自动化仪表
自動化儀錶
자동화의표
PROCESS AUTOMATION INSTRUMENTATION
2015年
6期
87-90
,共4页
智能阀门定位器%总线供电%低功耗%PID控制%积分分离%HART协议
智能閥門定位器%總線供電%低功耗%PID控製%積分分離%HART協議
지능벌문정위기%총선공전%저공모%PID공제%적분분리%HART협의
Intelligent valve positioner%Bus power supply%Low power consumption%PID control%Integral separation%HART protocol
阀门定位器是与气动控制阀配套使用的现场仪表。为了提高定位器的控制性能，以AVR单片机为核心，设计了基于HART通信协议的智能阀门定位器。给出了详细的原理框图和软硬件设计方案，研究了两线制总线供电、低功耗设计、阀位控制算法、HART通信接口等技术问题。该设计实现了阀门定位器的智能化、数字化和网络化，具有广阔的应用前景，对相关产品的研制有重要的指导意义。
閥門定位器是與氣動控製閥配套使用的現場儀錶。為瞭提高定位器的控製性能，以AVR單片機為覈心，設計瞭基于HART通信協議的智能閥門定位器。給齣瞭詳細的原理框圖和軟硬件設計方案，研究瞭兩線製總線供電、低功耗設計、閥位控製算法、HART通信接口等技術問題。該設計實現瞭閥門定位器的智能化、數字化和網絡化，具有廣闊的應用前景，對相關產品的研製有重要的指導意義。
벌문정위기시여기동공제벌배투사용적현장의표。위료제고정위기적공제성능，이AVR단편궤위핵심，설계료기우HART통신협의적지능벌문정위기。급출료상세적원리광도화연경건설계방안，연구료량선제총선공전、저공모설계、벌위공제산법、HART통신접구등기술문제。해설계실현료벌문정위기적지능화、수자화화망락화，구유엄활적응용전경，대상관산품적연제유중요적지도의의。
Valve positioner is one of the field instruments supporting the use of pneumatic control valves. In order to enhance the control performance of the positioner, the intelligent valve positioner based on HART communication protocol has been designed with AVR single chip computer as the core. Detail schematic block diagram and design scheme of hardware and software are given. Several technical issues including two-wire bus power supply, low power consumption design, valve position control algorithm and HART communication interface, etc. , are researched. The design realizes intellectualization, digitization and networking of the valve positioners;it possesses broad application prospects and important guiding significance for the development of related products.
