臺灣博碩士論文加值系統

　　在一般傳統倉庫揀貨效率研究中，通常只考慮平面倉儲，對於多層料架倉儲的研究較少，且著重於自動倉儲系統（Automated storage / retrieval system；AS/RS）。但因AS/RS系統設備投資金額龐大，許多公司仍以多層料架傳統倉儲為主，不僅投資金額小，且可有效節省空間。本研究以面板次級品倉庫為例，考量垂直與水平移動時間差異造成最小化行走距離並不代表最小揀貨時間的特性，探討不同儲位指派與不同揀貨路徑策略之揀貨效率及其優劣。研究目的為在多層料架傳統倉儲中，依不同的揀貨需求來模擬分析出較為適當之儲位指派與揀貨路徑策略，並提供管理者作為提升倉庫揀貨績效之參考。

　　本研究根據文獻探討及實務上的了解，訂定出影響面板次級品倉庫揀貨績效之因子：三種儲存策略(隨機指派，ABC分類水平存放及ABC分類垂直存放)、三種路徑策略（穿越式，迴轉式，組合式）、三種揀貨密度（5%，15%，30%）。首先，利用歷史出貨訂單資料來作訂單-品項-數量（EIQ）分析，將產品區分為A、B、C三類，作為儲位指派之依據。再將各因子及階層列出，作交叉組合後，使用AutoMod模擬軟體求出各組合之揀貨績效，並探討其揀貨時間與揀貨距離之間的關係。

　　In the research of traditional warehouse picking efficiency, most studies consider single-level rack warehouses, or focus on AS/RS (Automated storage/ retrieval system) systems. Few consider traditional multi-level rack warehouses. However, most companies use traditional multi-level rack warehouses rather than AS/RS systems due to economic reasons. Further, traditional multi-level rack warehouses create more space for storing goods than single-level rack warehouses with a reasonable investment.

　　Taking a downgrade panel storage warehouse as an example, this thesis has considered the difference of moving distance between vertical and horizontal storage. That is, minimum moving distance does not means minimum picking time. This thesis explores the picking efficiency under different combinations of storage assignment and picking route strategies, and compare their performances by using a simulation software.

中文摘要…………………………………………………………iii
英文摘要…………………………………………………………iv
誌 謝…………………………………………………………v
論文目錄…………………………………………………………vi
表目錄……………………………………………………………ix
圖目錄……………………………………………………………xi
第1章 緒論………………………………………………………1
1.1 研究背景…………………………………………………1
1.2 研究動機…………………………………………………3
1.3 研究目的…………………………………………………4
1.4 研究架構…………………………………………………4
1.5 研究範圍與限制…………………………………………6
1.6 論文架構…………………………………………………7
第2章 文獻回顧…………………………………………………8
2.1 儲位指派…………………………………………………9
2.2 儲區通道…………………………………………………14
2.3 因子組合…………………………………………………16
2.4 模擬法應用………………………………………………21
2.5 小結………………………………………………………24
第3章 研究方法…………………………………………………26
3.1 問題描述…………………………………………………26
3.2 EIQ分析法………………………………………………28
3.2.1 何謂EIQ……………………………………………28
3.2.2 EIQ分析法符號說明………………………………28
3.2.3 EIQ分析步驟………………………………………29
3.2.4 EIQ分析範例………………………………………30
3.2.5 ABC分析……………………………………………34
3.3 倉儲系統架構設定………………………………………35
3.3.1 倉儲佈置說明……………………………………35
3.3.2 儲位指派規劃……………………………………37
3.3.3 揀貨路徑規劃……………………………………39
3.3.4 揀貨密度及時間計算……………………………42
3.4 倉儲設計模式之系統作業流程…………………………46
3.5 模擬法應用說明…………………………………………48
第4章 模擬結果分析……………………………………………51
4.1 EIQ分析…………………………………………………51
4.2 模擬實驗分析……………………………………………54
4.2.1模擬結果分析—總揀貨時間的績效指標…………55
4.2.2模擬結果分析—總揀貨距離的績效指標…………57
4.3 實驗綜合說明……………………………………………59
4.4 實驗結果驗證……………………………………………62
4.4.1模擬結果驗證—總揀貨時間的績效指標…………63
4.4.2模擬結果驗證—總揀貨距離的績效指標…………65
第5章 結論與建議………………………………………………68
5.1 研究結論…………………………………………………68
5.2 未來研究建議……………………………………………69
參考文獻 …………………………………………………………70
中文文獻 ………………………………………………………70
英文文獻 ………………………………………………………71

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