数控机床能效在线监测方法及监测系统.pdf

54  2013年第3卷 第4期 数控机床能效在线监测方法及监测系统# 黄文帝，刘飞，陈真** （重庆大学机械传动国家重点实验室，重庆 400030） 摘要：针对数控机床能耗状态难以在线监测的问题，提出一种基于机床功率平衡方程和能量 损耗特性的数控机床运行能效实时在线监测方法，该方法通过实时测量机床总电源输入功率 和主轴输入功率分离出切削功率从而在线获取机床能量效率，同时基于功率信息在线识别机 床状态，统计机床设备利用率等信息；并给出了基于 ARM WinCE 平台的数控机床运行能 效实时在线监测分析系统软硬件解决方案，完成了系统的设计实现与调试。最后通过实验验 证了该系统较高的准确性和方便的实用性。机床运行能效实时在线监测对于机械加工过程和 车间能效评估、能耗预测、能量管理及节能技术研究均有重要支持作用，具有较广阔的应用 前景。 关键词：数控机床；能量效率；在线监测；WinCE On-line monitoring and analysis system for energy efficiency of CNC machine tools HUANG Wendi, LIU Fei, CHEN Zhen (The State Key Laboratory of Mechanical Transmission of Chongqing University, ChongQing 400030) Abstract: In order to solve the difficulties of energy consumption state on-line monitoring of CNC machine tools, this paper proposed a real-time on-line energy consumption monitoring method based on power balance equation and energy loss characteristics of machine tools. Through measuring input power of main power and main motor of machine tools. Cutting power can be separated from them. And then the energy efficiency of machine tools can be obtained. At the same time, the equipment utilization of machine tools is calculated based on recognizing the status of machine tools on-line using power information. A set of software and hardware solution of the real-time on-line energy consumption monitoring system based on ARM and WinCE platform is developed, and the system design and its debugging are completed. The accuracy and practicality