摘 要

直流電機雙閉環調速系統是一個復雜的自動控制系統，是目前直流調速系統中的主流設備，具有調速范圍寬、平穩性好、穩速精度高等優點，在理論和實踐方面都是比較成熟的系統，在拖動領域中發揮著極其重要的作用。

由于直流電機雙閉環調速是各種電機調速系統的基礎，本文從直流電機的基本特性進行雙閉環直流電機設計，最后用實際系統進行工程設計，并采用MATLAB/SIMULINK進行仿真。

對于直流電機雙閉環調速系統，在設計和調試過程中有大量的參數需要計算和調整，運用傳統的設計方法工作量大，系統調試困難。本文對直流電機雙閉環調速系統進行輔助設計，選擇調節器結構，進行參數計算和近似校驗，根據給出和計算出的相應參數，建立起制動、抗電網電壓擾動和抗負載擾動的MATLAB/SIMULINK仿真模型，分析轉速和電流的仿真波形，并進行調試，使直流雙閉環調速系統趨于完善、合理。：直流調速雙閉環系統電流調節器轉速調節器計算機仿真Abstract

The double closed loop direct current velocity modulation system is a complex automatic control system, is in the present direct current velocity modulation system mainstream equipment, has the velocity modulation scope width, the stability is good, the steady fast precision higher merit, in the theory and the practice aspect all is the quite mature system, in drives in the domain to play the extremely vital role.

Because the direct current machine double closed loop velocity modulation is each kind of electrical machinery velocity modulation system foundation, from the direct current machine basic characteristic conducts the double closed loop direct current machine design method research, finally uses the actual system to carry on the engineering design, and uses MATLAB/Simulink to carry on the simulation.

Regarding the double closed loop direct current velocity modulation system, has the massive parameters in the design and the debugging process to need to calculate and to adjust, the utilization tradition design method work load is big, system debugging difficulty. This article carries on the assistance design to the double closed loop direct current velocity modulation system, chooses the regulator structure, carries on the parameter computation and the approximate verification, according to produces the corresponding parameter which and calculates, establishes applies the brake, the anti- electrical network voltage perturbation and the anti-load perturbation MATLAB/Simulink simulation model, the analysis rotational speed and the electric current simulatio

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