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Solid Concentration Estimation by Kalman Filter.

Yongguang Tan1, Shihong Yue1

  • 1School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China.

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|May 10, 2020
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Summary
This summary is machine-generated.

This study introduces a novel Kalman filter fusion method to improve solid concentration (SC) estimation in solid-liquid two-phase flow. The new approach enhances accuracy by integrating direct and indirect sensor measurements for industrial applications.

Keywords:
Kalman filterdata fusionsolid concentrationsolid–liquid two-phase flow

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Area of Science:

  • Process Engineering
  • Fluid Dynamics
  • Sensor Technology

Background:

  • Solid concentration (SC) estimation is crucial in solid-liquid two-phase flow.
  • Direct measurements (e.g., gamma-ray sensors) have limitations like localized data and baseline inaccuracies.
  • Indirect sensor measurements offer complementary data for improving SC estimation accuracy.

Purpose of the Study:

  • To develop an improved SC estimation method by fusing direct and indirect sensor measurements.
  • To address the limitations of traditional SC measurement techniques.
  • To enhance the accuracy of SC estimation in industrial processes, particularly in dredging.

Main Methods:

  • Recovering interrelations between various sensor measurements.
  • Proposing a novel SC estimation method based on Kalman filter fusion.
  • Testing the method on representative flow patterns in dredging engineering.

Main Results:

  • The proposed Kalman filter fusion method significantly outperforms fused direct and indirect measurements.
  • The method demonstrates improved accuracy in real solid-liquid two-phase flow conditions.
  • Validation was conducted using data from dredging engineering applications.

Conclusions:

  • The integrated approach using Kalman filter fusion enhances SC estimation accuracy.
  • The developed method shows potential for broader applications beyond dredging engineering.
  • This work contributes to more reliable monitoring of solid-liquid two-phase flow.