公司在競爭激烈的環境下想要提高獲利，除了降低生產成本及提高銷售量之外，最重要的就是提升物流的效率。因此，企業必須提供有效率的物流運籌網路來因應快速的顧客回應需求。一般物流管理中，最簡單的問題是車輛運途問題，是從旅行銷售員問題演變而來，因此本論文導入最新的仿生物演算法，研究最基本的具容量限制之車輛運途問題，最主要的目標就是最小化車輛行駛距離，減少運輸時間的浪費。
本研究提出基植於蜂群演算法(Artificial Bee Colony)結合掃描法(Sweep Method)的混合式蜂群演算法，稱為sABC 演算法，對具有容量限制的車輛運途問題快速提出一個近似最佳解，主要目標在於滿足所有限制條件下，達到總成本（運輸及營運）的最小化。為了驗證所提出sABC演算法的效能，本研究與基因演算法做比較，求解60組不同車輛容量下運途的標竿問題，本研究的sABC演算法都能找出比基因演算法更好的最佳成本解，總平均成本改善率達到23.75%。相較於基因演算法，我們所提出的sABC演算法呈現出具有相當穩健、快速收斂至最佳解及有效搜尋全局最佳解的能力。

Companies would like to make profits in the awfully competitive environment. In addition to reducing manufacturing cost and expanding sales, the efficiency of logistics management is also considered as the additional source of profit. Increasing efficiency of logistics becomes important in the supply chain owing to customer’s quick response requirements. In the general logistics management, the basic problem is the Vehicle Routing Problem (VRP) which is extended from the Travelling Salesman Problem. Therefore, we develop a novel artificial biological algorithm to solve the Capacitated Vehicle Routing Problem (CVRP) which is a basic variation form the VRP. This thesis focuses on the CVRP aiming at finding the shortest routes and decreasing the transportation time.
The hybrid algorithm, called sABC, is proposed in this thesis to solve the combinatorial optimal solution of the CVRP. The sABC method is based on the new developed Artificial Bee Colony combined with the sweep method to quickly generate a near optimum solution. Comparisons are made between the sABC method and the Genetic Algorithm (GA) over the experiments of different capacitated benchmark problems to validate the performance of the sABC algorithm. Each set of the 60 instances contains 100 nodes. Three test sets, call G1, G2 and G3, have been used to analyze the effect of vehicle-related constraints. Experiment results show that the sABC algorithm was able to discover new solutions than the GA for all 60 benchmarks problems. Moreover, the computational results show that the sABC algorithm is robust, converge fast and competitive with overall improvement of 23.75% over the GA.

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