• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2026, Vol. 62 ›› Issue (9): 228-237.doi: 10.3901/JME.260418

• 摩擦学 • 上一篇    

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基础激励下飞轮-干摩擦阻尼环的非线性动力学模型建模和分析

王森1,2,3, 贺晓东1, 黄修长1,4, 周华俊2,3, 张子维2,3, 王勇2,3, 魏新生2,3   

  1. 1. 上海交通大学振动、冲击、噪声研究所 上海 200240;
    2. 上海航天控制技术研究所 上海 201109;
    3. 中国航天科技集团有限公司红外探测技术研发中心 上海 201109;
    4. 上海交通大学机械系统与振动全国重点实验室 上海 200240
  • 收稿日期:2025-08-11 修回日期:2025-12-05 发布日期:2026-07-08
  • 作者简介:王森,男,1987年出生,博士研究生。主要研究方向为航天器惯性执行机构振动控制。E-mail:senwangsjtu@163.com;黄修长(通信作者),男,1983年出生,博士,研究员,博士研究生导师。主要研究方向为振动噪声分析与控制。E-mail:xchhuang@sjtu.edu.cn
  • 基金资助:
    国家自然科学基金(11672181)和中国航天科技集团第八研究院产学研合作基金(USCAST2021-13)资助项目。

Nonlinear Dynamic Modeling and Analysis of Flywheel-dry Friction Damping Ring under Base Excitation

WANG Sen1,2,3, HE Xiaodong1, HUANG Xiuchang1,4, ZHOU Huajun2,3, ZHANG Ziwei2,3, WANG Yong2,3, WEI Xinsheng2,3   

  1. 1. Institute of Vibration, Shock and Noise, Shanghai Jiao Tong University, Shanghai 200240;
    2. Shanghai Aerospace Control Technology Institute, Shanghai 201109;
    3. Research Center of Infrared Detection Technology, China Aerospace Science and Technology Corporation, Shanghai 201109;
    4. State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240
  • Received:2025-08-11 Revised:2025-12-05 Published:2026-07-08

摘要: 针对飞轮采用干摩擦阻尼环后的响应预测及摩擦界面的动力学行为分析开展研究。建立了基础随机激励下含多处摩擦界面的飞轮-阻尼环的高维非线性系统动力学模型,利用线性系统的模态减缩该高维非线性系统的自由度,采用杜哈美积分求解自由度减缩后系统的振动方程组,获得了摩擦界面的精细局部动力学行为。对基础随机激励下飞轮的动力学响应进行预测,和测试结果对比,结果表明:无/有阻尼环时,轮缘和轴承的加速度响应时间历程以及加速度响应功率谱密度在响应峰值处都与测试结果一致,非线性系统动力学模型能够准确预测实际飞轮的动力学响应。将摩擦界面发生滑移的总时间与随机激励力作用的总时间的比值定义为摩擦界面的总体滑移率,计算得到了摩擦界面的总体滑移率范围为40%~100%;摩擦界面的总体滑移率和正压力具有对应关系:正压力越大、总体滑移率越小,正压力越小、总体滑移率越大。所建立的非线性系统动力学模型能够快速准确预报飞轮-阻尼环系统响应,可用于指导飞轮阻尼环的设计。

关键词: 飞轮, 干摩擦阻尼环, 非线性, 摩擦, 动力学

Abstract: The theoretical researches are carried out to predict the responses of the flywheel equipped with the dry friction damping ring and analyze the dynamic behaviors of the friction interfaces. A high-dimensional nonlinear dynamic model of the flywheel-damping ring system with multiple friction interfaces under the base random excitation is established. The number of DOF of the high-dimensional nonlinear system is reduced by using the modes of the linear system, and the vibration equations of the reduced-DOF system are solved by using the Duhamel integral, the detailed local dynamic behaviors of the friction interfaces are obtained. The dynamic responses of the flywheel under the base random excitation are predicted and compared with the experimental results, which show that the acceleration responses and acceleration response power spectral density (PSD) of the rim and bearing are basically consistent with the experimental results at the peaks, indicating that the established high-dimensional nonlinear dynamic model can accurately predict the vibration response of the flywheel. The ratio of the total time when the friction interface is in slip state to the total time of duration of the random excitation is defined as the overall slip ratio of the friction interface, which is shown to be in the range of 40%-100%. It is found that there is a corresponding relationship between the overall slip ratio and the normal load, i.e., the larger the normal load, the smaller the overall slip ratio; the smaller the normal load, the larger the overall slip ratio. The established nonlinear dynamic model can quickly and accurately predict the response of the flywheel-damping ring system, which can be used to guide the design of the flywheel damping ring.

Key words: flywheel, dry friction damping ring, nonlinear, friction, dynamics

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