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研究生:林秉彥
研究生(外文):Lin, Benyan
論文名稱:高壓直噴共軌柴油引擎多次噴油性能
論文名稱(外文):Multi-Injection Performance Optimization Study for a High Pressure Direct Injection Common Rail Diesel Engine
指導教授:張一屏
指導教授(外文):Chang, Iping
口試委員:張一屏盧昭輝張舜長
口試委員(外文):Chang, IpingLu ,Jauhueichang, Shuenchang
口試日期:2012-07-12
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:2012
畢業學年度:100
語文別:中文
論文頁數:139
中文關鍵詞:高壓共軌柴油引擎多次噴油控制柴油引擎多次噴油之性能油耗及污染最佳化實驗設計多目標最佳化搜尋柴油引擎燃燒分析
外文關鍵詞:DICR diesel engine multiple fuel injection control systemDiesel engine multiple injection performance optimizationDesign of experiment Multi-objective optimization searchDiesel engine combustion analysis
相關次數:
  • 被引用被引用:3
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  • 下載下載:39
  • 收藏至我的研究室書目清單書目收藏:0
本研究之主旨為建立高壓直接噴射共軌式柴油引擎多次噴油系統性能控制最佳化之研究。 藉由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。
利用行車型態以及車輛參數轉換成引擎扭力與轉速之關鍵點油耗污染模擬,篩選出行車型態關鍵點,以實驗設計最佳化分析軟體將篩選出的關鍵點進行單噴與雙噴最佳化分析與調校。 建構引擎性能響應曲面方程式,以多目標達陣最佳化控制參數搜尋程式,預測及比較柴油引擎單噴及多次噴油之性能、油耗及污染,降低油耗廢氣排放量。 實驗驗證針對行車型態中三個不同之關鍵點加以測試,並找出對應雙噴四個控制參數分別為預噴與主噴正時及噴油間隔之最佳值。 此外研究亦透過燃燒分析儀與所建立之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,進行單噴與雙噴燃燒分析比較,計算引擎燃燒之淨熱釋放率、淨熱釋放,以分析引擎燃燒特性供爾後直接噴射共軌式柴油引擎發展與控制之參考。

The main purpose of this study is to establish the multiple injection performance optimization methodology for a high pressure Direct Injection Common Rail (DICR) diesel engine. The hardware and software of the engine control system were combined with the engine dynamometer display real-time performance parameters so that the engine control parameter tuning and multi-objective optimization rules can be integrated and the engine performance be verified at the same time by dynamometer experiments.
This study has built the fuel consumption and pollution models of vehicle driving cycle which then 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. Experimental design optimization analysis software will emphasize three filtered driving cycle key points with both single injection and double injection analysis. The engine performance response surface functions were built and used to find optimal control parameters by using multiple targets goal-attainment optimization search program. The predicted diesel engines single and multiple injection performance, include brake torque, specific fuel consumption and four major emissions, were compared and optimized to reduce fuel consumption and emissions. The four corresponding engine control parameters include the pre-injection and main injection timings and injection durations were calculated and validated by engine dynamometer tests. The engine combustion heat release and its rate were calculated by using engine combustion pressure –crank angle data and validated with combustion analyzer under different engine operating conditions. Single injection and double injection combustion analysis were conducted and compared. The dynamic relationship between control and the response performance can be used for future reference in developing of DICR diesel 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.

封面內頁
簽名頁
中文摘要...........................................................................................................iii
ABSTRACT...........................................................................................................iv
誌謝...............................................................................................................vi
目錄..............................................................................................................vii
圖目錄.............................................................................................................ix
表目錄............................................................................................................xvi
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柴油車輛多點噴射性能策略相關文獻...................................................................................2
1.2.2柴油引擎多點噴射最佳化設計相關文獻.................................................................................9
1.3研究動機.........................................................................................................11
1.4本文架構.........................................................................................................12
第二章 研究方法.....................................................................................................14
2.1行車型態關鍵點篩選分析............................................................................................15
2.1.1行車型態關鍵點油耗污染最佳化模擬分析..............................................................................18
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 柴油引擎多次噴油性能最佳化分析.................................................................................38
3.1多次噴油油耗污染最佳化量測分析.....................................................................................38
3.2柴油引擎單噴與雙噴油耗汙染最佳化驗證................................................................................91
第四章 柴油引擎多次噴射性能燃燒分析...................................................................................95
.4.1雙噴控制參數對扭力的影響..........................................................................................95
.4.2雙噴主噴油正時對扭力的影響........................................................................................97
4.3單次噴射與二次噴射燃燒分析比較....................................................................................109
第五章 結論與建議...................................................................................................121
5.1結論...........................................................................................................121
5.2建議事項與未來研究項目...........................................................................................123
參考文獻...........................................................................................................125
附錄..............................................................................................................130

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