3 papers
eess.SP2024
Signal-based online acceleration and strain data fusion using B-splines and Kalman filter for full-field dynamic displacement estimation
Aniruddha Das, Ashish Pal, Satish Nagarajaiah +2
Displacement plays a crucial role in structural health monitoring (SHM) and damage detection of structural systems subjected to dynamic loads. However, due to the inconvenience ass…
physics.comp-ph2024
KAN/MultKAN with Physics-Informed Spline fitting (KAN-PISF) for ordinary/partial differential equation discovery of nonlinear dynamic systems
Ashish Pal, Satish Nagarajaiah
Machine learning for scientific discovery is increasingly becoming popular because of its ability to extract and recognize the nonlinear characteristics from the data. The black-bo…
physics.comp-ph2024
Physics-informed AI and ML-based sparse system identification algorithm for discovery of PDE's representing nonlinear dynamic systems
Ashish Pal, Sutanu Bhowmick, Satish Nagarajaiah
Sparse system identification of nonlinear dynamic systems is still challenging, especially for stiff and high-order differential equations for noisy measurement data. The use of hi…