Assoc Prof Dr. Jiawen Xu | Engineering | Best Researcher Award

Southeast University | China

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Early Academic Pursuits 📚

Dr. Jiawen Xu's academic journey began with his undergraduate studies at the University of Science and Technology of China, where he pursued a Bachelor’s degree in Precision Machinery and Precision Instrumentation from 2005 to 2009. His interest in advanced engineering led him to continue his studies at the same institution for his Master’s degree, focusing on the same field under the guidance of Professor Zhihua Feng. Dr. Xu's pursuit of higher knowledge took him to the University of Connecticut, Storrs, where he completed his Ph.D. in Mechanical Engineering in 2017, working under Professor Tang Jiong. His early academic pursuits laid a strong foundation for his research in mechanical piezoelectric metamaterials and structural health monitoring.

Professional Endeavors 🛠️

Since 2018, Dr. Xu has served as an Associate Professor at the School of Instrument Science and Engineering, Southeast University, Nanjing, China. His professional career is distinguished by his involvement in cutting-edge research and development projects. Dr. Xu has led several key projects funded by national and provincial programs, including research on piezoelectric metamaterials and energy harvesting systems. His role in these projects underscores his expertise in vibration energy harvesting, structural health monitoring, and mechanical metamaterials.

Contributions and Research Focus 🔬

Dr. Xu's research is characterized by his innovative work in mechanical piezoelectric metamaterials and structural health monitoring. His contributions include:

• Mechanical Piezoelectric Metamaterials: Dr. Xu has developed signal processing methods for studying these materials, designed vibration modes, and explored vibration suspension using differential piezoelectric metamaterials.
• Piezoelectric Impedance Structural Health Monitoring: His research involves advanced techniques such as tunable inductance enhanced 1D-CNN, deep learning/transformer-based monitoring, and temperature decoupling using piezoelectric impedance.
• Gravity Wave Detection: Dr. Xu has worked on structural dynamics analysis and key technologies for mechanical differential measurement, utilizing deep learning for signal processing and denoising.
• Piezoelectric Vibration Energy Harvesting: His work includes broadband energy harvesting, multi-directional harvesting by cantilever-pendulum systems, and enhancing power output density through strain smoothing effects.

Accolades and Recognition 🏅

Dr. Xu has been recognized for his contributions to the field of mechanical engineering through various prestigious awards and roles. He is a Fellow of the Jiangsu Instrumental Society and serves as the Deputy Director of the Youth Committee of the Jiangsu Instrumental Society. Additionally, he is an expert reviewer for several high-impact journals, including the IEEE Transactions on Industrial Electronics and the Journal of Applied Physics. His extensive publication record in leading journals further attests to his significant impact in the field.

Impact and Influence 🌟

Dr. Xu's research has had a profound impact on the fields of mechanical metamaterials and energy harvesting. His work on piezoelectric metamaterials and structural health monitoring has advanced the understanding and application of these technologies in various engineering contexts. His innovative approaches to energy harvesting and structural analysis have contributed to advancements in sustainable and efficient engineering solutions. Dr. Xu’s role as a reviewer and expert in several scientific communities highlights his influence in shaping the future of mechanical engineering research.

Legacy and Future Contributions 🔮

Dr. Xu’s ongoing research and leadership in the field of mechanical engineering continue to shape future advancements. His projects, such as those related to piezoelectric metamaterials and gravity wave detection, promise to push the boundaries of current technology and engineering practices. As he continues to explore new methodologies and applications, Dr. Xu is poised to leave a lasting legacy in the field, influencing both academic research and practical engineering solutions. His dedication to innovative research and his active role in professional societies ensure that his contributions will have a lasting impact on the engineering community.

Publications 📚

• 📄 Modeling and Experimental Study of Vibration Energy Harvester with Triple-Frequency-Up Voltage Output by Vibration Mode Switching
  Authors: Jiawen Xu, Zhikang Liu, Wenxing Dai, Ru Zhang, Jianjun Ge
  Journal: Micromachines
  Year: 2024

• 📄 Graded metamaterial with broadband active controllability for low-frequency vibration suppression
  Authors: Jian, Y., Hu, G., Tang, L., Huang, D., Aw, K.
  Journal: Journal of Applied Physics
  Year: 2024

• 📄 Robustness analysis and prediction of topological edge states in topological elastic waveguides
  Authors: Tong, S., Sun, W., Xu, J., Li, H.
  Journal: Physica Scripta
  Year: 2024

• 📄 Deep residual shrinkage network with multichannel VMD inputs for noise reduction of micro-thrust measurement
  Authors: Liu, Z., Chen, X., Xu, J., Zhao, L.
  Journal: AIP Advances
  Year: 2024

• 📄 LiteFormer: A Lightweight and Efficient Transformer for Rotating Machine Fault Diagnosis
  Authors: Sun, W., Yan, R., Jin, R., Yang, Y., Chen, Z.
  Journal: IEEE Transactions on Reliability
  Year: 2024