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Optimized Replication of ADC-Based Particle Counting Algorithm with Reconfigurable Multi-Variables in
Seungmin Lee1, Jisu Kwon1, Daejin Park1
1School of Electronic and Electrical Engineering, Kyungpook National University, Daegu 41566, Republic of Korea.
Sensors (Basel, Switzerland)
|July 8, 2023
Summary
This study simplifies particle counting for low-cost embedded devices. A new algorithm reduces processing time by 87% and error by 58.5%, enabling accurate single-sensor replication of multi-sensor particle count data.
Area of Science:
- Embedded Systems
- Sensor Technology
- Digital Twins
Background:
- Digital twin applications are expanding, driving cost optimization research.
- Low-power embedded devices are explored for cost-effective digital twin implementations.
- Replicating multi-sensing device performance with single-sensing devices is a key challenge.
Purpose of the Study:
- To achieve similar particle count results from a single-sensing device as a multi-sensing device.
- To develop a simplified particle count algorithm without prior knowledge of the multi-sensing acquisition method.
- To reduce computational complexity and improve efficiency in particle counting.
Main Methods:
- Applied data filtering to suppress noise and baseline drift in raw sensor data.
- Simplified the multi-threshold particle count determination algorithm for look-up table utilization.
- Developed a novel, simplified particle count calculation algorithm.
Main Results:
- Reduced optimal multi-threshold search time by an average of 87%.
- Decreased root mean square error by 58.5% compared to existing methods.
- Confirmed similar particle count distribution shapes between single and multi-sensing devices.
Conclusions:
- The simplified algorithm effectively replicates multi-sensing particle count data using a single device.
- The method offers significant improvements in speed and accuracy for embedded digital twin applications.
- This approach enables cost-effective, high-performance particle sensing solutions.

