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Changyun Li

China University of Petroleum (Beijing)

SCHOLARLY PAPERS

10

DOWNLOADS

414

TOTAL CITATIONS

0

Scholarly Papers (10)

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1.

Lightweight Defect Detection Algorithm for Embedded Systems Applied to Pipeline Automation Equipment

Number of pages: 20 Posted: 09 Dec 2024
Jiale Xiao, Lei Xu, Changyun Li, Ling Tang and Guogang Gang
China University of Petroleum (Beijing), China University of Petroleum (Beijing), China University of Petroleum (Beijing), China University of Petroleum (Beijing) and China University of Petroleum (Beijing)
Downloads 89 (753,595)

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YOLO, Lightweight convolution, Self-attention mechanism, Pipe defect detection, Knowledge distillation, Intelligent embedded system

2.

Infrared Imaging Detection for Gas Leakage Based on Residual-Enhanced Nnunetv2: Taking Methane Leakage from a Natural Gas Pipeline as a Case Study

Number of pages: 33 Posted: 02 May 2025
Lei Xu, Xiaoyu Ji, Jiale Xiao, Qi Gao, Ling Tang, Bihua Ou and Changyun Li
China University of Petroleum (Beijing), China University of Petroleum (Beijing), China University of Petroleum (Beijing), China University of Petroleum (Beijing), China University of Petroleum (Beijing), Yunnan Expressway Development Co and China University of Petroleum (Beijing)
Downloads 74 (875,328)

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Gas leak detection, Optical gas imaging, nnUNetv2, Semantic segmentation, Natural gas

3.

Lightweight Instance Segmentation for Integrated Measurement and Diagnosis of Natural Gas Pipeline Leaks

Number of pages: 35 Posted: 12 Apr 2025
Jiale Xiao, Xiaoyu Ji, Yibo Zhang, Lei Xu, Changyun Li and Bihua Ou
China University of Petroleum (Beijing), China University of Petroleum (Beijing), affiliation not provided to SSRN, China University of Petroleum (Beijing), China University of Petroleum (Beijing) and Yunnan Expressway Development Co
Downloads 52 (1,041,696)

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Natural gas pipeline, Pipeline leakage, Intelligent diagnosis, Instance segmentation, Deep learning

4.

Welding Formation, Microstructure and Mechanical Property Evolutions for the Laser-CMT Hybrid Welded Joints Under Various Welding Speeds

Number of pages: 48 Posted: 23 Dec 2025
Yuanze Ma, Chen Liu, Shuo Zhang, Hongbo Xia, Haoyue Li, Pengfei Guo, Caiwang Tan, Changyun Li, Jing Wang, Liqun Li and Peng He
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Yangzhou University, Harbin Institute of Technology, affiliation not provided to SSRN, Harbin Institute of Technology, China University of Petroleum (Beijing), affiliation not provided to SSRN, Harbin Institute of Technology and Harbin Institute of Technology
Downloads 43 (1,157,785)

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laser-CMT hybrid welding, welding speed, microstructure, Numerical Simulation, mechanical properties

5.

Mechanical Analysis of Metallic Hollow Sphere Deformation Under Quasi-Static Compression

Number of pages: 20 Posted: 19 Mar 2024
Qi Gao, Changyun Li, Ling Tang, Shaoxiang Sun, Yanbo yao and Lei Xu
China University of Petroleum (Beijing), China University of Petroleum (Beijing), China University of Petroleum (Beijing), affiliation not provided to SSRN, affiliation not provided to SSRN and China University of Petroleum (Beijing)
Downloads 39 (1,209,354)

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Metallic hollow sphere, numerical simulation, Quasi-static compression, Mechanical properties

6.

Deformation and Mechanical Properties Analysis of Metallic Hollow Spheres Under Quasi-Static Compression

Number of pages: 22 Posted: 06 Sep 2024
Qi Gao, Changyun Li, Ling Tang, Shaoxiang Sun, Yanbo yao and Lei Xu
China University of Petroleum (Beijing), China University of Petroleum (Beijing), China University of Petroleum (Beijing), affiliation not provided to SSRN, affiliation not provided to SSRN and China University of Petroleum (Beijing)
Downloads 35 (1,249,711)

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Metallic hollow sphere, numerical simulation, Quasi-static compression, mechanical properties

7.

Impact of Laser Oscillation on Molten Pool Properties in Narrow-gap Welding of 5A06 Aluminum Alloy

Number of pages: 51 Posted: 05 Dec 2025
Yuanze Ma, Chen Liu, Pengfei Guo, Haoyue Li, Jianfeng Gong, Caiwang Tan, Liqun Li, Changyun Li and Hongbo Xia
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Harbin Institute of Technology, affiliation not provided to SSRN, Harbin Institute of Technology, Harbin Institute of Technology, China University of Petroleum (Beijing) and Yangzhou University
Downloads 30 (1,332,057)

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Oscillated laser welding, Narrow gap, Plume, Molten pool behavior, Numerical analysis.

8.

Application of Machine Learning in the Study of Nickel-Coated Hollow Microsphere/Magnesium-Aluminum Matrix Composite Foam Material Properties

Number of pages: 35 Posted: 25 Jun 2025
Changyun Li, Shaoxiang Sun, Lin Jiang, Qi Gao, Zijian Jiang, Lei Xu and Wu Zhaolin
China University of Petroleum (Beijing), affiliation not provided to SSRN, China University of Petroleum (Beijing), affiliation not provided to SSRN, affiliation not provided to SSRN, China University of Petroleum (Beijing) and China Petroleum Logging Co Ltd
Downloads 24 (1,436,435)

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Nickel-coated hollow microspheres, Magnesium-aluminum matrix composite foam, Finite element simulation, Machine learning

9.

Effect of Nickel-Coated Hollow Glass Microspheres on the Microstructure and Mechanical Properties of Mg-Al Matrix Composite Foams

Number of pages: 33 Posted: 09 Apr 2025
Shaoxiang Sun, Lin Jiang, Ling Tang, Qi Gao, Changyun Li and Lei Xu
affiliation not provided to SSRN, China University of Petroleum (Beijing), affiliation not provided to SSRN, affiliation not provided to SSRN, China University of Petroleum (Beijing) and affiliation not provided to SSRN
Downloads 22 (1,470,786)

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Spark Plasma Sintering, Nickel-Coated Hollow Microspheres, Mg-Al Matrix Composite Foam, Density, Mechanical properties

10.

Cu-modified TS-1 adsorbents for efficient trace ethylene removal in postharvest fruit preservation

Number of pages: 41 Posted: 17 Apr 2026
Jingfei Xu, Yanan Wang, Dahong Jiang, Xicheng Jia and Changyun Li
affiliation not provided to SSRN, affiliation not provided to SSRN, Guangdong University of Petrochemical Technology, affiliation not provided to SSRN and China University of Petroleum (Beijing)
Downloads 6 (1,575,921)

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Ethylene removal, TS-1 zeolite, Copper encapsulation, Postharvest preservation, Active packaging