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系統識別號 U0026-2506201309262000
論文名稱(中文) 不連續階段販賣易腐性商品之訂購政策
論文名稱(英文) The Ordering Policy for the Perishable Items in Discontinuous Stages
校院名稱 成功大學
系所名稱(中) 工業與資訊管理學系
系所名稱(英) Department of Industrial and Information Management
學年度 102
學期 1
出版年 103
研究生(中文) 林思辰
研究生(英文) Szu-Chen Lin
學號 r36004053
學位類別 碩士
語文別 中文
論文頁數 64頁
口試委員 指導教授-王泰裕
口試委員-林君維
口試委員-陳梁軒
口試委員-蔡青志
中文關鍵字 不連續階段販賣  易腐性產品  訂購政策 
英文關鍵字 discontinuous selling stage  perishable products  ordering policy 
學科別分類
中文摘要   存貨管理於今日已被廣泛使用於各種產業,良好的存貨管理系統除了可以幫
助管理者做出適當的訂購政策,還可讓存貨成本下降。有些存貨隨著存放時間的
增加會產生腐敗的情況,例如生鮮類食品,由於商品的腐敗情況明顯,因腐敗而
造成的損失對於整體利潤可能產生極大的影響,若能將商品易腐的特性納入存貨
政策加以考量,可使模式更趨於實際的情況,以達到提高利潤的目的。
  觀察我國傳統市場的型態,具有不連續販賣時期的特性,對於在早市與黃昏
市場都有進行販賣的商家而言,早市營業結束後為休市時間,待休市時間結束後
又開始在黃昏市場進行販賣,本研究在此稱之為不連續階段的販賣架構。同時販
賣生食與熟食的商家也適用於上述架構,對於店中販售的生鮮食品,商家可在第
一階段販賣結束後進行加工烹煮,於第二階段將商品以另一種形式被販賣。
  本研究建構出適用於前述兩種情境的非連續階段販賣的存貨模式,以最大化
零售商利潤為目標制定存貨訂購政策,並利用實際參數分別驗證兩個模式,再以
敏感度分析歸納出對於整體政策及利潤影響較大的參數。分析結果顯示,售價和
需求量對於利潤的影響較明顯,而需求量對於整體存貨政策較敏感,另外,當週
期時間較短時,腐敗函數參數的設定差異對於利潤的影響會越明顯,因此在設定
上需特別注意。
英文摘要   Inventory management has been widely applied to production management in many industries. A good inventory management system can not only help in making an appropriate order policy, but also significantly decrease inventory costs. Some types of inventory, such as fresh food, would deteriorate over time and this deterioration can have a profound impact on profit. Considering deterioration when
making an inventory policy would make the related models more realistic, and thus can enhance profits.
  Traditional markets in Taiwan have the characteristic of discontinuous selling stages. For example, for those vendors who sell fresh food at both morning and evening markets, after the former has closed there is a break of several hours before the latter starts. This kind of discontinuous selling can also be seen at supermarkets that sell both fresh and cooked food. After the end of the first period selling of fresh food, the food can be cooked then be sold as another type of goods in the second selling period.
  In this study, two discontinuous selling stages models for these two situations are implemented to maximize profits and develop better ordering policies. Numerical cases are also provided to verify the models, and sensitivity analysis is conducted to find which parameters are more influential with regard to total profits and ordering policies. The results show that selling price and demand have greater effects on profits, while the demand parameter has a significant effect on the ordering policy. In addition, as the cycle time gets shorter, the influence of the deterioration rate function on the total profit becomes more significant, and so this parameter should be set very
carefully.
論文目次 摘 要 I
Abstract II
致 謝 III
目 錄 IV
表目錄 VI
圖目錄 VII
第一章 緒論 1
第一節 研究背景與動機 1
第二節 研究目的 3
第三節 研究範圍與限制 4
第四節 研究流程 4
第五節 論文架構 5
第二章 文獻探討 7
第一節 存貨模式的基本特性 7
第二節 易腐性存貨 11
第三節 易腐性存貨模式的相關研究 13
第四節 小結 20
第三章 不連續階段販賣易腐性商品之存貨模式21
第一節 問題描述 21
第二節 模式假設與參數符號 22
第三節 模式建立 26
第四節 模式求解 34
第五節 小結 40
第四章 模式驗證與分析 42
第一節 問題情境說明 42
第二節 模式參數估計 43
第三節 結果與分析 49
第四節 小結 57
第五章 結論與建議 58
第一節 研究成果 58
第二節 未來研究方向 59
參考文獻 60
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