计算机工程 ›› 2010, Vol. 36 ›› Issue (2): 241-243.doi: 10.3969/j.issn.1000-3428.2010.02.085

• 工程应用技术与实现 • 上一篇    下一篇

基于数据流截获技术的仪器状态监测方案

毛宏宇1,2,王丰贵1,王文良2,王书士2   

  1. (1. 吉林大学仪器科学与电气工程学院,长春 130026;2. 航空仪器设备计量总站,北京 100070)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-01-20 发布日期:2010-01-20

Instruments Status Monitoring Scheme Based on Data Stream Interception

MAO Hong-yu1,2, WANG Feng-gui1, WANG Wen-liang2, WANG Shu-shi2   

  1. (1. College of Instrument Science & Electrical Engineering, Jilin University, Changchun 130026;2. Measuring Central Station of Aeronautical Instrument and Equipment, Beijing 100070)
  • Received:1900-01-01 Revised:1900-01-01 Online:2010-01-20 Published:2010-01-20

摘要: 针对由计算机控制的仪器工作状态监测问题,提出一种基于计算机串口的数据流监测方案,采用纯软件的方式,规避硬件监测的风险,通过截获串口与仪器设备之间的数据流进行模式匹配,实现仪器状态监测。为提高数据流变化的检测效率,采用加权的核拟合密度估计算法代替传统的M-核估计方法,降低系统资源的占用率。

关键词: 数据流, 过滤器驱动, 状态监测, 核拟合

Abstract: As for status monitoring for computer-controlled instruments, a monitoring scheme for data stream based on computer serial interface is proposed, which avoids the risk form hardware monitoring by pure software technology and judges instrument status by interception and pattern matching data stream between instruments and serial interface. In order to improve the detection efficiency of data stream and reduce the occupancy rate of resources, weighted core-fitting density approximation approach is chosen instead of traditional M-core.

Key words: data stream, filter driver, status monitoring, core fitting

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