直流电动机双闭环调速系统动态特性的研究与仿真精选.doc

摘 要 通过运动控制系统对双闭环调速，主要研究双闭环调速的抗扰性能，并运用MATLAB得出仿真曲线，此研究对直流电机在运行中受到扰动而保持稳速，获得最小静差有重大意义。 本文叙述了直流电动机的基本原理和调速原理，介绍了直流电动机开环和双闭环调速系统的组成及静、动态特性，并且根据直流电动机的基本方程建立了调速系统的数学模型，给出了动态结构框图，用工程设计方法设计了直流电动机双闭环调速系统。最后，用MATLAB仿真软件搭建了仿真模型，对调速系统进行了仿真研究。 通过对直流电动机双闭环调速系统动态特性的研究与仿真，可以清楚地看到，直流电动机双闭环调速系统具有较好的动态性能，可以在给定调速范围内，实现无静差平滑调速，这为直流电动机调速系统的硬件实验提供了理论依据。 关键词：直流调速； 双闭环系统； 电流调节器； 转速调节器； 计算机仿真 Abstract Motion control system through the two-loop DC Motor Control System, the main of the double loop speed control disturbance rejection performance and the use of MATLAB simulation curves obtained in this study by the DC motor disturbances in the operation while maintaining steady speed, access to minimum Static error of great significance. This paper describes the basic principle of DC motor and speed control principle, introduced the open-loop DC motor and dual-loop speed control system components and the static and dynamic characteristics, and according to the basic equation of DC motor speed control system construction established a mathematical model Diagram shows the dynamic structure, designed by engineering design of DC Speed ??Regulation system. Finally, the simulation software MATLAB simulation model built on the speed control system was simulated. By DC Motor Speed ??Regulation of the dynamic characteristics and simulation, we can see clearly, double-loop DC motor speed control system has good dynamic performance, you can within a given speed, a smooth static error-free Speed??, which for the DC motor speed control system hardware to provide a theoretical basis for experiments. Key words: Speed control of DC-drivers; Double-closed-loop; Current regulator; Speed regulator; Computer simulation 朗读 显示对应的拉丁字符的拼音 ? 字典 名词 summary abstract 朗读 显示对应的拉丁字符的拼音 字典 名词 summary abstract 目录 1.绪论 1 1.1课题背景 1 1.2直流调速的发展现状 2 1.3课题内容 2 2.直流电动机调速分析 4 2.1直流电动机的基本原理 4 2.2直流电动机的运行特性 4 2.3调速系统 5 2.3.1直流电动机的调速 5 2.3.2调速系统性能指标 6 2.3.3开环调速系统存在的问题 8 2.3.4单闭环直流调速存在的问题 9 3.直流电机双闭环直流调速系统设计 10 3.1双闭环调速原理 11 3.2双闭环直