Electrical resistance tomography (ERT) applications to chemical engineering

M Sharifi, B Young - Chemical Engineering Research and Design, 2013 - Elsevier
Abstract Electrical Resistance Tomography (ERT) has the capability of offering time-evolving
multidimensional comprehensive process knowledge, enrichment of fundamental process …

Covariance matching based adaptive unscented Kalman filter for direct filtering in INS/GNSS integration

Y Meng, S Gao, Y Zhong, G Hu, A Subic - Acta Astronautica, 2016 - Elsevier
The use of the direct filtering approach for INS/GNSS integrated navigation introduces
nonlinearity into the system state equation. As the unscented Kalman filter (UKF) is a …

Unscented Kalman filter based sensor fusion for robust optical and electromagnetic tracking in surgical navigation

A Vaccarella, E De Momi… - IEEE Transactions …, 2013 - ieeexplore.ieee.org
Computer-aided surgery systems provide visual guidance to surgeons by showing the real-
time pose of surgical instruments overlaid on preoperative medical images of the patient …

A hybrid regularization method combining Tikhonov with total variation for electrical resistance tomography

X Song, Y Xu, F Dong - Flow Measurement and Instrumentation, 2015 - Elsevier
Electrical resistance tomography (ERT) is a promising measurement technique in industrial
process imaging. However, image reconstruction in ERT is an ill-posed inverse problem …

Unscented Kalman-filter-based simultaneous diagnostic scheme for gas-turbine gas path and sensor faults

L Yan, H Zhang, X Dong, Q Zhou… - Measurement Science …, 2021 - iopscience.iop.org
Sensor faults can cause incorrect estimations of gas path fault amplitudes in gas turbines. In
this paper, an unscented Kalman-filter (UKF)-based simultaneous diagnostic scheme for gas …

Nonstationary bubble shape determination in electrical impedance tomography combining Gauss–Newton optimization with particle filter

BF de Moura, MF Martins, FHS Palma, WB da Silva… - Measurement, 2021 - Elsevier
Abstract Electrical Impedance Tomography (EIT) is a technique utilized in multiphase flow
for identifying flow patterns and void-fraction calculation. An image made of the conductivity …

Adaptive Kalman filter-based information fusion in electrical impedance tomography for a two-phase flow

SP Pellegrini, FC Trigo, RG Lima - Mechanical Systems and Signal …, 2021 - Elsevier
Electrical impedance tomography (EIT) is a severely ill-posed nonlinear inverse problem. In
order to obtain solutions with physical meaning, the inverse of the model of measurements …

Neural network-aided variational Bayesian adaptive cubature Kalman filtering for nonlinear state estimation

Z Miao, H Shi, Y Zhang, F Xu - Measurement Science and …, 2017 - iopscience.iop.org
In this paper, a new variational Bayesian adaptive cubature Kalman filter (VBACKF) is
proposed for nonlinear state estimation. Although the conventional VBACKF performs better …

State estimation and inverse problems in electrical impedance tomography: observability, convergence and regularization

D Sbarbaro, M Vauhkonen, TA Johansen - Inverse Problems, 2015 - iopscience.iop.org
Solving electrical impedance tomography (EIT) inverse problems in real-time is a
challenging task due to their dimension, the nonlinearities involved and the fact that they are …

Unscented Kalman filter approach to tracking a moving interfacial boundary in sedimentation processes using three-dimensional electrical impedance tomography

AK Khambampati, A Rashid, UZ Ijaz… - … of the Royal …, 2009 - royalsocietypublishing.org
The monitoring of solid–fluid suspensions under the influence of gravity is widely used in
industrial processes. By considering sedimentation layers with different electrical properties …