汽轮机数字式电液调速系统关键技术研究  

Research on Key Technology of Steam Turbine Digital Electro-hydraulic Speed Control System

作　　者：权少宁[1] QUAN Shaoning(Training Department, Xi'an Aeronautical Polytechnic Institute, Xi’an, Shanxi 710089, China)

机构地区：[1]西安航空职业技术学院培训学院,陕西西安710089

出　　处：《微型电脑应用》2020年第6期157-160,共4页Microcomputer Applications

摘　　要：本文研究汽轮机数字式电液调速系统,针对数字电液控制系统中的非线性环节,完成了一种基于模糊内模控制策略的调速系统的设计。具体是将广义被控对象通过粒子群算法的使用完成模型简化处理,然后将其通过内模控制原理的运用完成内模PID的设计,使用最大灵敏度函数选取初始参数,并对参数采用模糊控制器完成在线整定过程。系统仿真结果表明本文设计的方法使参数选取的效率得以有效提升,在减少超调量的同时显著提高了系统响应速度及抗干扰能力,从而使汽轮机调速系统的整体控制质量和效率得以有效提升,为汽轮机调速系统的优化和完善提供参考。This paper mainly studies the digital electro-hydraulic speed control system of steam turbine.For the nonlinear link in the digital electro-hydraulic control system,a speed control system based on the fuzzy internal model control strategy is designed.The model simplification process is completed through the use of the particle swarm algorithm,and then the internal PID model is designed through the application of the internal model control principle,the initial parameters are selected by using the maximum sensitivity function,and the fuzzy controller is used to complete the online tuning.process.The system simulation results show that the method designed can effectively improve the efficiency of parameter selection,so that the system can significantly improve the system response speed and anti-interference ability and reduce the overshoot,so that the overall control quality and efficiency of the turbine governing system can be improved.These may provide reference for the optimization and improvement of steam turbine speed control system.

关 键 词：汽轮机 数字电液控制系统 调速系统 模糊内模控制 

分 类 号：TM311[电气工程—电机]