【完整版】双闭环直流调速系统仿真毕业论文设计

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二 〇 〇 七 年 六 月

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摘 要

直流电动机具有良好的起制动性能，易于在广泛范围内平滑调速，在需要高性能可控电力拖动的领域中得到了广泛的应用。

本文介绍了双闭环直流调速系统的原理，并通过试验的方法获得双闭环直流调速系统的各项参数，采用的直流双闭环调速系统的设计是从内环到外环，即先设计好电流环后将其等效成速度环中的一个环节，再对速度环进行设计。采用工程设计方法对双闭环直流调速系统进行辅助设计，选择调节器结构，进行参数计算和近似校验。在MATLAB中建立仿真模型，最后采用MATLAB中的Power System工具箱对所设计的系统进行仿真,得到了比较理想的运行曲线。分析转速和电流的仿真波形，并进行调试，使双闭环直流调速系统趋于完善、合理。

关键词:调节器;双闭环直流调速系统;Matlab仿真

Abstract

The direct current electric motor widespread scope smooth velocity modulation, in needed in the domain which the the widespread application.

This paper introduces the Double Closed-loop DC SR System’s Principle. And passing the test method Access the Double Closed-loop DC SR System Parameters. Design from the inner to outer loop First design of the Central Current loop will be equivalent to the speed loop of a ring link, design Central to further speed loop. engineering design method for dual closed loop speed control system for DC-aided design, choice of device structure, parameter calibration and approximate calculation. it uses the Power System toolbox in the MATLAB to the system which designs to carry on the simulation，and obtain the satisfactory operation curve. Analysis of the speed and current waveform simulation, and debugging, so that the Double Closed-loop DC SR System perfect, reasonable.

Keywords: Regulator; Double Closed-loop DC SR System; Matlab simulation