主动控制动静压混合滑动轴承设计及试验

doi:10.3901/JME.260424

机械工程学报 ›› 2026, Vol. 62 ›› Issue (9): 323-331.doi: 10.3901/JME.260424

• 数字化设计与制造 • 上一篇

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主动控制动静压混合滑动轴承设计及试验

张广辉¹, 龚文杰¹, 徐科繁¹, 王晓伟², 黄延忠¹, 韩佳真¹

1. 哈尔滨工业大学能源科学与工程学院哈尔滨 150001;
2. 南京航空航天大学能源与动力学院南京 210016

收稿日期:2025-05-07 修回日期:2025-12-18 发布日期:2026-07-08
作者简介:张广辉，男，1972年出生，博士，教授，博士研究生导师。主要研究方向为航空、航天以及舰船动力装置的转子动力学、故障诊断以及减振降噪。E-mail：zhanggh@hit.edu.cn;龚文杰(通信作者)，男，1998年出生，博士研究生。主要研究方向为振动控制、动静压混合轴承及主动控制。E-mail：21b902051@stu.hit.edu.cn
基金资助:
航空科学基金(20230028077002)和国家自然科学基金(12472051)资助项目。

Design and Test of Actively Controlled Hybrid Film Bearings

ZHANG Guanghui¹, GONG Wenjie¹, XU Kefan¹, WANG Xiaowei², HUANG Yanzhong¹, HAN Jiazhen¹

1. School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001;
2. College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016

Received:2025-05-07 Revised:2025-12-18 Published:2026-07-08

摘要/Abstract

摘要： 为了控制转子轴承系统的动力学特性并提高稳定性，基于PD控制器设计了一种主动控制动静压轴承，通过将动静压混合轴承与电液伺服阀结合使得滑动轴承具有主动补偿能力以应对轴承转子系统动力学响应的变化；设计并搭建了主动控制动静压轴承-转子试验台并对轴承的振动控制效果进行了试验验证，通过调整不同控制参数进行转子动力学特性试验以研究其减振性能。结果表明，当选取合适的微分系数时，开启主动控制有着较好的振动控制效果，轴承处水平最大减振幅值可从41.4 μm降低至19.6 μm，降低幅度可达52.7%；仅开启比例环节，通过控制轴承刚度进行转子系统临界转速控制试验，并将临界转速由2 508 r/min降低至1 980 r/min，改变幅度达21.1%，实现了转子系统临界转速控制。

关键词: 主动控制, 动静压混合轴承, 不平衡响应试验, 临界转速

Abstract: To control the dynamic characteristics of a rotor-bearing system and improve its stability, an actively controlled hybrid film bearings is designed based on a PD controller. By combining the hybrid bearing with electro-hydraulic servo valves, the bearing gains a specific active compensation ability to cope with changes in the dynamic response of the rotor-bearing system. The experimental setup for an actively controlled hybrid film bearing-rotor system is designed and constructed to validate the vibration control performance of the bearing. Various control parameters are adjusted to investigate the rotor's dynamic characteristics and vibration reduction capabilities. The results demonstrate that with an appropriately chosen differential coefficient, activating active control achieves significant vibration reduction, with the maximum horizontal vibration amplitude of the bearing decreasing from 41.4 μm to 19.6 μm, a reduction of 52.7%. The critical speed of the rotor system can be controlled by adjusting the bearing stiffness with only proportional component activated, reducing the critical speed from 2 508 r/min to 1 980 r/min, a decrease of 21.1%, thereby achieving control over the critical speed of the rotor system.

Key words: active control, hybrid film bearing, unbalanced response test, critical speed

中图分类号:

TH133

张广辉, 龚文杰, 徐科繁, 王晓伟, 黄延忠, 韩佳真. 主动控制动静压混合滑动轴承设计及试验[J]. 机械工程学报, 2026, 62(9): 323-331.

ZHANG Guanghui, GONG Wenjie, XU Kefan, WANG Xiaowei, HUANG Yanzhong, HAN Jiazhen. Design and Test of Actively Controlled Hybrid Film Bearings[J]. Journal of Mechanical Engineering, 2026, 62(9): 323-331.

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http://www.cjmenet.com.cn/CN/Y2026/V62/I9/323

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主动控制动静压混合滑动轴承设计及试验

Design and Test of Actively Controlled Hybrid Film Bearings

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