近年來五軸側銑被廣泛應用於複雜曲面的加工，包括汽車、航太、模具與能源等產業。由於額外的刀具旋轉自由度，五軸側銑提供較佳的成型能力與材料移除率，然而其刀具路徑規劃複雜度高，電腦輔助製造軟體的支援不足，仍無法有效控制加工曲面的誤差。此路徑規劃可轉換為數學規劃問題，運用全域最佳化演算法求解，藉此降低曲面的加工誤差。轉換後的問題具有高維度、高度非線性的特性，求解過程的計算效率，或收斂解的品質均不佳。有鑑於此，本研究基於粒子群最佳化演算法，針對直紋曲面的五軸側銑，發展進階式刀具路徑規劃方法，除了改善上述的問題，亦將利用演化計算的優勢，進行路徑規劃方式的創新。研究目的包括了改良刀具運動模式、增加計算效率、提升最佳化路徑品質與結合先進差補技術，分別完成「往復式刀具路徑產生」、「多重路徑規劃」、「結合電腦繪圖晶片」、「擴大刀具運動範圍」、「使用改良式粒子群演算法」與「基於類曲線插補之路徑規劃」等具體工作。根據不同曲面產生的刀具路徑，進行實際切削加工、量測與模擬，測試結果驗證了提出方法的效能。本研究兼具學理創新與應用價值，充分發揮基於全域最佳化之五軸側銑路徑規劃的優勢，不僅有效控制加工曲面的誤差，亦提供新穎的路徑規劃模式，提升複雜幾何的製造技術水準。

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