查詢結果分析
相關文獻
- 利用碎形理論建立量測訊號與鋼珠磨潤行為關聯性研究
- 運用多重碎形理論於滾珠螺桿系統之訊號分析
- 碎形理論與波浪理論的應用分析
- 以Cantor集觀念解析水文變量在時間尺度上之行為
- 純鈦金屬及基底金屬之表面分析與撕裂強度比較
- Effects of Surface Roughness on the Elastic-plastic Contact between the Fractal Rough Surface and a Plane
- 製程參數對精密陶模強度、尺寸精度、表面粗糙度、透氣性之影響
- 探針尖端曲率半徑對測量粗糙表面之影響
- 表面粗糙度對板內熱傳導溫度分佈的影響
- Lack of Intravenous Lidocaine Effects on HRV Changes of Tracheal Intubation during Induction of General Anesthesia
頁籤選單縮合
題名 | 利用碎形理論建立量測訊號與鋼珠磨潤行為關聯性研究=The Use of Fractal Theory to Establish the Correlation between the Measuring Signals and the Tribological Behavior of Steel Balls |
---|---|
作者 | 劉正倫; 孫毅興; 林仁輝; 屈岳陵; 黃逸羣; Liou, Jeng-luen; Sun, Yi-hsing; Lin, Jen-fin; Chiu, Yueh-ling; Hulang, Yih-chyun; |
期刊 | 航空技術學院學報 |
出版日期 | 20110800 |
卷期 | 10:1 2011.08[民100.08] |
頁次 | 頁131-142 |
分類號 | 446.8752 |
語文 | chi |
關鍵詞 | 碎形理論; 訊號分析; 表面粗糙度; Fractal theory; Signal analysis; Surface roughness; |
中文摘要 | 本研究係利用碎形理論分析由磨耗試驗機取得訊號與磨潤系統行為之關聯性,根據 W-M碎形方程式(Weieratrass-Mandelbrot Fractal Function)修正以往單獨以碎形維度 Ds來代表訊號行為之模式,以碎形維度 Ds與高度尺度參數 G來反應訊號行為。藉由碎形參數的變化找出原始訊號無法看出之細微變化及訊號亂中有序的規律性,發現與機台磨潤行為之對應關係,同時探討 2種潤滑油脂與負荷對於磨潤行為之影響。 磨潤實驗以四球磨耗機構來測試潤滑油脂的潤滑性質,實驗擷取接觸電阻進行分析。再根據量測訊號之物理意義,建立訊號與鋼珠磨潤行為之關聯,以訊號分析後的碎形參數來代表機台狀況。最終可以作為判斷機台運作狀況、鋼珠表面磨耗情形之代表指標。根據實驗結果顯示,由接觸電阻訊號之碎形參數分析發現與鋼珠表面粗糙度存在對應關係,利用表面形貌儀掃描磨耗點形貌,得到接觸電阻之碎形參數變化趨勢與鋼珠表面粗糙度呈反比關係。 |
英文摘要 | The fractal theory is applied in this study to analysis signals from the wear testing machine and building a Real-Time system to monitors the status of machine. According to the analysis results from the fractal theory, obtaining the correlation between measuring signals and tribological behavior. In the present study, the Weieratrass-Mandelbrot fractal function model, using two fractal parameters: fractal dimension Ds and topothesy G to represent the characteristic of signal behavior instead of the model which only using fractal dimension Ds. The combination of Real-Time processing technique and the fractal theory, fractal parameters can be identified which the original signal can not be seen from the subtle changes and orderly chaos signal regularity. In the same time, to probe into how lubrication grease and load affects tribological behavior of the machine. All the tribological experiments in this study are using Falex # 6 wear testing machine with a four-ball wear testing fixture. All these experiments are testing the grease’s lubrication properties which are used for ball screw. From this experiment, we can obtain electrical contact resistance. Then establish the correlation between signals and tribological behavior by the physical meaning of the measurement signal. Ultimately it may serve as an indicator which on behalf of machine’s operating status. The experimental results show that the fractal parameter which is calculated from electrical contact resistance can effectively corresponding to surface roughness. By use of the surface topography instrument, we can measure the width of the wear scar. Obtaining the trends of contact resistance and surface roughness is an inverse relationship. According to the friction energy model, the fractal parameter from the friction coefficient can be used to predict the possibility of the tribological system to cause sever wear behavior. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。