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題 名 | The Effects of Tangential Contact Stiffness on a Harmonically Forced Friction Oscillator=切線接觸剛性對諧振激發摩擦振盪系統之效應 |
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作 者 | 梁晶煒; | 書刊名 | 明志工專學報 |
卷 期 | 29 1997.05[民86.05] |
頁 次 | 頁19-36 |
分類號 | 446.11 |
關鍵詞 | 接觸面剛性; 柔度; 黏滯滑動; 純滑動運動; 動態摩擦; 過渡行為; Transition feature; Stick-slip; Macroscopic and microscopic motions; Tangential contact stiffness and compliance; |
語 文 | 英文(English) |
中文摘要 | 本文研究機械系統中,接觸柔度對動態摩擦行為之影響,此處之柔度,可能源自 於接觸點或周邊系統的彈性變性,本文共分成二個部份,第一部份探討連續純滑動運動振盪 行為,文中我們提出一理想化之接觸模式,此模式包括一質量以諧波方式滑動於無質量的柔 性接觸面上,以致產生摩擦力 -- 速度圖中之磁滯現象,利用此接觸模式,不同的摩擦過渡 行為,將可被預測出並進行定量分析,我們同時利用實驗結果,驗證理論預測出之各種動態 摩擦特性。第二部份針對黏滯滑動之運動行為進行研究;理論分析、電腦模擬及實驗結果中 ,均驗證求得不同尺度的黏滯滑動行為,顯示文中所提出接觸面模式之優越性。 |
英文摘要 | This paper addresses the effects of a compliant contact on the dynamical friction behaviors in mechanical systems. Contact compliance is due to the elastic deformation at the contact point or the surrounding structure. This paper is divided into two parts. The first part focuses on oscillations with continuous macroscopic sliding. An idealizde model consisting of a mass sliding harmonically on a massless compliant contact produces the hysteresis feature seen in frictionvelocity plots. Transition features, depending on the contact stiffness, friction level, and frequency/amplitude of oscillation, are predicted and quantified. Experiments have been conducted to verify the model. The model and associated analysis provide a means for interpreting experimental transition behaviors. The second part of the paper addresses the sticking dynamics associated with a macroscopic stick-slip process. During a stick, the mass undergoes a microscopic oscillation at the contact. This can involve a microscale stick-slip process. We refer to the entire process as a double stick-slip event. Numerical and experimental studies are compared. |
本系統中英文摘要資訊取自各篇刊載內容。