طراحی زنجیره تأمین حلقه بسته پایدار با رویکرد تصمیم‌گیری چندمعیاره ترکیبی در صنایع لبنی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری مدیریت دولتی، دانشکدة مدیریت، دانشگاه آزاد اسلامی ، واحد اصفهان (خوراسگان)، اصفهان، ایران

2 استادیار دانشگاه صنعتی مالک اشتر اصفهان، شاهین‏ شهر، اصفهان، ایران

3 استادیار گروه اقتصاد، دانشگاه پیام نور، ایران

4 استادیار دانشگاه آزاد اسلامی، واحد اصفهان (خوراسگان)، اصفهان، ایران.

چکیده

یکی از فعالیت‌های مؤثر در مدیریت زنجیره تأمین سازمان‌ها طراحی یک ساختار شبکه زنجیره کارآ و کاربردی است که نقش مهم و به ‏سزایی در موفقیت آنها ایفا می‌کند. با افزایش ملاحظات زیست ‏محیطی و قوانین اجتماعی، سازمان‌ها ملزم می‌شوند که در طراحی زنجیره تأمین خود، علاوه بر اهداف اقتصادی، این‌گونه ملاحظات پایداری را نیز در نظر گیرند. با این رویکرد، در مطالعه حاضر، یک مدل برنامه‌ریزی ریاضی با در نظر گرفتن معیارهای پایداری در­­ شبکه زنجیره تأمین حلقه بسته صنایع لبنی ارائه شد. نخست، مهم‌ترین شاخص‌های پایداری با ابعاد سه‌گانه اقتصادی، زیست‌محیطی و اجتماعی استخراج و اثرگذارترین شاخص‌ها به روش تصمیم‏گیری چندمعیاره دیمتل (DEMATEL) انتخاب ‌شدند. سپس، برای طراحی زنجیره پایدار، یک مدل عدد صحیح مختلط چند­هدفه ارائه شد که اهداف آن همان شاخص‌های حاصل از روش دیمتل بودند. شاخص­ های حاصل از تکنیک دیمتل، شامل هزینه کل از بعد اقتصادی، مصرف آب و مصرف انرژی از بعد زیست­ محیطی و فرصت­ های شغلی از بعد اجتماعی می ­باشد که به عنوان توابع هدف مدل پیشنهادی  تعریف شده ­اند. در ادامه، این مدل به کمک روشL-P متریک و با استفاده از نرم‌افزار GAMS حل شد و مجموعه جواب‌های بهینه پارتویی به‌دست‌آمد. در پایان، پیاده‌سازی مدل پیشنهادی در صنایع شیر پگاه اصفهان در سال 1398 صورت گرفت. اجرای مدل منجر به یافتن هفت دسته جواب بهینه پارتویی شد که از آن میان، کمترین میزان هزینه حدود هفتاد میلیون ریال در ماه، کمترین میزان مصرف آب حدود 760 مترمکعب در ماه، کمترین میزان مصرف انرژی حدود 963 مگاوات در ماه و بیشترین میزان فرصت‌های اشتغال حدود 39 هزار نفرساعت در ماه به‏دست آمد.

کلیدواژه‌ها

عنوان مقاله [English]

Designing a Sustainable Closed-Loop Supply Chain Based on Hybrid Multi-Criteria Decision Making Approach in Dairy Industries

نویسندگان [English]

  • A. Khabooshani 1
  • O. Yousefi 2
  • M. Fadaee 3
  • I. Soltani 4
1 PhD Student in Management, Faculty of Management, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran
2 Assistant Professor, Malek Ashtar University of Technology (MAU), Shahin Shahr, Isfahan, Iran
3 Assistant Professor, Payame Noor University, Iran
4 Assistant Professor, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran
چکیده [English]

One of the effective activities in organization’s supply chain management is the design of an efficient and functional chain network structure that plays a critical and significant role in the achievement of organizations. The increase in environmental considerations and social rules necessitates the organizations to consider such sustainability concerns in designing their supply chains while setting the economic objectives. This study aimed at designing a mathematical programming/planning model by taking into account the sustainability criteria in closed-loop supply chain of dairy industries. The most important sustainability indexes were extracted in three economic, environmental and social aspects and the most effective indexes were initially selected by using DEMATEL technique. Then, a multi-objective mixed integrated planning model was presented for designing the sustainable supply chain, the objectives of which included the indexes obtained from DEMATEL. In the next stage, the model was solved in a metric L-P method by using GAMS software. Thus, a set of optimal Pareto solutions were obtained. Finally, the resultant model was implemented in Isfahan’s Pegah Dairy Industries Company in 2019, resulting in seven optimal Pareto solutions. Based on the solutions obtained, the lowest cost, the lowest consumption rate of water and the lowest consumption rate of energy were found to be about 70 million IR rials, 760 m3 and 963 MWs per month, respectively; and the highest employment opportunities was found to be 39,000 men-hours per month.

کلیدواژه‌ها [English]

  • Sustainable Supply Chain
  • Multi-Objective Decision Making
  • DEMATEL Technique
  • Dairy Industries

مراجع

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