default author photo

Qinkai Han

Tsinghua University

Beijing, 100084

China

  • Tsinghua University

SCHOLARLY PAPERS

11

DOWNLOADS

327

TOTAL CITATIONS

0

Scholarly Papers (11)

Actions:
Email selected abstracts
1.

Triboelectric Based High-Precision Self-Powering Cage Skidding Sensor and Application on Main Bearing of Jet Engine

Number of pages: 12 Posted: 08 Apr 2022
Shuai gao, Qinkai Han, Ziyuan Jiang, Xuening Zhang, Paolo Pennacchi and Fulei Chu
Polytechnic University of Milan, Tsinghua University, Tsinghua University, Chinese Academy of Sciences (CAS), Polytechnic University of Milan and Tsinghua University
Downloads 71 (867,774)

Abstract:

Loading...

triboelectric nanogenerators, skidding sensor, cage stability, real-time monitoring, ball bearing.

2.

Extremely Compact and Lightweight Triboelectric Nanogenerator for Spacecraft Flywheel System Health Monitoring

Number of pages: 20 Posted: 23 Oct 2023
Shuai Gao, Tenghao Ma, Ningning Zhou, Jigang Feng, Jun Luo, Paolo Pennacchi, Fulei Chu and Qinkai Han
Chongqing University, Tsinghua University, Beijing Institute of Control Engineering, Tsinghua University, Shanghai University, Polytechnic University of Milan, Tsinghua University and Tsinghua University
Downloads 52 (1,041,696)

Abstract:

Loading...

Triboelectric nanogenerators, ball bearing, cage whirling, self-sensing, spacecraft

3.

Dual Triboelectric Gear-Bearing Assembly with Condition Monitoring Capability: Targeted at Planetary Gear Transmission Systems

Number of pages: 18 Posted: 14 Jun 2024
Shuai Gao, Tenghao Ma, Lanyu Liu, Huayan Pu, Yun Kong, Tianyang Wang, Jun Luo, Fulei Chu and Qinkai Han
Chongqing University, Tsinghua University, Wuhan University of Technology, Chongqing University, Beijing Institute of Technology, Tsinghua University, Chongqing University, Tsinghua University and Tsinghua University
Downloads 47 (1,097,529)

Abstract:

Loading...

planetary gearbox, rolling bearing, Condition Monitoring, non-stationary condition, self-sensing

4.

Micro-textured cage for enhanced tribo-dynamics in rolling bearings: Experiments and fluid-structure modelling

Number of pages: 30 Posted: 18 Nov 2025
Shuai Gao, Shuyuan Zhang, Shuai Li, Jintao Xiao, Qinkai Han, Ningning Zhou, Tao Qing, Huayan Pu and Jun Luo
Chongqing University, Chongqing University, Chongqing University, Chongqing University, Tsinghua University, Beijing Institute of Control Engineering, Beijing Institute of Control Engineering, Chongqing University and Chongqing University
Downloads 42 (1,183,237)

Abstract:

Loading...

Rolling bearing, micro-textures, cage stability, coefficient of friction, CFD, cage whirling

5.

Battery-free, built-in, and wireless transmission technique for condition monitoring of railway axle box roller bearings

Number of pages: 21 Posted: 27 Sep 2025
Shuai Li, Chen Zheng, Rui Zhang, Shuai Gao, Qinkai Han, Jian Hu, Ningning Zhou, Huayan Pu and Jun Luo
Beijing University of Chemical Technology, Tsinghua University, Chongqing University, Chongqing University, Tsinghua University, Chongqing University, Beijing Institute of Control Engineering, Chongqing University and Chongqing University
Downloads 36 (1,263,436)

Abstract:

Loading...

wireless transmission, self-powered, condition monitoring, axle box bearing, triboelectric nanogenerators, variable reluctance generator

6.

