[HTML][HTML] Data-driven cold starting of good reservoirs

L Grigoryeva, B Hamzi, FP Kemeth, Y Kevrekidis… - Physica D: Nonlinear …, 2024 - Elsevier
Using short histories of observations from a dynamical system, a workflow for the post-
training initialization of reservoir computing systems is described. This strategy is called cold …

Time-resolved ion energy measurements using a retarding potential analyzer for electric propulsion applications

A Thomas, K Lemmer - Review of Scientific Instruments, 2024 - pubs.aip.org
To completely characterize the evolving state of a plasma, diagnostic tools that enable
measurements of the time-resolved behavior are required. In this study, a gridded ion source …

Spatiotemporal data fusion and manifold reconstruction in Hall thrusters

D Eckhardt, J Koo, R Martin, M Holmes… - … Sources Science and …, 2019 - iopscience.iop.org
A critical breakthrough in the understanding of Hall effect thrusters (HETs) has been the
emergence of map** techniques to fuse multiple time-varying plasma measurements from …

An unstructured mesh approach to nonlinear noise reduction for coupled systems

A Kirtland, J Botvinick-Greenhouse, M DeBrito… - SIAM Journal on Applied …, 2023 - SIAM
To address noise inherent in electronic data acquisition systems and real-world sources,
Araki et al.[Phys. D, 417 (2021), 132819] demonstrated a grid-based nonlinear technique to …

A grid-based nonlinear approach to noise reduction and deconvolution for coupled systems

SJ Araki, JW Koo, RS Martin… - Physica D: Nonlinear …, 2021 - Elsevier
To varying degrees, all experimental measurements are corrupted by real-world noise
sources including electronic noise in the acquisition system, far-field perturbations in the …

Comparison of causality determination techniques in studying Hall-effect thrusters

C Huerta, C Greve, A Wong - Journal of Electric Propulsion, 2024 - Springer
Various causality determination techniques are compared, with a focus on application to
Hall-effect Thruster (HET) systems. The methods studied include Extended Convergent …

The Development of a Data-Driven Model Calibration Method for Plasma Physics Applications

CM Greve - 2019 - oaktrust.library.tamu.edu
The development and subsequent studies regarding statistical convergence for a data-
driven calibration approach to physics-based models are presented with the ultimate goal of …

[PDF][PDF] Data-Driven Modeling for Nonlinear Dynamics of Physical Phenomena in Hall Effect Thrusters

CM Grevea, K Harab, RS Martinc - 2019 - electricrocket.org
Ui, ω= ion acoustic speed Un= neutral speed xref= reference solution data xtrial= trial
solution data α= weighting of the Bohm mobility model ε= discrepancy between trial and …