- 學位論文
空間RSSR機構在中置式雨刷連桿設計中的應用
Application of Spatial RSSR Mechanism in Mid-Mounted Wiper Linkage Design
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摘要
本研究中建立了一個三維中置型雨刷連桿的運動和受力模型，通過優化桿件長度以獲得較低的雨刷輸出桿加速度。相較於二維的雨刷連桿運動，三維的雨刷連桿可以提供更精準的運動數據。使用尤拉角方法對座標系進行轉換，統一坐標系以求出雨刷連桿的運動方程式和受力方程式，計算出雨刷連桿的運動特性和接頭受力。最後，使用差分進化演算法來優化雨刷連桿的長度。通過差分進化演算法對一組市售的中置型雨刷連桿進行優化，假設角速度為1 rad/sec，使輸入桿以等速旋轉。設置12個限制條件作為差分進化演算法優化時必須達成的要求，並在達成這些限制條件後，使特定目標函數取得最小值，從而得到各桿件的最佳長度。這12個限制條件如下: 雨刷刷拭區範圍、各桿件傳力角的範圍以及各連桿的長度範圍。
並列摘要
In this study, a motion and force model of a three-dimensional center-mounted wiper linkage was established, optimizing the linkage lengths to achieve lower acceleration of the wiper output rod. Compared to the two-dimensional wiper linkage motion, the three-dimensional wiper linkage provides more precise motion data. The Euler angles method was used to transform the coordinate system, unifying the coordinates to derive the motion and force equations of the wiper linkage. The motion characteristics and joint forces of the wiper linkage were calculated. Finally, the lengths of the wiper linkage were optimized using the differential evolution algorithm. The differential evolution algorithm was applied to optimize a commercially available center-mounted wiper linkage, assuming an angular velocity of 1 rad/sec for the input rod to rotate at a constant speed. Twelve constraints were set as requirements that must be met during the optimization process using the differential evolution algorithm. Once these constraints were satisfied, the specific objective function was minimized to determine the optimal lengths of the linkage parts. These twelve constraints are as follows: the wiper sweeping area range, the range of transmission angles for each linkage part, and the length range of each linkage.
參考文獻
[1] 林裕峰，2019，雨刷連桿優化技術之建立，碩士論文，屏東科技大學，車輛工程系研究所，屏東。
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