基于磁控形状记忆合金的高耸化工塔振动主动控制的研究  

Research on active vibration control of high-rise chemical tower based on magnetically controlled shape memory alloy

作　　者：孙双双[1] 曲文月 Sun Shuangshuang;Qu Wenyue(College of Electromechanical Engineering,Qingdao University of Science&Technology,Shandong Qingdao,266061,China)

机构地区：[1]青岛科技大学机电工程学院,山东青岛266061

出　　处：《机械设计与制造工程》2018年第7期39-45,共7页Machine Design and Manufacturing Engineering

基　　金：山东省自然科学基金资助项目(ZR2014AL011);山东省高等学校科技计划资助项目(J13LB08);青岛市科技发展计划资助项目(13-1-4-150-jch)

摘　　要：对Ni_2MnGa的磁控形状记忆效应进行理论分析,设计了基于Ni_2MnGa的主动控制系统模型,并将其应用于高耸化工塔振动控制。首先以Mori-Tanaka场平均的方法、Eshelby等效夹杂原理和热力学原理为基础,对Ni_2MnGa的马氏体变体再取向的过程进行了力学分析,然后建立了主动控制系统的数学模型,用Simulink对主动控制系统作用下高耸化工塔的振动进行了计算分析。结果表明:Ni_2MnGa主动控制系统具有较好的作动性能,能有效地抑制高耸化工塔的振动。Based on analysis of Ni 2MnGa magnetically controlled shape memory alloy,it designs an active control system model based on Ni 2MnGa,and applies the system to vibration control of towering chemical tower.Based on the Mori-Tanaka field average method and Eshelby equivalent inclusion principle and thermodynamics principle,it analyzes the mechanical process of the re-orientation of the martensitic transformation of Ni 2MnGa,establishes the mathematical model of the active control system,realizes the vibration control of the towering chemical tower under the action of active control system.The results show that the active control system of Ni 2MnGa has a good performance and can effectively suppress the vibration of towering chemical tower.

关 键 词：NI2MNGA 主动控制系统 化工塔振动控制 

分 类 号：TB381[一般工业技术—材料科学与工程]