【正文】 ...................................................................................... 33 4 高速空間并聯(lián)坐標(biāo)測量機(jī)動力學(xué)行為的數(shù)值仿真分析 .......................... 34 引言 ........................................................................................................................... 34 方程求解 ................................................................................................................... 34 動平臺的運動特性分析 ........................................................................................... 36 驅(qū)動桿的動應(yīng)力分析 ............................................................................................... 43 頻率特性分析 ........................................................................................................... 57 非線性特性分析 ....................................................................................................... 60 本章小結(jié) ................................................................................................................... 65 5 結(jié)論與展望 ............................................................................................. 66 山東科技大學(xué)工程碩士學(xué)位論文 目錄 主要結(jié)論 ................................................................................................................... 66 工作展望 ................................................................................................................... 66 致 謝 .......................................................................................................... 67 參考文獻(xiàn) .......................................................................... 錯誤 !未定義書簽。 攻讀碩士學(xué)位期間從事科學(xué)研究及發(fā)表論文情況 ....................................... 72 山東科技大學(xué)工程碩士學(xué)位論文 目錄 Contents 1 Introduction ................................................................................................ 1 Current research of measuring machine at home and abroad ............................................. 1 The elastodynamics research of parallel institutions ................................................... 1 Research significance of subject ........................................................................................ 3 Main content of the subject ............................................................................................... 3 2 Kinematic analysis of highspeed PCMM.......................................................... 5 Foreward........................................................................................................................ 5 Configuration analysis of PCMM ...................................................................................... 5 Kinematic analysis of PCMM ........................................................................................... 6 Summary...................................................................................................................... 12 3 Elastic modeling of highspeed PCMM ........................................................... 13 Foreward...................................................................................................................... 13 Element elastic dynamic equations .................................................................................. 13 Branch elastic dynamic equations .................................................................................... 20 System elastic dynamic equations .................................................................................. 244 Summary...................................................................................................................... 33 4 Numerical simulation analysis of the dynamic behavior of highspeed PCMM ...... 34 Foreward ........................................................................................................................ 34 Solution of equation......................................................................................................... 34 Kinematic Analysis of moving platform ............................................................................. 36 Dynamic stress analysis of the driving limbs ....................................................................... 43 Analysis of frequency characteristics ............................................................................... 577 Analysis of nonlinear dynamics ....................................................................................... 60 Summary........................................................................................................................ 65 5 Conclusions and Prospects ........................................................................... 66 山東科技大學(xué)工程碩士學(xué)位論文 目錄 Conclusions ................................................................................................................... 66 Prospects...................................................................................................................... 66 Acknowledgement ............................................................................................ 67 References ...................................................................................................... 67 Scientific research and published papers .............................................................................. 72 山東科技大學(xué)工程碩士學(xué)位論文 緒論 1 1 緒 論 測量機(jī)的國內(nèi)外發(fā)展?fàn)顩r 1959 年，英國制造了世界上第一臺測量機(jī) [1,2]。 1996 年，日本靜岡大學(xué)的 Takaaki Oiwa及其團(tuán)隊開始了早期的并聯(lián)坐標(biāo)測量機(jī)的研究。隨后，俄羅斯的 Lapik 公司， Florida Atlantic 大學(xué)的 Zhuang Hanqi,日本工業(yè)技術(shù)研究院的 Yoshihiko 等也對坐標(biāo)測量機(jī)進(jìn)行了研究 [3]。另外， . McBain 對 UMM 500 型坐標(biāo)測量機(jī)的各項參數(shù)進(jìn)行了評價，在超精測量和定位