It is with great pleasure and honor that I welcome you all to attend the 9th International Conference on Mechanical and Electronics Engineering. ICMEE2023 is co-sponsored by Chang'an University and IEEE. Welcome to Chang’an University, welcome to Xi’an!

We would like to express our gratitude to all the participants, speakers, sponsors, and organizers who have made this event possible. Special thanks to give our 8 keynote and invited speakers, who have generously shared their expertise and insights with us. Their contributions have added tremendous value to this conference, and we are grateful for their dedication and commitment to advancing the field of mechanical and electronics engineering. They are
Prof. Yang Shi, University of Victoria, Canada
Prof. Libo Zhao, Xi’an Jiaotong University, China
Prof. Rongxin Cui, Northwestern Polytechnical University, China
Prof. Fei Hui, Chang’ an University, China
Prof. Mingbo Niu, Chang’an University, China
Prof. Hongfa (Henry) Hu, University of Windsor, Canada
Prof. Md Sipon Miah, Islamic University, Bangladesh
Assoc. Prof. Mohammad Uddin, University of South Australia, Australia

We would like to express our sincere appreciation to all the participants of this conference. Your active engagement, insightful contributions, and enthusiastic participation have been the driving force behind the success of this event. Your diverse perspectives and expertise have enriched the discussions and fostered a collaborative and dynamic atmosphere. We are truly grateful for your presence and for sharing your knowledge and experiences with the community. Thank you for being an integral part of this conference, and we hope that you find this experience both rewarding and enriching.