Interval strategy-based regularization approach for force reconstruction with multi-source uncertainties

C Yang - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
A force reconstruction method for uncertain structures instead of direct measurement is
proposed in this paper. Considering the multi-source uncertainties as unknown-but …

Pattern dynamics of vegetation based on optimal control theory

LF Hou, L Li, L Chang, Z Wang, GQ Sun - Nonlinear Dynamics, 2025 - Springer
Vegetation pattern dynamics is a pivotal research domain in ecology, which can reveal the
impact of the non-uniform distribution of vegetation on ecosystem structure and function …

The new generation brain-inspired sparse learning: A comprehensive survey

L Jiao, Y Yang, F Liu, S Yang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In recent years, the enormous demand for computing resources resulting from massive data
and complex network models has become the limitation of deep learning. In the large-scale …

Non-convex sparse regularization via convex optimization for impact force identification

J Liu, B Qiao, Y Wang, W He, X Chen - Mechanical Systems and Signal …, 2023 - Elsevier
Instead of traditional Tikhonov regularization, sparse regularization methods like ℓ 1
regularization have been a popular choice for impact force identification because it can …

Blade dynamic strain non-intrusive measurement using L1/2-norm regularization and transmissibility

C Ao, B Qiao, L Chen, J Xu, M Liu, X Chen - Measurement, 2022 - Elsevier
Dynamic strain measurement is critical in blade vibration monitoring for evaluating the
residual life and health condition of rotating blades. Blade tip time (BTT) is recognized as a …

Identification of multi-axle vehicle loads on beam type bridge based on minimal residual norm steepest descent method

Z Chen, Y Fang, X Kong, L Deng - Journal of Sound and Vibration, 2023 - Elsevier
Moving force identification (MFI) from dynamic responses of bridges is a typical inverse
problem in the field of structural dynamics. To deal with the difficulties in identifying multi …

Impact force reconstruction and localization using nonconvex overlapping group sparsity

J Liu, B Qiao, Y Chen, Y Zhu, W He, X Chen - Mechanical Systems and …, 2022 - Elsevier
Although extensively studied, impact force identification is still a challenging task. When the
location of the impact force is unknown, an under-determined problem is usually required to …

Fast identification of random loads using the transmissibility of power spectral density and improved adaptive multiplicative regularization

Q Tang, J Xin, Y Jiang, J Zhou, S Li, L Fu - Journal of Sound and Vibration, 2022 - Elsevier
Random load identification (including load localization and reconstruction) plays a great
significance in structural optimization design and safety evaluation. However, conventional …

Moving force identification based on the nonnegative flexible conjugate gradient least square method and experimental verification

Z Chen, W Wang, X Kong, L Deng - Journal of Sound and Vibration, 2024 - Elsevier
Moving force identification (MFI) is an approach aimed at acquiring the time history of
unknown moving loads acting on a bridge, which is actually an inverse problem. The …

Shape sensing of Timoshenko beam subjected to complex multi-node loads using isogeometric analysis

K Chen, K Cao, G Gao, H Bao - Measurement, 2021 - Elsevier
An effective computational method, which employs fewer strain sensors to reconstruct the
Timoshenko beam under complex loads, is proposed. This method takes inverse Finite …