水箱温度测控设计与实现毕业设计.docVIP

毕 业 设 计（论文） 水箱温度测控系统的设计与实现 水箱温度测控系统的设计与实现 [摘 要]论文采用对被控对象单容水箱建立了仿真模型，用对labview的拟控制系统其设计了水箱对象模型及常规PID控制系统。在该系统设计中，论文就常规PID控制器的设计作了详细叙述，并对其进行参数整定得到了最佳PID参数，在100时仿真实验获得阶跃响应曲线。然后对单容温度对象设计了PID控制系统。然后提出了系统的整体结构，对系统控制原理进行了分析，详细叙述了如何设计对水箱温度的控制。本文探讨对水箱温度控制系统的PID控制在虚拟仪器开发软件LabVIEW中的实现方法，并将其应用于水箱温度的控制，并对其实现性做了分析，仿真结果表明控制系统具有良好的动、静态控制效果，系统是可以实现的。 关键词: LabVIEW 水箱对象模型 　PID 　温度控制系统 Tank Temperature Control System Design and Implementation Abstract : Along with the science and technology and the development of computer technology and virtual instrument is developed, based on the control system of labview control system provides a platform. This paper discuss the problem, temperature control system background, research status and the subject of the content and meaning. Papers of the controlled object single let water tank with established simulation model, the control system of labview its design the tank object model and conventional PID control system. In this system, the thesis is design of conventional PID controller design for a detailed description and to get the optimum parameters in 100 PID parameters obtained simulation experiment step response curve. Then let the temperature of the objects PID control system design. And then puts forward the overall structure of the system, the control principle of system are analyzed in detail, and how to design the control of water temperature. Based on the temperature control system of PID control in LabVIEW virtual instrument software development, and the realization methods applied to the water temperature control, and its implementation are analyzed, the simulation results show that the control system has good dynamic and static control effect, the system can be realized. Keywords : 　LabVIEW , Tank object model，PID ,cont rol system. 目　　录 1.1 课题背景 5 1.2水箱温度控制研究的现状 6 1.3 本设计的技术要求 6 1.4课题的意义及本论文的主要内容 7 1.4.1课题的意义 7 1．4．2本论文的主要内容 7 1.5课题的总体方案 8 2 水箱温度控制系统硬件设计 8 2系统硬件设计 8 2.1温度检测电路 9 2.2 传感器的选择类型 10 2.1.2加热器的选择 12 3 水箱温度软件系统设计 1