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航空学院青年学术论坛第一〇八讲(三场报告)
2018-06-08 17:09   审核人:

报告人:新加坡南洋理工大学杨耀文副教授、华中科技大学王琳教授、香港城市大学杨征保助理教授

邀请人:周生喜 教授

时 间:6月12日(周二)上午9:00-11:30

地 点:航空楼A706

报告一

题目:Small-scale Energy Harvesting

摘要:Small-scale energy harvesting for powering wireless sensor nodes and portable electronic devices has received intense research focus over the years. This talk presents comprehensive research work carried out in Nanyang Technological University, Singapore, on vibration and wind energy harvesting using piezoelectric materials. Various aspects of piezoelectric energy harvesting will be discussed, including its origination, linear and nonlinear harvester design topologies, analytical, finite element and equivalent circuit modelling approaches, experimental validations, harvesting circuits, various efficiency enhancement techniques, structural integrity and fatigue issues. The pros and cons of piezoelectric energy harvesting, practical applications and challenges will also be discussed.

报告人简介:Dr. Yaowen YANG is currently an Associate Professor and Associate Chair in the School of Civil and Environmental Engineering, and Deputy Director of the Protective Technology Research Centre, Nanyang Technological University (NTU), Singapore. He is one of the lead researchers in area of small energy harvesting and structural health monitoring. His research interests include smart materials and structures for energy harvesting, structural health monitoring and uncertainty analysis in structural dynamics. Over the years, Dr Yang has received more than $6M (Singapore dollars) research fund from funding agencies and industry, and published 1 book, 3 monographs and over 200 journal and conference papers, among which 92 are SCI journal publications. His publications have received more than 2000 citations with an H-index of 26 in Web of Science, over 2700 citations with an H-index of 28 in Scopus, and over 4000 citations with an H-index of 32 in Google Scholar. Dr Yang has graduated 12 PhD students and supervised 10 Postdocs. Dr Yang received his B.Eng and M.Eng from Shanghai Jiao Tong University and Ph.D from Nanyang Technological University. He serves as an editorial board member for multiple international journals and delivered keynote and invited lectures in many international conferences.

报告二

题目:海洋输流管道非线性振动分析

摘要:输流管道在海洋工程中有重要应用,它已成为动力学问题研究的一个新范例,即使最简单的输流直管结构也蕴含着丰富的动力学行为。本报告结合作者近年来的研究工作,介绍输流管道的非线性振动和稳定性机理,主要内容包括:(1)回顾输流管系统的稳定性机理;(2)探究海洋简支输流管的非线性涡激振动问题,揭示管道的非平面耦合振动机理;(3)针对具有松动约束的悬臂输流管道,分析了管道可能出现的复杂动力学现象;(4)最后,讨论了输流管道动力学问题的一些可能研究方向。

报告人简介:王琳,1980年出生,华中科技大学教授、博导,土木学院力学系主任。担任中国力学学会理事、动力学与控制专业委员会委员,《固体力学学报》编委、编辑部主任等兼职。主要从事流固耦合振动、控制、利用与仿生,微纳系统动力学等方面的研究。近年来,主持国家自然科学基金4项、教育部新世纪优秀人才支持计划和湖北省自然科学基金重点项目等科研课题。以第1及通讯作者发表SCI论文80多篇,论文H指数为26,SCI他引1000多次;在科学出版社合作出版《输液管动力学分析和控制》(非线性动力学丛书)专著一本。

报告三

题目:High-efficiency Vibration Energy Harvesting for Sensor Applications

摘要:Vibration energy harvesting holds a great potential to achieve long-lifespan self-powered operations of wireless sensor networks, wearable devices and medical implants, and thus has attracted substantial interest from both academia and industry. The piezoelectric effect or electromagnetic induction has been widely adopted to convert mechanical energy to electrical energy, duo to its high energy conversion efficiency, ease of implementation and miniaturization. From the viewpoint of applications, we are most concerned about whether an energy harvester can generate sufficient power under a variable excitation. This talk systematically discusses high-efficiency vibration energy harvesting for sensor applications.

报告人简介:Dr. Zhengbao YANG is an Assistant Professor in the Department of Mechanical and Biomedical Engineering at the City University of Hong Kong. Prior to joining the MBE department at CityU, Dr. Yang was a research fellow jointly appointed by the University of Toronto and Magna Inc. He received his BEng in Mechatronics from the Harbin Institute of Technology in 2012, and PhD in Mechanical Engineering from the University of Toronto in 2016. Dr. Yang’s research interests are vibrations and mechatronics with a special focus on the development of smart structures and dynamical systems for energy harvesters, actuators and sensor systems.

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