换热站供热系统解耦控制的设计与研究.docxVIP

换热站供热系统解耦控制的设计与研究摘 要本文基于多变量解耦控制和PID控制理论，在经典PID控制结构中加入解耦控制结构，对集中供暖系统质量的控制策略做了深入探讨，主要工作包括室温的PID多变量解耦控制系统的设计,寻求适当的控制规律，使输入输出相互关联的多变量系统实现每一个输出仅受相应的一个输入所控制，每一个输入也仅能控制相应的一个输出，参数的选择与计算;进行了仿真试验，将PID多变量解耦控制成功地应用于该系统，该系统仿真是在MATALAB7. 0中进行的。根据仿真结果可以看出，应用PID多变量解耦施加控制可以大大改善室温的自动控制。本文以控制仪表及系统、MATLAB控制系统动态仿真。使该系统实现了远程通讯控制，调节方便，便于管理，使室温更加舒适，同时也促进用户更加主动地去节约能源，能达到良好的节能效果，具有良好的经济效益和社会效益。关键词:PID多变量PID解耦控制;系统仿真;集中供暖系统Heat transfer station heating system decoupling control design and researchAbstractIn this paper, the structure of multivariable decoupling control is added into classical PID control structure based on theory of multivariable decoupling control and PID control and discussion is made deeply on control strategy of room temperature in central heating system. The main work includes design of PID multivariable decoupling control system of the room temperature, the choice and calculation of parameter, the sureness of membership function, the setting-up of decoupling control table, etc.; On the meantime, having carried on the emulation test, PID multivariable decoupling control succeeds in applied to this system. This system emulation is carried on in MATALAB7.0. According to emulation result, we can find out the algorithm of PID multivariable decoupling may improve the automatic control of the room temperature greatly. This paper combines together with intellectual instrument and apparatus technology, sensor technology. This system realizes the control and telecommunication in long range and is easy to manage and make the room temperature more comfortable; On the same time, it promotes users to conserve energy voluntarily and reaches the good energy-conserving result. This system has good economic benefits and social value.Keywords： PID multivariable decoupling Control; System Simulation; Central Heating System目录摘 要IAbstractII1 绪论1 1.1选题背景及意义1 1.2国内外现状和发展趋势21.2.1国外现状及发展趋势21.2.2国内现状及发展趋势2 1.3 PID控制技术的发展状况3 1.4 课题研究的主要内容52 集中供热工艺概述及运行调节7 2.1 集中供热工艺概述7 2.2 集中供热系统控制的运行调节方法82.2.1质调