頁籤選單縮合
題 名 | 工作站限制下最適生產線平衡之佈置=Optimal Layout of Assembly Line Balancing with Constrained Workstations |
---|---|
作 者 | 藍俊雄; 藍天雄; 余玟慧; 黃堯申; 張耿睿; | 書刊名 | 中華管理發展評論 |
卷 期 | 3:1/2 2011.12[民100.12] |
頁 次 | 頁283-297 |
分類號 | 494.542 |
關鍵詞 | 生產線平衡; 工作負荷平滑化; 平衡效率; Assembly line balancing; LINGO; Workload smoothing; Balancing efficiency; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究主要探討周程時間最小化(Type II )與工作負荷平滑化(Type III)考量下之生產平衡效率問題。研究發現在工作站排給定條件下以Type II為目標考量的生產線平衡問題的平衡效率較為優異。一般認為當工作負荷平滑化(Typ e III)的目標追求之下應會有較佳的平衡效率產出,但本研究透過數值範例進行不同工作站數改變下的模擬情況,其結果發現在Type II為目標時的生產線佈置有著較佳的平衡效率表現。探究結果,發現當追求Type II的目標,若工作站數給予過大的佈置空間時,最佳解將傾向將生產周程時間加以放大,同時並進行工作單元的佈置調動,以追求各工作站平均負荷變異最小化的目標。而若工作站數充分且適當的給予時,Type II 與Type III目標下的最佳解僅有佈置單元配置不同的差異,而在生產率及平衡效率部份均無顯著的差異存在。而當工作站數給定過於過當時,Type II仍會以追求目標式的最小周程時間為主,而Type III則趨向放大周程時間來追求工作站平均負荷變異最小化的目標,因此導致Type III在平衡效率與生產速率評估下皆較Type II差。本研究的數學模式乃藉由LINGO 9.0套裝軟體的語法來加以建構並選擇軟體內建的Global Solver進行全域最佳解的求取。因此對於有關生產線平衡Type II、Type III問題的最佳佈置均可藉由本研究所提出的模式加以獲取。綜言之本研究因架構在套裝軟體的使用求解,因此具有高度的重現特性,在生產實務應用上,實為一有價值的決策工具。 |
英文摘要 | This study mainly investigates the efficiency of assembly line balancing (ALB) with the consideration of the minimization of cycle time (type II) and workload smoothing (type III). The major finding of this work shows that the ALB solution of type II is better than type III under a given number of workstations. Commonly thinking, the more workload smoothing makes the more ALB efficiency. Through the simulation of variable number of workstations , the ALB efficiency of type II is often tie or ahead than type III. When the number of workstations is satisfied enough, the research suggested solution is going to type III because type III not only owns ALB efficiency and cycle time have insignificant difference than type II, but creates the better workload smoothing. Appositively, if the number of workstations is over satisfied enough (slack), the solution of type III tends to enlarge the cycle time to achieve its objective. Meanwhile, the solution of type II remains its objective to reach the minimum of cycle time. Facing the above-mentioned situation, the type II will ahead the type III under the consideration of the maximum production rate. Two mathematical models proposed in this paper are constructed by the syntax of Lingo 9.0, and the built-in "global solver" is selected as the solving method to conduct the searching of global optimum solutions. This work functions as a valuable decision tool in practical applications because of its repeated characteristic. |
本系統中英文摘要資訊取自各篇刊載內容。