Jun Lu

ORCID: 0000-0001-7590-0933
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About
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Research Areas
  • Structural Engineering and Vibration Analysis
  • Structural Health Monitoring Techniques
  • Railway Engineering and Dynamics
  • Civil and Geotechnical Engineering Research
  • Rough Sets and Fuzzy Logic
  • Infrastructure Maintenance and Monitoring
  • Extenics and Innovation Methods
  • Structural Load-Bearing Analysis
  • Wind and Air Flow Studies
  • Fluid Dynamics and Vibration Analysis
  • Cardiac Imaging and Diagnostics
  • Vibration and Dynamic Analysis
  • Anomaly Detection Techniques and Applications
  • Geophysics and Sensor Technology
  • Advanced Computational Techniques and Applications
  • Algorithms and Data Compression
  • Data Mining Algorithms and Applications
  • Advanced MRI Techniques and Applications
  • Atrial Fibrillation Management and Outcomes

Heilongjiang University of Science and Technology
2024

Nanjing Institute of Railway Technology
2022-2023

Tongji University
2012-2023

Yunnan Nationalities University
2013

Long-span cable-stayed bridges are prone to significant vibrations under strong wind events such as typhoons, which pose a risk the bridge functioning and driving safety of passing vehicles. Structural health monitoring (SHM) systems were widely deployed in most long-span bridges, providing long-term measurements characteristics girders towers. This paper proposes data-driven approach predict vibration amplitudes girder towers for early warning based on state-of-the-art machine learning...

10.1016/j.engstruct.2022.115261 article EN cc-by-nc-nd Engineering Structures 2022-11-17

Due to the designing characteristics of long span and low stiffness, high-order vortex-induced vibration (VIV) suspension bridges may occur under a special wind environment. The prototype monitoring data make it feasible rapidly capture evaluate VIV behavior during bridge operation. Based on multisource load-response long-span in rare phenomenon, this paper comprehensively evaluated entire process input–output VIV. cause phenomenon is discussed, parameter estimated. human comfort vehicle...

10.1061/(asce)cf.1943-5509.0001571 article EN Journal of Performance of Constructed Facilities 2021-02-19

Excessive vibration of stay cables in strong winds has been a concern for bridge operators, which impairs the durability both and structure. This paper develops data-driven approach to predict amplitude cable using an ensemble learning model. The model aims vibrations in-plane out-of-plane directions, with wind speed, direction, turbulence intensity, deck acceleration as input variables. Especially, is included considering deck-cable interaction vehicle effects, significantly improved...

10.1080/15732479.2023.2165121 article EN Structure and Infrastructure Engineering 2023-01-10

Steel-truss-arch bridges have been applied in high-speed railway due to their excellent dynamic and static structural performance. Under the action of trains, steel connections between hangers decks suffer from repeated stresses, inducing potential fatigue problems or even failure. In this study, a multiaxial evaluation method was first created established based on critical damage-plane methodology, following which procedure also recommended. The methodology real-life strain data bridge an...

10.3390/app11031142 article EN cc-by Applied Sciences 2021-01-26

Abstract The segmentation of atrial scars in LGE-MRI images has huge potential value for clinical diagnosis and subsequent treatment. In practice, are usually manually calibrated by experienced experts, which is time-consuming prone to errors. However, automatic also faces difficulties due myocardial scars’ small size variable shape. present study introduces a dual branch network, incorporating edge attention, deep supervision strategy. Edge attention introduced fully utilize the spatial...

10.1088/2057-1976/ad6161 article EN Biomedical Physics & Engineering Express 2024-07-10

The stiffening girder of suspension bridge is usually erected by a deck unit erection gantry because low cost and short construction period. Mechanical behaviors for were investigated with an example Aizhai Bridge located in Hunan province. beam elements shell used the analyses steel truss moveable supports respectively.

10.4028/www.scientific.net/amr.446-449.2172 article EN Advanced materials research 2012-01-01

To investigate the seismic performance of interlayer-hinged suspended valve towers under high-intensity earthquake actions, hall and a ±800 kV ultra high voltage(UHV) converter station are selected as research objects. A finite element model is created for dynamic analysis, comparing responses between interlayer-rigid connected valves. The ground motions from different site types inputted calculation statistical analysis. results indicate that, compared to configuration, connection can...

10.1109/powercon58120.2023.10330956 article EN 2021 International Conference on Power System Technology (POWERCON) 2023-09-21

First the traditional objects-attribute information table converted into a objects-attribute-attribute value by using binary. Then two new concept is defined in this paper: vector instead of elementary sets (the equivalence classes R) and knowledge matrix relation R binary system. Put forward solution to lower upper approximations support subset on rough set matrix. Examples also are given.

10.4028/www.scientific.net/amm.347-350.2894 article EN Applied Mechanics and Materials 2013-08-01

The stiffening girder of suspension bridge is usually erected by a deck unit erection gantry because low cost and short construction period. Mechanical behaviors for were investigated with an example Aizhai Bridge located in Hunan province. beam elements shell used the analyses steel truss moveable supports respectively.

10.4028/scientific5/amr.446-449.2172 article EN Advanced materials research 2012-01-01
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