A Physics-informed Neural Network Method for LC Parameter Estimation in Three-Phase Inverter

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Abstract

The DC-link capacitance and the AC-side inductance parameters can be used as feedback for control optimization and component degradation monitoring. This paper proposes a parameter estimation method based on the combination use of artificial neural network and circuit analytical models, e.g., physics-informed neural network (PINN), for a three-phase inverter application. It does not require any additional hardware circuitry and can be well-trained based on a small training dataset. A three-phase inverter case study is presented with theoretical analyses, simulations, and experimental verifications. The results show that satisfactory accuracy can be achieved for the estimation of DC-link capacitance and AC-side inductance parameters.
Original languageEnglish
Title of host publication2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia)
Number of pages6
PublisherIEEE (Institute of Electrical and Electronics Engineers)
Publication date2 Jul 2024
Pages3957-3962
ISBN (Print)979-8-3503-5134-7
ISBN (Electronic)979-8-3503-5133-0
DOIs
Publication statusPublished - 2 Jul 2024
Event2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia) - Chengdu, China
Duration: 17 May 202420 May 2024

Conference

Conference2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia)
LocationChengdu, China
Period17/05/202420/05/2024
SeriesInternational Power Electronics and Motion Control Conference (PEMC)
ISSN2473-0165

Keywords

  • Parameter estimation
  • capacitor
  • condition monitoring
  • inductor
  • physics-informed neural network
  • three-phase inverter

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