Results 21 to 30 of about 6,526,626 (301)

Study on a Class of Piecewise Nonlinear Systems with Fractional Delay

open access: yesShock and Vibration, 2021
In this paper, a dynamic model of piecewise nonlinear system with fractional-order time delay is simplified. The amplitude frequency response equation of the dynamic model of piecewise nonlinear system with fractional-order time delay under periodic ...
Meiqi Wang   +3 more
doaj   +1 more source

Behavioral integrity for safety, priority of safety, psychological safety, and patient safety: A team-level study. [PDF]

open access: yesJournal of Applied Psychology, 2012
This article clarifies how leader behavioral integrity for safety helps solve follower's double bind between adhering to safety protocols and speaking up about mistakes against protocols. Path modeling of survey data in 54 nursing teams showed that head nurse behavioral integrity for safety positively relates to both team priority of safety and ...
Leroy, Hannes   +7 more
openaire   +5 more sources

Situated food safety behavior

open access: yesAppetite, 2020
Previous studies indicate that many consumers eat rare hamburgers and that information about microbiological hazards related to undercooked meat does not necessarily lead to changed behavior. With this study we aim to investigate whether consumers' willingness to eat hamburgers, both risky and safe, depends on the situation where they are confronted ...
Veflen, Nina Jeanette   +3 more
openaire   +6 more sources

Efficient image blur detection via hierarchical edge guidance and region complementation

open access: yesComplex & Intelligent Systems, 2023
Blur detection is aimed to recognize the blurry pixels from a given image, which is increasingly valued in vision-centered applications. Albeit great improvement achieved by recent deep learning-based methods, the overweight model and rough boundary ...
Xuewei Wang   +3 more
doaj   +1 more source

Modified Bouc−Wen model based on a fractional derivative for describing the hysteretic characteristics of magnetorheological elastomers

open access: yes工程科学学报, 2022
As a new type of magnetic sensitivity smart material, magnetorheological elastomers showing a good magnetorheological effect have been broadly applied in the field of intelligent structures and devices.
Peng WANG   +4 more
doaj   +1 more source

Dimension reduction graph‐based sparse subspace clustering for intelligent fault identification of rolling element bearings

open access: yesInternational Journal of Mechanical System Dynamics, 2021
Sparse subspace clustering (SSC) is a spectral clustering methodology. Since high‐dimensional data are often dispersed over the union of many low‐dimensional subspaces, their representation in a suitable dictionary is sparse.
Le Zhao, Shaopu Yang, Yongqiang Liu
doaj   +1 more source

Effect of Boundary Conditions on the Mechanical Behavior of the Geogrid–Soil Interface

open access: yesApplied Sciences, 2021
Geogrid-reinforced structures are extensively adopted in various engineering fields. At present, the influence of boundary conditions was not considered in design methods, bringing hidden dangers to the safety of the structure.
Zheng Zuo   +4 more
doaj   +1 more source

An Improved Parameter-Adaptive Variational Mode Decomposition Method and Its Application in Fault Diagnosis of Rolling Bearings

open access: yesShock and Vibration, 2021
Variational mode decomposition (VMD) has been applied in the field of rolling bearing fault diagnosis because of its good ability of frequency segmentation.
Cuixing Li, Yongqiang Liu, Yingying Liao
doaj   +1 more source

A Novel Dynamic Absorber with Variable Frequency and Damping

open access: yesShock and Vibration, 2021
Smoothness and discontinuous (SD) oscillator is a nonlinear oscillator with the variable frequency, whose frequency can be varied with the smoothing parameter. However, how to adjust the smoothing parameter has not been solved in the actual device.
Tian Wang   +4 more
doaj   +1 more source

Experimental tests and theoretical analysis for mechanical behaviors of side wall opening construction in mined excavation subway station

open access: yesFrontiers in Earth Science, 2023
The connection of subway stations to surrounding underground spaces inevitably involves opening construction in the existing underground structure. The opening construction can strongly impact the existing underground structure when there is no reserved ...
Zhinan Hu   +3 more
doaj   +1 more source

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