Ultrasonic Flow Sensing FPGA board USB.pptx

FPGA ultrasonic good for detection flow condition with high flow resolution and good performance

1. Ultrasonic Flow Sensing using FPGA-Based Signal Processing Non-invasive single-phase flow detection using immersible ultrasonic transducer

2. Introduction • Ultrasonic sensing is widely used in industrial fluid flow monitoring. • Benefits: Non-invasive, high accuracy, robust in diverse environments. • Immersible ultrasonic transducers enable precise measurement in water. • Detecting clean water flow requires real-time, accurate signal processing.

3. FPGA in Ultrasonic Sensing • FPGAs offer parallel processing and reconfigurable hardware. • Suitable for high-speed, real-time ultrasonic signal processing. • Time-of-Flight (ToF) method combined with Doppler analysis. • Signal processing: Moving average filter + Hilbert envelope extraction.

4. Previous Research Highlights • Hu [1]: FPGA-based ToF measurement using internal FPGA resources. • Soto et al. [2]: FPGA-based real-time signal compression (96.5%). • Wiranata et al. [3-5]: Embedded systems for flow and ultrasonic tomography.

5. Proposed FPGA-Based Flow Detection System • Utilizes immersible ultrasonic transducer for water flow sensing. • Combines ToF and Doppler analysis for flow measurement. • FPGA enables high-speed, accurate real-time signal processing. • Suitable for industrial and embedded instrumentation applications.