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Power optimisation for wearable heart rate measurement device with wireless charging
G Kiruthiga1, A Sharmila1, P Mahalakshmi1
1a School of Electrical Engineering (SELECT) , VIT University , Vellore , India.
Journal of Medical Engineering & Technology
|March 10, 2017
Summary
A new wearable device continuously monitors heart rate using reflectance-based photoplethysmography (PPG). It features wireless charging for improved durability and interoperability, enhancing patient monitoring for heart conditions.
Area of Science:
- Biomedical Engineering
- Wearable Technology
- Cardiovascular Monitoring
Background:
- Continuous heart rate monitoring is crucial for patients with heart conditions.
- Existing wearables face challenges with charging and durability.
Purpose of the Study:
- To develop a compact wearable device for continuous heart rate measurement.
- To integrate wireless charging for enhanced durability and user convenience.
Main Methods:
- Utilized reflectance-based photoplethysmography (PPG) for heart rate calculation.
- Implemented wireless charging following the Qi standard for interoperability and efficiency.
- Optimized inductive coupling through impedance matching and resonance for efficient power transfer.
Main Results:
- Developed a wearable device capable of continuous heart rate monitoring.
- Achieved IP67 and IP68 standards through wireless charging integration.
- Demonstrated efficient wireless power transfer with reduced losses.
Conclusions:
- The developed wearable offers a compact, durable, and efficient solution for continuous heart rate monitoring.
- Wireless charging enhances device practicality and interoperability for cardiovascular patient care.
Keywords:
Q-factorQi-standardWireless power consortiumcoupling coefficient (k)inductive couplingresonant frequencyMore Related Videos
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