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Weihua Zhang

Southwest Jiaotong University

No. 111, Sec. North 1, Er-Huan Rd.

Chengdu

Chengdu, 610031

China

SCHOLARLY PAPERS

7

DOWNLOADS

556

TOTAL CITATIONS

7

Scholarly Papers (7)

Transformer and Graph Convolution-Based Unsupervised Detection of Machine Anomalous Sound Under Domain Shifts

Number of pages: 21 Posted: 17 Oct 2023
Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University, Guilin University of Technology, Southwest Jiaotong University and The Portuguese National Academy of Sciences
Downloads 209 (362,658)
Citation 3

Abstract:

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Domain Shifts, Machine Anomalous Sound Detection, Deep Learning, Unsupervised Learning

Transformer and Graph Convolution-Based Unsupervised Detection of Machine Anomalous Sound Under Domain Shifts

Number of pages: 20 Posted: 18 Feb 2024
Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University, affiliation not provided to SSRN, Southwest Jiaotong University and The Portuguese National Academy of Sciences
Downloads 34 (1,296,409)
Citation 3

Abstract:

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Domain Shifts;Machine Anomalous Sound Detection; Deep Learning; Unsupervised Learning

2.

Reduced Track–Train–Pantograph–Catenary Interaction Model for Dynamic Analysis of Existing Overheads in Over-Design-Speed Operation

Number of pages: 27 Posted: 30 Aug 2022
Southwest Jiaotong University, affiliation not provided to SSRN, Southwest Jiaotong University, affiliation not provided to SSRN, University of Maryland Baltimore County, Southwest Jiaotong University and affiliation not provided to SSRN
Downloads 92 (730,864)

Abstract:

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Reduced beam model, pantograph-catenary dynamics, train-track dynamics, over-design speed.

3.

A Fault Diagnosis Method for Bogie Axle Box Bearing Based on Sound-Vibration Multiple Signal Fusion

Number of pages: 26 Posted: 02 Oct 2023
Zejun Zheng, Song Dongli, Weihua Zhang and Jia Chen
Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University and Southwest Jiaotong University
Downloads 52 (1,041,696)

Abstract:

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Fault Diagnosis, axle box bearing, data fusion, characteristic frequency, multi-channel filter bank

4.

High-Temperature Superconducting Magnetic Levitation with the Halbach Array and V-Shaped Combined Permanent Magnet Guideway

Number of pages: 9 Posted: 15 May 2024
affiliation not provided to SSRN, Southwest Jiaotong University, affiliation not provided to SSRN, affiliation not provided to SSRN, Southwest Jiaotong University and affiliation not provided to SSRN
Downloads 44 (1,132,890)

Abstract:

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HTS maglev, permanent magnet guideway, levitation force, V-shaped

5.

Cffsgram: A Candidate Fault Frequencies-Based Optimal Demodulation Band Selection Method for Axle-Box Bearing Fault Diagnosis

Number of pages: 26 Posted: 19 Oct 2022
affiliation not provided to SSRN, Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University and Southwest Jiaotong University
Downloads 43 (1,145,108)

Abstract:

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axle-box bearing, fault diagnosis, demodulation frequency band, candidate fault frequencies

6.

Study on Thermo-Mechanical Coupling Model in Pantograph-Catenary System of Rail Vehicle

Number of pages: 33 Posted: 24 Nov 2023
affiliation not provided to SSRN, affiliation not provided to SSRN, Southwest Jiaotong University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Southwest Jiaotong University
Downloads 42 (1,157,471)
Citation 1

Abstract:

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pantograph-catenary system, carbon slider, thermal-mechanical coupling, thermal stress

7.

Numerical Investigation of Aerodynamic Features and Flow Structure of a High-Speed High-Temperature Superconducting Maglev Train Under Crosswind Based on Reduced-Order Methods

Number of pages: 24 Posted: 20 Nov 2024
Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University and Shijiazhuang Tiedao University
Downloads 40 (1,182,860)

Abstract:

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High-speed maglev train, Crosswind, numerical simulation, reduced-order methods, POD, DMD