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| 开缝衬套成形过程声发射在线监测系统设计 |
| Design of On-line Acoustic Emission Monitoring System for Two-axle Roll-bending of Split Sleeve |
| Received:May 13, 2013 Revised:August 01, 2013 |
| DOI：10.3969/j.issn.1674-6457.2013.05.015 |
| 中文关键词: 开缝衬套 双轴柔性滚弯 声发射 在线监测 |
| 英文关键词: split sleeve two-axle roll-bending acoustic emission on-line monitoring |
| 基金项目:空装十一五项目; 南京航空航天大学 2013 年度研究生创新基地( 实验室) 开放基金资助项目( kfjj 130118 ) ; 中央高校基本科研业务费专项资金资助 |
| Author Name | Affiliation | | QIU Jia-bin | College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China | | LI Xiang-feng | College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China | | ZUO Dun-wen | College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China | | KANG Xiao-jun | College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China | | GONG Jing-ping | College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China |
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| 中文摘要: |
| 为提高开缝衬套的双轴柔性滚弯成形质量,设计了一套基于声发射信号和虚拟仪器的在线监测系统,该系统主要由数据采集软件、数据采集卡、声发射传感器以及信号调理电路构成,实现对双轴柔性滚弯成形过程的声发射信号进行采集、显示、分析和存储,为开缝衬套双轴柔性滚弯成形过程控制和质量预测提供数据支持。 通过实验对比分析了开缝衬套的双轴柔性滚弯过程声发射信号的时域和频域特性。 实验结果表明,该在线监测系统响应速度快,性能稳定,能够可靠地实现对开缝衬套双轴柔性滚弯成形过程声发射信号的在线监测。 |
| 英文摘要: |
| To improve the forming quality of split sleeve during two-axle roll-bending, an on-line monitoring system based on virtual instrument and acoustic emission was designed. The system was mainly composed of data acquisition software, data acquisition card, acoustic emission sensor and signal conditioning circuit, and it had functions of signal acquisition, signal indication, signal analysis and signal storage in the two-axle roll-bending process, which can provide the data support for the process control and quality prediction of two-axle roll-bending. The time domain and frequency domain features of the acoustic emission signal were compared and analysed during the experiment of two-axle roll-bending. The experiment results show that the on-line monitoring system have characteristics of both fast response and high stability, which can reliably realize the real-time monitoring of acoustic emission signal during the process of two-axle roll-bending of split sleeve. |
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