摘要優(yōu)化設(shè)計作為現(xiàn)代設(shè)計方法之一，在各個領(lǐng)域起著越來越重要的作用。《機械優(yōu)化設(shè)計》 是機械設(shè)計類專業(yè)的一門必修課程，其中優(yōu)化設(shè)計方法理論性較強，學(xué)生不易理解,從而使得學(xué)生在學(xué)習(xí)過程中倍感吃力。本課題研制了一個基于 MATLAB 的約束優(yōu)化算法軟件包，該軟件包有著友好 的圖形用戶界面(GUI)和求解的直觀性.圖形用戶界面由參數(shù)輸入框,系數(shù)擬合函數(shù)曲線,結(jié)果輸出框三部分組成。運用該軟件可以幫助學(xué)生更好地理解優(yōu)化算法的尋優(yōu)過程，使抽象的問題具體化。本文介紹了約束優(yōu)化算法軟件包的開發(fā)過程和其使用方法，對計算機輔助教學(xué)有一定的幫助。48808

畢業(yè)論文關(guān)鍵詞: 二級圓柱減速器；優(yōu)化設(shè)計；數(shù)學(xué)建模；軟件包；圖形用戶界面

Abstract As one of the primary modem design ways, optimization plays a more important role then ever in kinds of areas. 《 optimization design of machinics》is one of necessity courses of machinical design domain,in which optimization methods were abstrctive,it is hard to understand and this reslut the students felt difficulty in study process. In this task, the design of restraint optimization software based on MATLAB is introduced,what has a very friendly graphic user interface (GUI) and make the resluts visual.The GUI was consisted of the parameter input frame,the parameter output frame and the figure of outcomes.The software can help the students understanding the process of looking for the best point,and to change the abstractive problem specific. In this paper,the process of open up and the method of using were introduced about the restraint optimization software,which may apply some help for the computer aided instruction.

Keywords: Two stage Cylindrical gear reducer；Optimal design Keywords Mathematical modeling ；Software package ；Graphic user interface

目? 錄

第一章? 緒論1

1.1立題的來源、目的和意義1

1.2 研究現(xiàn)狀1

1.2.1最優(yōu)化設(shè)計的應(yīng)用及發(fā)展4

1.2.2 MATLAB的GUI的應(yīng)用及優(yōu)缺點5

第二章 二級圓柱減速器優(yōu)化理論基礎(chǔ)6

2.1 優(yōu)化算法原理6

2.2最優(yōu)化設(shè)計的數(shù)學(xué)模型6

2.3約束優(yōu)化算法7

2．3．1? 懲罰函數(shù)內(nèi)點法8

2．3．2? DFP變尺度法14

2．3．3? 懲罰函數(shù)外點法17

2．3．4? 懲罰函數(shù)混合法21

2.3.5三種算法的比較23

本章小結(jié)24

第三章 二級圓柱齒輪減速器的優(yōu)化設(shè)計25

3.1 優(yōu)化總體方向的選擇25

3.2二級圓柱齒輪減速器的優(yōu)化設(shè)計25

3.2.2 確定目標(biāo)函數(shù)27

3.2.3 確定約束條件27

3.2.4 MATLAB實現(xiàn)及結(jié)果分析29

第四章KV,YFA,YSA的擬合函數(shù)31

4.1 動載系數(shù)KV的擬合函數(shù)31

4.2 齒形系數(shù)YFA的擬合函數(shù)32

4.3應(yīng)力校正系數(shù)YSA的擬合函數(shù) matlab減速器計算機輔助設(shè)計系統(tǒng)+程序+CAD圖紙+源程序:http://www.lwfree.com/jixie/lunwen_51524.html

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