技术中心

【英文篇名】 The Design of Frequency Conversioned and Isobarically Fuzzy Control Heating Water Supplying System Based on PLC 【作者中文名】 李建奇; 黄建春; 王文虎; 【作者英文名】 Li JianQi Huang Jianchun Wang Wenhu（Hunan University of Arts and Science; Changde 415000; China）; 【作者单位】 湖南文理学院电气系; 湖南文理学院电气系 常德; 【文献出处】 制冷与空调(四川), Refrigeration nbsp; 期刊荣誉：ASPT来源刊 CJFD收录刊 【关键词】 PLC控制; 供热; 模糊控制; 变频; 【英文关键词】 PLC Control; supplying heating; fuzzy control; frequency conversion; 【摘要】 介绍一种基于S7200的PLC和变频器及TD200组成的恒压供热系统,应用了模糊控制技术,较好的克服了传统PID控制中稳定性差、参数调整困难的问题。它包括加热控制和恒压供水两大子系统。详细分析了系统设计方案,阐述了系统组成和工作原理,给出了详细的流程图,并给出了在PLC上实现模糊控制的方法及相应的参数设置及调整。结果表明取得了较好的效益,提高了供水质量,有一定的节能效果。 【英文摘要】 In this paper a fequency conversioned and isobarically heating water supplying control system based on S7200 PLC 、Micromaster Eco inverter contro1 and TD200 is designed,which apply the Fuzzy control technology and,it can settle the traditional PID control problems such as bad stability,difficulty to modulate parameter.It has two major subsystems of heating water system and constant pressure water supply system.It analyses the p1an of design in detail,discusses system making up and operation principle,provid...