多级离心压缩机基于数模融合数字孪生的健康智能监测研究

doi:10.16182/j.issn1004731x.joss.25-1072

摘要/Abstract

摘要：

为解决多级离心压缩机在复杂工况下长期安全、稳定运行中存在的监测实时性不足、虚拟模型脱节等问题，提出一种面向健康智能监测的多级离心压缩机数模融合数字孪生构建方法。通过构建机组-系统-部件多层级虚拟孪生体，实现离心压缩机几何结构、运行行为与监测数据的协同映射；结合端-边-云协同架构，将数据驱动模型与虚拟孪生体动态耦合，构建数字孪生健康智能监测平台，实现运行状态可视化、故障预警与寿命预测等功能。基于实际离心压缩机试验台展开功能验证和性能初步评估，结果表明所提方法在保证实时性的同时具备较高的监测准确性和工程适用性，可为多级离心压缩机智慧运维提供技术支撑。

关键词: 离心压缩机, 3D 虚拟可视化, 数字孪生, 健康监测, 智慧运维

Abstract:

To address the challenges of insufficient real-time monitoring capability and weak coupling between physical entities and virtual models in the long-term safe and reliable operation of multi-stage centrifugal compressors under complex operating conditions, this paper proposes a digital twin construction method based on data-model fusion for intelligent health monitoring. A unit-system-component hierarchical virtual twin model is established to achieve the coordinated mapping of geometric structure, operational behavior, and monitoring data of the compressor. By integrating a terminal-edge-cloud collaborative architecture, data-driven models are dynamically coupled with the virtual twin to construct a digital twin-based health monitoring platform, enabling operating state visualization, fault early warning, and remaining useful life prediction. A demonstration and validation are conducted on a centrifugal compressor test rig. The results show that the proposed method can achieve reliable monitoring performance while ensuring real-time responsiveness, demonstrating good engineering applicability and providing technical support for intelligent operation and maintenance of multi-stage centrifugal compressors.

Key words: centrifugal compressor, 3D virtual visualization, digital twin, health monitoring, intelligent operation and maintenance

中图分类号:

TP45

姜孝谟,孟继纲,惠怀宇等 . 多级离心压缩机基于数模融合数字孪生的健康智能监测研究[J]. 系统仿真学报, 2026, 38(9): 2696-2710.

Jiang Xiaomo,Meng Jigang,Hui Huaiyu,et al . Research of Data-model Integrated Digital Twin-based Health Intelligent Monitoring for Multi-stage Centrifugal Compressors[J]. Journal of System Simulation, 2026, 38(9): 2696-2710.

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部件	组成	作用
转子	轴	连接电机或驱动端与叶轮，将驱动机的机械能传递给叶轮，使其高速旋转
	叶轮	由叶片和轮盘组成，通过高速旋转将气体加速，增加其动能和部分压力能
	平衡盘	抵消由叶轮压力差引起的轴向推力
定子	机壳	包围整个压缩机，起到保护和密封的作用
	密封系统	减少或防止气体泄漏
	气缸	承受气体压力，转子固定支撑
	扩压器	将叶轮出口处的高速气流逐渐减速并扩散，使气体的动能转化为静压能
	进气管	气体通过此部件进入转子
	排气管	压缩后的气体通过此部件被排出
轴承	滑动轴承	承受转子质量和附加向力，保持转子转动中心和气缸中心一致

部件类别	是否参与动力学/气动传递	是否影响监测变量	处理方式
外壳螺栓、装饰纹理	×	×	直接删减
外部壳体重复层	×	×	网格融合简化
扩压器、叶轮、主轴、轴承	√	√	保留完整几何与运动规则
隔板内部管路纹理	×	△(仅几何展示)	拓扑保留，细节降阶