本文選題：機電集成 + 靜電諧波傳動�。� 參考：《燕山大學》2011年碩士論文

【摘要】：機電集成靜電諧波傳動是一種集控制、驅動和傳動功能于一體的新型廣義復合傳動,利用柔輪的波動變形實現(xiàn)運動傳遞和運動轉換。隨著系統(tǒng)尺寸的減小,分子力的作用越來越明顯,整個傳動系統(tǒng)的動力學性能將隨之改變。 本文建立了考慮分子力時機電集成靜電諧波傳動的機電耦合靜力學模型,推導了柔輪徑向位移方程和輸出扭矩方程,分析了范德華力和開西米爾力對柔輪徑向位移和輸出扭矩的影響規(guī)律。結果表明,范德華力和開西米爾力對柔輪徑向位移和輸出扭矩的影響在某些條件下不可忽略。 利用考慮分子力影響的機電耦合動力學方程,研究了范德華力和開西米爾力對柔輪固有頻率和振動模態(tài)的影響規(guī)律。利用模態(tài)疊加法,給出了同時考慮靜電力和分子力時機電集成靜電諧波微型傳動系統(tǒng)在電壓擾動下的強迫響應方程。運用該方程,研究了范德華力和開西米爾力對于系統(tǒng)強迫響應的影響規(guī)律。結果表明,在某些情況下分子力對柔輪振動模態(tài)的影響較為明顯,且分子力對于傳動系統(tǒng)強迫響應具有重要影響。 采用非線性近似解析方法,研究了考慮電場力和范德華力非線性影響時柔輪弱非線性自由振動和受迫振動,給出了非線性振動隨著系統(tǒng)相關參數(shù)的變化規(guī)律。 利用Pro/ENGINEER軟件,對柔輪進行了三維實體建模,并簡化成平面應變模型,利用Pro/MECHANICA軟件和ANSYS軟件對分子力作用下柔輪的靜態(tài)位移以及振動頻率進行了仿真研究,并和理論分析結果進行了對比,證明了理論分析的正確性。
[Abstract]:Electromechanical integrated electrostatic harmonic transmission is a new type of generalized compound transmission which integrates the control, drive and transmission functions. The flexible wheel is used to transfer and transform the motion by using the fluctuation deformation of the flexible wheel. With the decrease of system size, the effect of molecular force becomes more and more obvious, and the dynamic performance of the whole transmission system will change. In this paper, the electromechanical coupling statics model of electromechanical integrated electrostatic harmonic drive considering molecular force is established, and the radial displacement equation and output torque equation of flexible wheel are derived. The influence of van der Waals force and open-Simil force on radial displacement and output torque of flexible wheel is analyzed. The results show that the influence of van der Waals force and open-Simil force on the radial displacement and output torque of flexible wheel can not be ignored under some conditions. The influence of van der Waals force and Kai Simil force on the natural frequency and vibration mode of flexible wheel is studied by using the electromechanical coupling dynamic equation considering the influence of molecular force. By means of modal superposition method, the forced response equation of electromechanical integrated electrostatic harmonic miniature transmission system under voltage disturbance is given when both electrostatic and molecular forces are considered. The effect of van der Waals force and Kaisimir force on the forced response of the system is studied by using this equation. The results show that the effect of molecular force on the vibration mode of flexible wheel is obvious in some cases, and the molecular force has an important effect on the forced response of transmission system. Using nonlinear approximate analytical method, the weak nonlinear free vibration and forced vibration of flexible wheel under the influence of electric field force and van der Waals force are studied, and the variation law of nonlinear vibration with related parameters of the system is given. The three-dimensional solid model of flexible wheel is built by using Pro/ENGINEER software and simplified into plane strain model. The static displacement and vibration frequency of flexible wheel under molecular force are simulated by Pro/MECHANICA and ANSYS software. Compared with the theoretical analysis results, the correctness of the theoretical analysis is proved.
【學位授予單位】：燕山大學
【學位級別】：碩士
【學位授予年份】：2011
【分類號】：TH132.43

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