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Analysis and Design of Nonlinear Systems in the Frequency Domain: A Parametric Characteristic Approach

作者:  来源:自动化学院  发布时间:2018年12月18日  点击数:821

报告时间2018.12.26,下午4:00-5:00

报告地点61号楼5162

报告人Xingjian Jing

报告内容The analysis and design of nonlinear systems in the frequency domain are challenging topics in the literature. Usually, the harmonic balance method or absolute stability theory etc can be employed. However, limitations might often be encountered due to computational complexity or implicit relationship between system output response and model parameters. Based on the Volterra series theory, a systematic frequency domain analysis and design method referred to as output frequency response function (OFRF) or nonlinear characteristic output spectrum (nCOS) function is developed with a unique parametric characteristic approach in recent years, which demonstrates advantages over its counterparts, bringing obviously unique features, benefits or insights into the understanding of nonlinear influence in the frequency domain. Applications in vibration control, signal processing, fault detection and others are extensively studied in the literature as well. This talk presents a brief introduction to this topic.

报告人简介:Xingjian Jing,博士,香港理工大学机械工程系副教授。分别获浙江大学学士(1998)、中科院自动化所硕士(2001)和博士学位(2005),英国Sheffield大学博士(2008)。主要研究领域:非线性系统分析、設計、信號處理、辨識及其在振動控制、能量採集、故障診斷、機器人等方面的應用。任国际知名杂志IEEE/ASME Trans MechatronicsMechanical Systems and Signal Processing的副主编。并于2018年在MSSP上任专刊主编—“Exploring nonlinear benefits in engineering”曾获得中科院刘永龄奖,中科院院长优秀奖,EPSRC-Hutchison Whampoa Dorothy Hodgkin AwardHighest International Consultancy Award2016 IEEE SMC best transaction paper award2017美國TechConnect全球技術創新獎,2017歐洲結構動力學協會Senior Research Prize,和2017香港建築業議會建築技術創新一等獎等。研究工作得到香港RGC,国家自然基金,中海油技术服务有限公司,中国航天技术研究院,中國航天控股公司,Lord公司及其它香港廣州和國際公司的资助。

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