Ashkan Ayough
Department of Industrial Management, Management and Accounting Faculty, Shahid Beheshti University, G.C., Tehran, Iran.
[ 1 ] - Adaptive aggregate production planning with fuzzy goal programming approach
Aggregate production planning (APP) determines the optimal production plan for the medium term planning horizon. The purpose of the APP is effective utilization of existing capacities through facing the fluctuations in demand. Recently, fuzzy approaches have been applied for APP focusing on vague nature of cost parameters. Considering the importance of coping with customer demand in different p...
[ 2 ] - زمان‌بندی گردش شغلی درون و برون سلول‌های ناب با رویکرد الگوریتم بهینه‌سازی مبتنی بر آموزش و یادگیری
سیستم‌های سرو در زمره پیشرفته‌ترین سیستم‌های تولید تکراری به شمار می‌روند که در حجم کم یا متوسط تولید می‌کنند. این سیستم‌ها متشکل از چندین سلول بوده و از طریق روش‌های نوین تخصیص متصدی ها، به بهترین زمان جریان کار دست می‌یابند. تحقیقات انجام‌شده در این حوزه بیشتر به جنبه‌های شکل‌گیری، تخصیص و توالی محصولات مختلف به سلول‌ها توجه کرده‌اند و موضوع تخصیص متصدی ها که بااهمیت‌ترین عنصر در این سیستم...
[ 3 ] - Integrated Process Planning and Active Scheduling in a Supply Chain-A Learnable Architecture Approach
Through the lens of supply chain management, integrating process planning decisions and scheduling plans becomes an issue of great challenge and importance. Dealing with the problem paves the way to devising operation schedules with minimum makespan; considering the flexible process sequences, it can be viewed as a fundamental tool for achieving the scheme, too. To deal with this integration, t...
[ 4 ] - Multiobjective Sourcing and Lot Sizing of Drug with Considering Multi-Sourcing and Lateral Transshipment in Stochastic Conditions with Simulation Optimization Method
In this paper, the issue of integrated supplier selection and inventory policy for a drug distribution company with multiple warehouses is examined. In this research, warehouses are faced with stochastic demand and inventory of their medicines is provided by one or more suppliers that are located in a given set of candidates with price, quality and characteristics of the disruption. In addition...
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