液压系统伺服比例阀数字控制技术研究  

Research of Proportional Valves Digitally Control Technology for Hydraulic System

作　　者：须民健[1] 李文锋[1] 廖强[1] 习燕[1] 

机构地区：[1]招商局重庆交通科研设计院有限公司,重庆400067

出　　处：《液压气动与密封》2015年第3期32-34,共3页Hydraulics Pneumatics & Seals

摘　　要：介绍了液压系统中伺服比例阀的功能及特性,对几种常用的比例阀数字控制芯片进行了分析和对比,采用了基于ARM内核LPC1112处理器和TLE7242控制芯片的硬件设计方案,进行了电路设计及驱动软件设计,完成对比例电磁铁的数字控制和精密控制,进一步提高了液压系统的智能化程度。Introduce the functions and features of servo proportional valve for hydraulic system, analyzed and compared for several common digital control chip of proportional valve, using the LPC1112 ARM core-based processor and TLE7242 ,make the design of hardware circuit and conduct driver software, to complete digital control and precise control of the proportional solenoid, and further improve the intelligence of the hydraulic system.

关 键 词：液压系统 比例阀 数字控制 TLE7242 比例电磁铁 

分 类 号：TH137[机械工程—机械制造及自动化]