A new approach for sparse optimization with Moreau envelope to extract bearing fault feature

T Qiu, W Huang, Z Zhang, J Wang, Z Zhu - Mechanical Systems and Signal …, 2024 - Elsevier
The bearing fault feature detection and extraction from vibration signals are of great
significance in mechanical fault diagnosis and machine condition monitoring. Sparse …

Proximal Dogleg Opportunistic Majorization for Nonconvex and Nonsmooth Optimization

Y Zhou, W Dai - arXiv preprint arXiv:2402.19176, 2024 - arxiv.org
We consider minimizing a function consisting of a quadratic term and a proximable term
which is possibly nonconvex and nonsmooth. This problem is also known as scaled …

Collaborative Optimal Configuration of a Mobile Energy Storage System and a Stationary Energy Storage System to Cope with Regional Grid Blackouts in Extreme …

W Zhou, P Zhao, Y Lu - Energies, 2023 - mdpi.com
To address regional blackouts in distribution networks caused by extreme accidents, a
collaborative optimization configuration method with both a Mobile Energy Storage System …

An inexact proximal majorization-minimization algorithm for remote sensing image stripe noise removal

C Wang, X Zhao, Q Wang, Z Ma, P Tang - Numerical Algorithms, 2024 - Springer
The stripe noise existing in remote sensing images badly degrades the visual quality and
restricts the precision of data analysis. Therefore, many destriping models have been …