臺灣博碩士論文加值系統

本論文主旨在建立智慧型車輛動力系統控制之相關技術與方法。智慧型車輛動力系統之設計，可以將電子點火、噴油系統及自動變速箱傳動系統加以整合。其中車輛動力系統性能，由相關控制軟體構建合適之車輛動力系統及傳動系統模型，進行輸出性能之模擬分析。
模擬軟體之建構以量測實驗引擎於動力計上之實測數據為基礎，配合相關控制系統原理，加以修正其動態響應性能，以期能建立良好之對應關係。本論文配合一部四行程汽油引擎車輛之動力系統量測，研究引擎在車輛各種操作狀態如加減速時，引擎空燃比、扭力、轉速及進氣壓力等動態特性與有相關影響之操作變數間之工程相關性。
引擎、變速箱、傳動軸、差速器、驅動軸傳遞至輪胎之扭力及轉速藉由傳動系統之整合動態模式完成相關數學模式與參數設定方法，可以提供設計智慧型車輛動力系統並評估比較參數對性能之影響。
藉由不同加減負荷、轉速量測之數據，分析引擎燃燒之動態響應特性，瞭解各計算控制模式及參數對車輛性能之影響及其感度。並修正模擬動力系統動態模式及相關引擎與傳動系統匹配控制策略，以產生較佳智慧型車輛動力系統評估計算分析所須之性能，同時協助工程師改善設計、縮短研發試誤及時辰。

This study is proposed to establish technology and methodology for powertrain dynamic control systems in an Intelligent Vehicle System (IVS). IVS powertrain control system integration includes the electronic ignition system, electronic fuel injection system and the electronic transmission control system. Several simulation programs were developed to evaluate and predict the real-time performance of the powertrain. The proper powertrain dynamic models establish relationship between the engine performance and the vehicle operating variables and control parameters.
The simulation program was based on the specific engine test data; the related control system principles were incorporated to modify the dynamic performance response of the engine and IVS powertrain. The output of this simulation program including the engine speed and manifold pressure variation according to the variation of model input variables such as throttle position and engine load torque setting.
The engine combustion output performance was tested under different operating conditions to analyze the internal correlation between performance and variables such as engine speed, intake manifold pressure, and spark advance etc. The implement of the control system dynamic models needs to find out the model constants and functions by which the dynamic performance of the engine and IVS powertrain can be predicted.
With this dynamic performance simulation program, engineer can evaluate the variation in engine and powertrain dynamic performance due to design change and different control settings, reducing the corresponding trial-and—error effort, saving the research and development time and cost.

目錄
封面內頁
簽名頁
授權書 iii
中文摘要 v
ABSTRACT vi
誌謝 viii
目錄 ix
圖目錄 xii
表目錄 xvi
符號說明 xvii
第一章 緒論 1
1.1 前言 1
1.2 文獻回顧 2
1.3 研究動機 8
1.4 研究目的與本文架構 10
第二章 研究方法與理論分析 12
2.1 引擎系統動態模式 12
2.1.1 節氣門動態模式之建立 13
2.1.2 怠速控制閥之動態特性 17
2.1.3 進氣歧管動態模式之建立 19
2.1.4 廢氣再循環控制閥之動態特性 25
2.1.5 引擎輸出扭力與轉速動態模式之建立 28
2.2 傳動系統動態模式 29
2.2.1 扭力變換器模式 29
2.2.2 變速箱與最終傳動模式 31
2.2.3 驅動軸動態模式 32
2.2.4 輪胎與車輛行車阻力模式 33
2.2.5 傳動系統之整合模式 35
第三章 參數變化分析與動態模擬結果 39
3.1 改變進氣歧管燃油沉積率之參數 39
3.2 改變引擎怠速控制之參數 46
3.3 改變引擎廢氣再循環之參數 55
3.4 自動變速箱換檔加速性能之模擬結果 64
3.5 結合引擎與傳動系統之模擬結果 69
第四章 引擎定轉速控制與參數最佳化分析 76
4.1 引擎定轉速之控制與模擬 76
4.2 控制參數多目標性能最佳化分析 85
4.2.1 最佳化定速器控制參數 85
4.2.2 實驗設計統計分析 87
4.2.3 多目標性能功效係數最佳化搜尋 87
第五章 引擎動態模式之實驗驗證 95
5.1 實驗設備 95
5.1.1 實驗引擎 95
5.1.2 引擎動力計 95
5.2 實驗驗證 97
5.2.1 實驗量測之條件 97
5.2.2 模型參數調校 98
5.2.3 模型參數多目標性能最佳化分析 101
第六章 結論與建議 116
6.1 結論 116
6.2 建議事項與未來研究項目 118
參考文獻 120

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