转子动力学研究进展

本文简要回顾了转子动力学的发展历程,指出了转子动力学的研究对象,如以汽轮发电机、燃气轮机、离心/轴流压缩机和航空发动机等大型装备为代表的复杂转子系统；主要研究内容涉及转子系统动力学建模、临界转速和振动响应计算、柔性转子动平衡技术、支承转子的各类轴承动力学特性、转子系统动力稳定性、转子系统非线性动力学、转子系统振动故障及其诊断技术、转子系统振动控制和多场耦合激励下转子系统振动,如机电耦合振动等.未来的研究主要聚焦在转静子系统耦合振动,基于大数据的转子系统智能诊断和考虑新材料、新结构的转子系统振动控制技术等方面.

The research progress of rotor dynamics

This paper briefly reviews the development history of rotor dynamics, and points out the research objects of rotor dynamics, such as complex rotor systems in turbogenerator, gas turbines, centrifugal/axial compressors and aero engines, etc. The main research contents involve the dynamics modeling for rotor systems, critical speed and vibration response prediction, the dynamic balancing technology for flexible rotors, dynamic characteristics of bearing, rotor dynamic stability, nonlinear rotor dynamics, rotor fault diagnosis based vibration, vibration control and rotor vibration under multi field coupling excitations, such as electromechanical coupling vibration. Future research mainly focuses on the coupling vibration of rotor stator subsystem, intelligent diagnosis based on big data and vibration control technology considering new materials and structures, etc.