4346 | 0.5207 | 0.6086 | 0.699 | 0.7987 | 0.8890 |
Output (decrease) (V) | 0.435 | 0.5260 | 0.6125 | 0.7026 | 0.7989 | 0.8909 |
Magnetic Field (μT) | 155 | 173.7 | 192 | 210.9 | 229.5 | 248.1 |
Output (increase) (V) | 0.9827 | 1.0834 | 1.1790 | 1.2768 | 1.3773 | 1.4887 |
Output (decrease) (V) | 0.9843 | 1.0846 | 1.1833 | 1.2849 | 1.3834 | 1.4887 |
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Zhou, H.; Pan, Z.; Zhang, D. Operating Point Self-Regulator for Giant Magneto-Impedance Magnetic Sensor. Sensors 2017, 17, 1103. https://doi.org/10.3390/s17051103
Zhou H, Pan Z, Zhang D. Operating Point Self-Regulator for Giant Magneto-Impedance Magnetic Sensor. Sensors. 2017; 17(5):1103. https://doi.org/10.3390/s17051103
Chicago/Turabian StyleZhou, Han, Zhongming Pan, and Dasha Zhang. 2017. "Operating Point Self-Regulator for Giant Magneto-Impedance Magnetic Sensor" Sensors 17, no. 5: 1103. https://doi.org/10.3390/s17051103