Optimal circular economy and process maintenance strategies for an imperfect production-inventory model with scrap returns
學年 111
學期 2
出版（發表）日期 2023-07-08
作品名稱 Optimal circular economy and process maintenance strategies for an imperfect production-inventory model with scrap returns
作品名稱（其他語言）
著者 Yang, Chih-te
單位
出版者
著錄名稱、卷期、頁數 Mathematics 2023 11(14),　3041
摘要 To protect our environment, current firms are committed to the circular economy and process maintenance strategies to reduce the waste of resources. In this way, they can also save costs and create an enterprise image and value. Therefore, this study explores an imperfect production system with a circular economy and process maintenance activities, wherein the defective products can be converted into scrap returns (i.e., secondary raw materials) and products can be manufactured using mixed materials containing scrap returns. The proposed system considers multiple products with varying feed rates of scrap returns. According to the scenario of the aforementioned production system, this paper develops a production–inventory model aimed at cost minimization, in which the production run time, purchased quantity of material, number of maintenance times, and recovery rate are decision variables. Furthermore, we also develop a computational algorithm to obtain these optimal solutions efficiently. Finally, the numerical and sensitivity analyses based on a practical case are presented to illustrate the applicability of our method and some managerial implications. For example, both strategies efficiently reduce the total cost per unit time in the proposed numerical example. The sensitivity results can be used to determine the optimal combination of two strategies and the execution moment under various changes in cost parameters.
關鍵字 inventory;circular economy;imperfect processes;maintenance;scrap returns
語言 zh_TW
ISSN 2227-7390
期刊性質 國外
收錄於 SCI Scopus
產學合作
通訊作者 Yang, Chih-te
審稿制度 是
國別 TWN
公開徵稿
出版型式 ,電子版
相關連結

機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/124254 )