A novel adaptive Kalman filter with inaccurate process and measurement noise covariance matrices

Y Huang, Y Zhang, Z Wu, N Li… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
In this paper, a novel variational Bayesian (VB)-based adaptive Kalman filter (VBAKF) for
linear Gaussian state-space models with inaccurate process and measurement noise …

Efficient blind signal reconstruction with wavelet transforms regularization for educational robot infrared vision sensing

T Liu, H Liu, Y Li, Z Zhang, S Liu - IEEE/ASME Transactions on …, 2018 - ieeexplore.ieee.org
Fourier transform infrared (FTIR) imaging spectrometers are often corrupted by the problems
of band overlap and random noise during the infrared spectrum acquisition process. Such …

Robust Kalman filtering under model perturbations

M Zorzi - IEEE Transactions on Automatic Control, 2016 - ieeexplore.ieee.org
We consider a family of divergence-based minimax approaches to perform robust filtering.
The mismodeling budget, or tolerance, is specified at each time increment of the model …

Multi-objective iterative optimization algorithm based optimal wavelet filter selection for multi-fault diagnosis of rolling element bearings

C Ding, M Zhao, J Lin, J Jiao - ISA transactions, 2019 - Elsevier
Rolling element bearings (REBs) play an essential role in modern machinery and their
condition monitoring is significant in predictive maintenance. Due to the harsh operating …

Entropy and minimal data rates for state estimation and model detection

D Liberzon, S Mitra - Proceedings of the 19th International Conference …, 2016 - dl.acm.org
We investigate the problem of constructing exponentially converging estimates of the state of
a continuous-time system from state measurements transmitted via a limited-data-rate …

A Reinforced k-Nearest Neighbors Method With Application to Chatter Identification in High-Speed Milling

F Shi, H Cao, X Zhang, X Chen - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Chatter is a kind of self-excited vibration which will destroy the manufacturing process badly.
The detection or identification of chatter is attracting considerable interest for several years …

Sparse plus low rank network identification: A nonparametric approach

M Zorzi, A Chiuso - Automatica, 2017 - Elsevier
Modeling and identification of high-dimensional stochastic processes is ubiquitous in many
fields. In particular, there is a growing interest in modeling stochastic processes with simple …

On the robustness of the Bayes and Wiener estimators under model uncertainty

M Zorzi - Automatica, 2017 - Elsevier
This paper deals with the robust estimation problem of a signal given noisy observations.
We assume that the actual statistics of the signal and observations belong to a ball about the …

Online semi-parametric learning for inverse dynamics modeling

D Romeres, M Zorzi, R Camoriano… - 2016 IEEE 55th …, 2016 - ieeexplore.ieee.org
This paper presents a semi-parametric algorithm for online learning of a robot inverse
dynamics model. It combines the strength of the parametric and non-parametric modeling …

The harmonic analysis of kernel functions

M Zorzi, A Chiuso - Automatica, 2018 - Elsevier
Kernel-based methods have been recently introduced for linear system identification as an
alternative to parametric prediction error methods. Adopting the Bayesian perspective, the …