臺灣博碩士論文加值系統

本研究目的在於分析前人所設計的壓縮空氣推動液壓馬達系統，並針對其油路及控制方式進行改善。在本研究中，重新分配前人所設計油路中的閥件，以減少管路耗損，並探討蓄壓器對系統之影響。透過節流閥及氣動球閥控制進入蓄壓器之流量，接著調整其預壓以得到更佳的效率。在控制方法改良方面，加入新的控制相位，並改寫控制程式，以達到節省電力的需求。除此之外，本研究比較新油路系統與舊油路系統差異，並以高壓/低壓、膨脹/等壓四種不同操作方式量測系統效率。

The purpose of this research is to redesign the compressed air driven hydraulic motor system which is designed in the former research and improve the oil line and control method. In this research, the valves in the piping system are rearranged to reduce the energy loss. The influence of the accumulators is also discussed. The use of the flow control valve and pneumatic ball valve controls the flow into the accumulator and adjusts the preload of accumulator to achieve better efficiency. To improve the control method, the system is added a new control phase and the control code are designed to decrease the consumption of power. Besides, the difference between the new piping system and old piping system is compared and measure the efficiency of high pressure/low pressure、constant pressure/expansion operations.

圖表目錄 VI
圖目錄 VI
表目錄 VII
第一章 緒論 1
1.1 前言 1
1.2 研究動機 1
1.3 研究目的 2
1.4 文獻回顧 2
1.4.1 氣動車之可行性與適用範圍 2
1.4.2 氣動車之應用 6
1.4.3 壓縮空氣推動之液壓系統 9
1.4.4 系統效率計算 14
第二章 油路系統架構與運作流程 17
2.1 系統設計概念 17
2.2 系統運作流程 18
2.3 理論與最佳化 21
2.4 實驗設備介紹與架設 26
2.4.1 供氣元件 26
2.4.2 氣液壓轉換元件 30
2.4.3 輸出元件 32
2.4.4 管路系統 33
第三章 系統控制策略與架構 35
3.1.1 膨脹模式操作 36
3.1.2 等壓模式操作 37
3.2 電控系統分析 39
3.3 架構與改裝 39
3.4 實驗設備介紹與架設 44
第四章 實驗方法與實驗結果 47
4.1 低壓系統實驗 47
4.1.1 等壓操作效率實驗 49
4.1.2 膨脹操作效率實驗 50
4.2 高壓系統實驗 52
4.2.1 調壓閥輸出壓力實驗 53
4.2.2 高壓管路系統效率實驗 54
4.2.3 蓄壓器預壓實驗 56
4.2.4 高壓主系統效率實驗 59
第五章 結論及未來工作 62
參考文獻 65

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