Abstract:
This paper designed and modeled a capacitive pressure sensor-based wireless coronary artery blood pressure sensor. A pressure sensor’s variable capacitor adjusts resonance frequency (26.78–27.09 MHz) based on applied pressure (0–30 KPa), sensor size, and human blood pressure (0–220 mmHg).
Capacitive sensitivity and diaphragm deflection were tested on capacitive pressure sensors shaped like circles and ellipses. The capacitive pressure sensor with Ellipse and circular shapes had its diaphragm thickness changed from 0.1 μm to 0.5 μm, but its cross-section area remained 1 mm 2.
Invasive sensors with circular and Ellipse capacitive pressure shapes and a smaller size (1) mm 2 showed high sensitivity.
Ellipse and circular capacitive pressure sensors had 7.73 and 9.94 ff mmHg −1, respectively. COMSOL Multiphysics simulated diaphragm deflection, while MATLAB simulated resonance frequency, capacitance, and capacitive sensitivity.
Keywords : Pressure Sensors, Capacitance, Biomedical Monitoring, Sensitivity, Resonant Frequency, Wireless Sensor Networks, Wireless Communication, Blood Pressure Measurement, Biomedical Communication, Biomedical Electronics, Blood Pressure Measurement, Blood Vessels, Capacitive Sensors, Capacitors, Diaphragms, Microsensors, Pressure Sensors
Note: Please discuss with our team before submitting this abstract to the college. This Abstract or Synopsis varies based on student project requirements.
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