3 papers
nlin.AO2025
Adaptive Physics-Informed System Modeling with Control for Nonlinear Structural System Estimation
Biqi Chen, Chenyu Zhang, Jun Zhang +1
Accurately capturing the nonlinear dynamic behavior of structures remains a significant challenge in mechanics and engineering. Traditional physics-based models and data-driven app…
physics.comp-ph2025
Principal Component Stochastic Subspace Identification for Output-Only Modal Analysis
Biqi Chen, Jun Zhang, Ying Wang
Stochastic Subspace Identification (SSI) is widely used in modal analysis of engineering structures, known for its numerical stability and high accuracy in modal parameter identifi…
cs.LG2025
Online Physics-Informed Dynamic Mode Decomposition: Theory and Applications
Biqi Chen, Ying Wang
Dynamic Mode Decomposition (DMD) has received increasing research attention due to its capability to analyze and model complex dynamical systems. However, it faces challenges in co…