文献类型：期刊文献

英文题名：High precision pressure control system of cubic press based on ARM

作者：He, Shaojia[1,2]; Mo, Jinhai[2]; Wei, Shouqi[2]; Huang, Dao[1]

机构：[1] State Research Center of Industrial Automation, East China University of Science and Technology, Shanghai 200237, China; [2] School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China

年份：2008

起止页码：7413

外文期刊名：Proceedings of the World Congress on Intelligent Control and Automation (WCICA)

收录：EI(收录号：20083911600497)

语种：英文

外文关键词：Pressure control - Cost effectiveness - Temperature control - Synthetic diamonds - Control systems - Presses (machine tools) - Temperature distribution

摘要：High control precision of pressure is one of the most important factor to guarantee the quality and quantity of synthetic diamond. But the pressure control system of cubic press in common use has the disadvantages of large zero drift, poor repeatability, and low control precision. To handle these problems, a novel pressure control system of cubic press has been developed. In this system, a cost-effective microprocessor ARM7TDMI (S3C44B0X) was employed, and an appropriate temperature compensation circuit was designed to reduce the negative influence of large environment temperature variation. The pressure boosting speed and pressure control precision were improved by three motors coordinated control. An efficient method was adopted to overcome the problems of large zero drift and poor repeatability by software. Furthermore, several measures were utilized to prevent the malfunction of system. Application results indicate that this control system has the advantages of low zero drift, high precision, good repeatability and reliability. ? 2008 IEEE.