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研究生:蘇筵壬
研究生(外文):Sue,Yanren
論文名稱:直接噴射共軌式柴油引擎管理系統控制最佳化之研究
論文名稱(外文):Optimization Control Study of Engine Management System for Direct InjectionCommon Rail Diesel Engine
指導教授:張一屏
指導教授(外文):Chang, I-Ping
口試委員:張一屏盧昭暉張舜長
口試日期:2011-06-29
學位類別:碩士
校院名稱:大葉大學
系所名稱:機械與自動化工程學系
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2011
畢業學年度:99
語文別:中文
論文頁數:138
中文關鍵詞:共軌式柴油引擎管理系統設計多缸柴油引擎動態模擬實驗設計法與多目標最佳化搜尋
外文關鍵詞:Common Rail Direct Injection diesel engine management system designMulti-cylinder diesel engine and vehicle driving cycle dynamic simulationMulti-objective optimization searchDiesel engine combustion analysis
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本研究之主旨為建立多缸四行程直接噴射共軌式柴油引擎管理系統動態響應之模擬技術、並驗證性能。使引擎控制與輸出性能參數即時顯示之軟硬體,結合引擎控制參數多目標最佳化調校法則,由引擎測功計實驗加以驗證。
利用所建立之行車型態轉換成關鍵點油耗污染模擬模,篩選出行車型態關鍵點,並經由實際車輛與環境之參數及所量測之引擎實驗數據進行計算得到車輛之平均油耗里程數及每公里之排放克數。以實驗設計最佳化分析軟體找出引擎性能響應曲面方程式,建立多目標達陣最佳化控制參數搜尋程式,預測四行程直接噴射共軌式柴油引擎之性能、油耗及污染,達到設計規格,並找出最佳之引擎控制參數。透過四行程直接噴射共軌式柴油引擎燃燒分析模組,由引擎量測之缸壓與曲軸角度之數據,計算引擎燃燒之淨熱釋放率、淨熱釋放,以分析引擎性能供引擎發展與控制之參考。

The main purpose of this study is to establish a simulation and analysis methodology for multi-cylinder four-stroke direct-injection common-rail diesel engine management system and to verify the dynamic performance response. The hardware and software of the engine control were combined to display real-time performance parameters with the engine control parameter tuning and multi-objective optimization rules and to verify the engine performance by dynamometer experiments.
This study has built the search program for multi-cylinder four-stroke common rail direct injection diesel engine multi-objective goal attainment optimization control parameters. The fuel consumption and pollution of vehicle driving cycle was converted into engine torque and speed by using the real vehicle parameters. Several key points were sorted from the corresponding map data for steady state estimation measurement. The selected key points control parameters were changed to reduce the overall exhaust emissions. Simulation module and combustion analysis models were used to explore injection pressure, injection timing and the injection duration of engine management system. Engine torque, speed and the relationship between the response of pollutants in the exhaust were optimized and compared with the baseline engine measurement data. Real-time display and record of the engine hardware and software parameters, and control parameters under different engine operating conditions were measured. The engine combustion heat release and its rate were calculated by using engine combustion pressure data and validated with combustion analyzer under different engine operating conditions. The dynamic relationship between control and the response data can be used as future reference for developing of engine management systems. By experimental design and multi-objective optimization search, the experiments time and expanse can be reduced and the efficiency of engine parameters calibration and adjustment can thus be improved.

中文摘要........................................... iii
ABSTRACT.......................................... iv
誌謝...............................................vi
目錄...............................................vii
圖目錄.............................................x
表目錄.............................................xvii
符號說明...........................................xix
第一章 緒論.......................................1
1.1 前言..........................................1
1.2 文獻回顧.......................................2
1.2.1 車輛性能模擬分析相關文獻....................... 2
1.2.2 柴油引擎管理系統最佳化設計相關文獻..............4
1.3 研究動機....................................... 8
1.4 本文架構....................................... 9
第二章 研究方法.................................... 10
2.1 行車型態轉換成關鍵點油耗污染模擬模組建立........... 10
2.1.1 行車型態轉換引擎輸出轉速、扭力模組.............. 11
2.1.2 油耗及污染模擬模組............................ 15
2.1.3 排放數據轉換模組.............................. 17
2.1.4 行車型態關鍵點選取模組.........................20
2.2 實驗設計法與多目標最佳化......................... 23
2.2.1 實驗設計法...................................23
2.2.2 多目標性能功效係數最佳化搜尋...................24
2.2.3 多目標達陣最佳化控制參數搜尋...................25
2.3 四行程直接噴射共軌式柴油引擎燃燒分析模組建立.......27
2.4 實驗相關設備...................................29
第三章 四行程直接噴射共軌式柴油引擎性能與油耗污染模擬分析..............36
3.1 四行程直接噴射共軌式柴油引擎性能最佳化模擬分析.....36
3.2 行車型態關鍵點油耗污染最佳化模擬分析..............58
3.3 四行程直接噴射共軌式柴油引擎燃燒分析模擬...........101
3.3.1 定轉速不同扭力................................101
3.3.2 定扭力不同轉速................................105
第四章結果與討論....................................110
4.1 四行程直接噴射共軌式柴油引擎性能最佳化驗證.........110
4.2 行車型態關鍵點油耗污染最佳化驗證.................. 112
4.3 四行程直接噴射共軌式柴油引擎燃燒分析驗證........... 115
4.3.1 定轉速不同扭力驗證............................ 115
4.3.2 定扭力不同轉速驗證............................121
第五章 結論與建議................................... 127
5.1 結論..........................................127
5.2 建議事項與未來研究項目..........................128
參考文獻...........................................130
附錄...............................................134

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