基于超声电机精稳调控的转子不平衡自愈执行装置设计与试验研究

doi:10.3901/JME.2024.04.449

机械工程学报 ›› 2024, Vol. 60 ›› Issue (4): 449-457.doi: 10.3901/JME.2024.04.449

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基于超声电机精稳调控的转子不平衡自愈执行装置设计与试验研究

潘鑫^1,2, 张馨^1,2, 卢加乔¹, 吴海琦²

1. 北京化工大学发动机健康监控及网络化教育部重点实验室北京 100029;
2. 北京化工大学高端机械装备健康监控与自愈化北京市重点实验室北京 100029

收稿日期:2023-03-06 修回日期:2023-09-13 出版日期:2024-02-20 发布日期:2024-05-25
通讯作者: 张馨,女,1998年出生。主要研究方向为旋转机械振动机理分析与振动主动控制。E-mail:buctzx2020@126.com
作者简介:潘鑫,男,1987年出生,博士,副教授,硕士研究生导师。主要研究方向为旋转机械故障诊断与振动主动控制。E-mail:panxin@mail.buct.edu.cn
基金资助:
国家自然科学基金(51875031); 北京市自然科学基金(3212010)资助项目

Design and Experimental Study of a Rotor Unbalanced Self-recovery Actuator Based on Accurate and Stable Regulation of Ultrasonic Motors

PAN Xin^1,2, ZHANG Xin^1,2, LU Jiaqiao¹, WU Haiqi²

1. Key Laboratory of Engine Health Monitoring-control and Networking of Ministry of Education, Beijing University of Chemical Technology, Beijing 100029;
2. Beijing Key Laboratory of Health Monitoring and Self-recovery for High-end Mechanical Equipment, Beijing University of Chemical Technology, Beijing 100029

Received:2023-03-06 Revised:2023-09-13 Online:2024-02-20 Published:2024-05-25

摘要/Abstract

摘要： 转子不平衡自愈执行装置因能够实时调整装置内部的质量分布,通过移动配重产生的合成矢量来补偿转子系统内部的不平衡矢量,是一种可实时抑制旋转机械转子系统不平衡振动的有效方案。针对同轴悬臂式双转子系统因质量不平衡所产生的振动故障,介绍一种基于超声电机精稳调控的转子不平衡自愈执行装置,详细阐述该装置的结构组成和基本工作原理;基于同轴悬臂式双转子系统的结构特点,建立双转子-执行装置系统有限元模型进行动力学特性定量分析,针对该系统结构设计的执行装置对原转子系统临界转速的影响在3%以内。最终在转子模拟试验台上完成相关试验,结果表明,转子不平衡自愈执行装置可在3.2 s降低转子不平衡振动53%,验证了该装置的原理可行性和有效性。

关键词: 双转子系统, 不平衡自愈, 动力学特性分析, 超声电机

Abstract: The rotor unbalanced self-recovery actuator is an effective solution to suppress the unbalance vibration of the rotor system of rotating machinery in real-time because it can adjust the mass distribution inside the device in real-time and compensate the unbalance vector inside the rotor system by moving the synthetic vector generated by the counterweight. A self-recovery rotor imbalance actuator based on ultrasonic motor accurate and stable regulation is introduced for the vibration faults caused by mass imbalance in the coaxial cantilever dual rotor system, and the structural composition and basic working principle of the device are described in detail. Based on the structural characteristics of the coaxial cantilevered dual-rotor system, a finite element model of the dual-rotor-actuator system is established, and quantitative analysis of the dynamics characteristics is carried out, which the impact of the actuator designed for the system structure on the critical speed of the original rotor system is within 3%. The results show that the self-recovery rotor unbalance actuator can reduce the rotor unbalance vibration by 53% in 3.2 s, which verifies the feasibility and effectiveness of the principle of the actuator.

Key words: dual-rotor system, unbalanced self-recovery, dynamic characteristic analysis, ultrasonic motor

中图分类号:

TB123
TB535

潘鑫, 张馨, 卢加乔, 吴海琦. 基于超声电机精稳调控的转子不平衡自愈执行装置设计与试验研究[J]. 机械工程学报, 2024, 60(4): 449-457.

PAN Xin, ZHANG Xin, LU Jiaqiao, WU Haiqi. Design and Experimental Study of a Rotor Unbalanced Self-recovery Actuator Based on Accurate and Stable Regulation of Ultrasonic Motors[J]. Journal of Mechanical Engineering, 2024, 60(4): 449-457.

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基于超声电机精稳调控的转子不平衡自愈执行装置设计与试验研究

Design and Experimental Study of a Rotor Unbalanced Self-recovery Actuator Based on Accurate and Stable Regulation of Ultrasonic Motors

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