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基于串行通讯的TCVI工艺集散控制研究与应用

Distributed Control System for TCVI Process Based on Serial Communication

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【Author】 SUN Guo-ling~1, LI He-jun~1, QI Le-hua~2, ZHANG Sou-yang~1, WEI Bao-qun~2, WANG Zhao-wei~1(1.Research Center of Carbon-Carbon Composites, Laboratory of Super-high Temperature Composites, Northwestern Polytechnical University, Xi’an 710072, China; 2.College of Mechanical and Electrical Engineering, Northwestern Polytechnical University, Xi’an 710072, China)

【机构】西北工业大学碳碳复合材料工程技术研究中心；西北工业大学机电学院；西北工业大学碳碳复合材料工程技术研究中心陕西西安710072；陕西西安710072；陕西西安710072；

【摘要】 TCVI(热梯度CVI)工艺是制备C C复合材料的一种重要工艺。本文在分析TCVI工艺流程的基础上,利用集散控制的思想,设计一种基于串行通讯的TCVI工艺简单集散控制系统,利用VisualBasic的MSComm通讯控件实现上下位机的通信,采用VB和组态王开发TCVI工艺监控系统,实现了该工艺的自动控制,并利用此系统制备出密度大于1.75g cm3、均匀性较好的C C复合材料制件。更多还原

【Abstract】 Thermal-Gradient Chemical Vapor Infiltration is an important technical for C/C composites manufacture. In this paper, on the basis of analysis on control flow chart of TCVI process, we designed a simply distributed control system for TCVI process based on serial communication. In this system, the Distributed Control System (DCS) was programmed with VB and configuration software, and the serial communication was implemented with MScomm of VB between the host computer and the client computers. By this control system, more uniform C/C composites with the density of more than 1.75g/cm~3 were successfully manufactured.更多还原

【关键词】 C/C复合材料； TCVI；集散控制；串行通信； VB；
【Key words】 C/C composite materials； TCVI； DCS； serial communication； VB；

【基金】国家自然科学基金(50072019);国家杰出青年基金(50225210)资助项目

【文献出处】材料科学与工程学报 ,Journal of Materials Science and Engineering , 编辑部邮箱 ,2005年04期

【分类号】TB332
【被引频次】4
【下载频次】53

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