Experimental and computational-fluid-dynamic thermal model analysis on oil-flood angular contact ball bearing

Number of pages: 36 Posted: 11 Oct 2025
Shuai Gao, Jian Hu, Wenbin Huang, Liming Wang, Song Wang, Shuai Li, Jing Du, Qinkai Han, Huayan Pu and Jun Luo
Chongqing University, Chongqing University, Chongqing University, Chongqing University, Tsinghua University, Beijing University of Chemical Technology, Chongqing University, Tsinghua University, Chongqing University and Chongqing University
Downloads 27 (1,372,601)

Abstract:

Loading...

angular contact ball bearing, CFD, skidding, Cage, thermal effect

7.

Dual-channel triboelectric in-situ sensors for synchronous roller-cage kinematic monitoring, fault diagnosis and lubrication state prediction in cylindrical roller bearings

Number of pages: 25 Posted: 13 Jun 2026
Rui Zhang, Shuai Gao, Shuai Li, Ruoke Qin, Jintao Xiao, Qinkai Han, Gang Chen, Huayan Pu and Jun Luo
Chongqing University, Chongqing University, Beijing University of Chemical Technology, Chongqing University, Chongqing University, Tsinghua University, affiliation not provided to SSRN, Chongqing University and Chongqing University
Downloads 14

Abstract:

Loading...

8.

A Novel in-Situ Wireless Monitoring of Bearing Cage Vibration and Skidding via Integrated Triboelectric and MEMS Sensing

Number of pages: 23 Posted: 18 May 2026
Ruoke Qin, Song Wang, Shuai Gao, Shuai Li, Qinkai Han, Huayan Pu and Jun Luo
Chongqing University, Tsinghua University, Chongqing University, Beijing University of Chemical Technology, Tsinghua University, Chongqing University and Tongji University - Department of Cardio-Pulmonary Circulation
Downloads 14 (1,566,597)

Abstract:

Loading...

Self-sensing intelligent bearing, cage vibration monitoring, bearing skidding, triboelectric nanogenerator, multi-source information fusion

9.

Experimental and Computational-Fluid-Dynamic Thermal Model Analysis on Oil-Flood Angular Contact Ball Bearing

Number of pages: 33 Posted: 06 Aug 2025
Shuai Gao, Jian Hu, Wenbin Huang, Liming Wang, Song Wang, Shuai Li, Jing Du, Qinkai Han, Huayan Pu and Jun Luo
Chongqing University, Chongqing University, Chongqing University, Chongqing University, Tsinghua University, Beijing University of Chemical Technology, Chongqing University, Tsinghua University, Chongqing University and Chongqing University
Downloads 12 (1,534,404)

Abstract:

Loading...

angular contact ball bearing, CFD, skidding, cage, thermal effect

10.

Compact Hybrid Synchronous Wireless Triboelectric Sensors for Tacholess Bearing Skidding and Health Monitoring

Number of pages: 20 Posted: 16 Apr 2026
Shuai Li, Shuai Gao, Ruoke Qin, Jintao Xiao, Qinkai Han, Gang Chen, Liming Wang, Wenbin Huang, Huayan Pu and Jun Luo
Beijing University of Chemical Technology, Chongqing University, Chongqing University, Chongqing University, Tsinghua University, affiliation not provided to SSRN, Chongqing University, Chongqing University, Chongqing University and Chongqing University
Downloads 7 (1,561,096)

Abstract:

Loading...

triboelectric nanogenerators, Rolling bearing, Skidding, Self-sensing, Wireless condition monitoring

11.

Quantitative dual-modality measurement of bearing cage whirling-skidding instability: In-situ triboelectric sensing cross-validated by high-speed photography

Number of pages: 30 Posted: 09 Jul 2026
Shuai Gao, Ruoke Qin, Song Wang, Ningning Zhou, Liming Wang, Wenbin Huang, Huayan Pu, Qinkai Han and Jun Luo
Chongqing University, Chongqing University, Tsinghua University, Beijing Institute of Control Engineering, Chongqing University, Chongqing University, Chongqing University, Tsinghua University and Chongqing University
Downloads 5

Abstract:

Loading...

triboelectric sensor, high-speed photography, health monitoring, bearing cage, stability