自动控制原理课程设计MATLAB仿真.docVIP

目录 概述······························································1 一、实验目的························································1 二、简述MATLAB语言的特点及其主要功能·······························1 三、控制系统仿真时常用的方法和指令···································2 1、控制系统仿真时常用的方法··········································2 a、数学仿真·························································2 b、半物理仿真·······················································2 c、全物理仿真·······················································2 2、控制系统仿真时常用的指令··········································2 1)、Bode图··························································2 ①、绘制Bode图·····················································2 ②、系统的增益裕度和相角裕度········································2 2）、Nichols图·······················································3 3）、Nyquist图·······················································3 4）、一般频率响应图··················································3 5）、频率响应的奇异值图··············································3 6）、绘制根轨迹······················································4 四、实验内容·························································4 五、心得体会························································22 六、参考文献·······················································22 概述 MATLAB 是一种直观、高效的计算机语言，同时也是一个科学计算平台。它的伴随工具Simulink 是用来对真实世界的动力学系统建模、模拟仿真和分析的软件。我们可将综合性和设计性实验项目通过MATLAB 在计算机上仿真，使系统的观察实验的动态过程。目前，MATLAB 已经成为我们当代大学生必须掌握的基本技能，在设计研究单位和工业部门，MATLAB 已经成为研究和解决各种具体工程问题的一种标准软件。在完成了验证性、综合性和设计性实验后，课程设计必不可少。课程设计是工科实践教学的一个重要的环节，目的是培养我们综合运用理论知识分析和解决实际问题的方法和能力,实现由知识向技能的初步化。所以课程设计是培养我们思维创造能力最有效的途径。 一、实验目的 1、培养理论联系实际的科学态度，训练综合运用经典控制理论和相关课程知识的能力。 2、掌握自动控制原理的时域分析法，根轨迹法，频域分析法，以及各种（矫正）装置的作用及用法，能够利用不同的分析方法对给定系统进行性能分析，能根据不同的系统性能指标要求进行合理的系统设计，并调试满足系统的指标。 3、学会使用MATLAB语言及Simulink动态仿真工具进行系统的仿真与调试。 4、锻炼独立思考和动手解决控制系统实际问题的能力。 二、简述MATLAB语言的特点及其主要功能 MATLAB是矩阵实验室（Matrix Laboratory）的简称，是美国MathWorks公司出品的商业数学软件，用于算法开发、数据可视化、数据分析以及数值计算的高级技术计算语言和交互式环境，主要包括MATLAB和Simulink两大部分。它将数值分析、矩阵计算、科学数据可视化以及非线性动态系统的建模和仿真等诸多强大功能集成在一个易于使用的视窗环境中，为科学研究、工