智能阀门定位器关键技术的研究与实现  

Research and realization of key technology for intelligent valve positioner

作　　者：吴宁胜[1] 

机构地区：[1]浙江商业职业技术学院,浙江杭州310053

出　　处：《现代电子技术》2015年第8期139-141,144,共4页Modern Electronics Technique

基　　金：浙江省教育厅科研项目资助(Y201018912)

摘　　要：阀门定位器是工业管道控制系统的关键仪表之一。为了提高定位器的控制性能,以AVR单片机为核心设计基于HART通信协议的智能阀门定位器。介绍智能阀门定位器的组成和工作原理,分析系统设计中的几个关键问题。对于低功耗设计、阀位控制算法、抗干扰及可靠性设计等关键技术提出了可行的实现方案,在实际应用中取得了很好的效果。所论述的关键技术及实现方法对相关产品的研制有重要的指导意义。Valve positioner is one of the key instruments in industrial pipeline control system. In order to enhance its control performance,a valve positioner based on HART protocol with AVR microcontroller as the core was designed. Structure and working principle of the intelligent valve positioner are introduced. Several key points such as lowpower consumption design, valve position control algorithms,design of antiinterference and reliability design are analyzed. Some effective methods are presented to solve them. Good results has been gained in practical application of the system. The research is of significance to develop the related products.

关 键 词：智能阀门定位器 低功耗 阀位控制算法 抗干扰 

分 类 号：TN919-34[电子电信—通信与信息系统] TH863[电子电信—信息与通信工程]