Dynamics and adaptive backstepping control of rotor-hybrid foil-magnetic bearings system

IF 2.3 3区 工程技术 Q2 ACOUSTICS
Hanqing Guan, Jiajun Li, Kexiang Wei, Shenggui Chu, Yueqi Guan, Changyun Wen
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引用次数: 0

Abstract

The hybrid foil-magnetic bearing (HFMB) is a contactless-type bearing composed of a foil bearing (FB) in the inner side and an active magnetic bearing (AMB) in the outer side. It has the advantages of low drag torque, high DN value (bearing inner diameter times rotating speed), and high supporting efficiency. However, significant subsynchronous vibration will degrade the stability of the rotor-HFMBs system, which is an obstacle to the industrial implementation of HFMBs. To control the rotor vibration, this paper presents a dynamic model of the rotor-HFMBs system with unknown parameters and the design of an adaptive backstepping controller (ABC) for it. The stability of the closed-loop system is established. Simulation results of the rotor-HFMBs system controlled by ABC are compared with the proportional-integral-derivative controller (PID), illustrating that the ABC is capable of eliminating rotor vibration, and it is more effective than the PID.
转子-混合箔磁轴承系统的动力学和自适应反步进控制
箔-磁混合轴承(HFMB)是一种由内侧箔轴承(FB)和外侧主动磁轴承(AMB)组成的非接触式轴承。它具有阻力矩小、DN 值(轴承内径乘以转速)高和支撑效率高等优点。然而,明显的次同步振动会降低转子-高频磁悬浮轴承系统的稳定性,这也是工业化应用高频磁悬浮轴承的一个障碍。为了控制转子振动,本文提出了具有未知参数的转子-高频电机系统动态模型,并设计了自适应反步进控制器(ABC)。建立了闭环系统的稳定性。将 ABC 控制的转子-HFMBs 系统的仿真结果与比例-积分-派生控制器(PID)进行了比较,结果表明 ABC 能够消除转子振动,而且比 PID 更有效。
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来源期刊
Journal of Vibration and Control
Journal of Vibration and Control 工程技术-工程:机械
CiteScore
5.20
自引率
17.90%
发文量
336
审稿时长
6 months
期刊介绍: The Journal of Vibration and Control is a peer-reviewed journal of analytical, computational and experimental studies of vibration phenomena and their control. The scope encompasses all linear and nonlinear vibration phenomena and covers topics such as: vibration and control of structures and machinery, signal analysis, aeroelasticity, neural networks, structural control and acoustics, noise and noise control, waves in solids and fluids and shock waves.
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