汽轮机数字电液系统的分析及控制器设计  

Analysis and Controller Design of Digital Electro-hydraulic Control System for Steam Turbine

作　　者：刘楠 LIU Nan(Dongfang Electric Automatic Control Engineering Co.,Ltd.,618000,Deyang,Sichuan,China)

机构地区：[1]东方电气自动控制工程有限公司,四川德阳618000

出　　处：《东方电气评论》2024年第6期71-79,共9页Dongfang Electric Review

摘　　要：本论文从工作原理、主要功能、物理特性几个方面,全面分析了汽轮机及其控制系统。针对目前广泛采用的数字电液调节系统,建立了汽轮机本体及数字电液控制系统中各主要环节的数学模型。并对此系统的对象简化模型进行了辨识。针对具体模型,通过建模仿真的方法,分别设计了模拟式和数字式的汽轮机转速调节PID控制器,及阀门伺服控制器。并采用基于继电反馈模型辨识的方法对PID参数进行整定,最终设计出了具有一定鲁棒控制指标的数字式转速调节PI控制器。Based on the turbine control system and its working principles,major functions,static and dynamic characteristics of the study in this paper,I have a comprehensive analysis of the turbine control system.I established a mathematical model for the main components of the turbine and digital electro-hydraulic control system for the widely used digital electro-hydraulic control system(DEH)in this paper.Then I identified the simplified object model of this system.For specific models,analog and digital PID controllers for turbine speed regulation,as well as valve servo controllers,were designed through modeling and simulation methods.And a method based on relay feedback model identification was used to tune the PID parameters,and a digital PI controller with certain robust control indicators was ultimately designed.

关 键 词：汽轮机 数字式电液控制系统 参数整定 模型辨识 

分 类 号：TM315[电气工程—电机]