Browsing by Author "Alamgir Hossain, Mohammad"

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    Capacity constrained materials planning and scheduling in a plastic manufacturing company
    (Department of Industrial and Production Engineering, BUET, 2003-04) Alamgir Hossain, Mohammad; Hasin, Dr. M. Ahsan Akhtar
    The competition is strong between firms in Bangladesh, manuracluring plastIc items, especially in [he areas of bottling of water and other juices. A large number of companies grew over the few years, thereby creating intense competition in the market. The problem, ror a company are manifolds: i) there is generally a huge amount of s[ock, iLltiley don't know how t" load and reiea,e orders when there are multiple SL!nultJneous orders from many customers. etc. Additionally, their capacity is limited, and thus. are alway' overloaded. Therefore. If [hey wam 0 prosper fLHtiler, the company needs to prepLirea good m~teriuls planning _'y,lem, which would minimize average flow time, the mmt commOn measure of scheduling, Though MRPII is a system for material, planning as well, it cannot handle and schedule orders as per capaclly, and prepare an optimal plan. TilliS, it is required that an optimal planning algonlhm would be used for schedLlling orders, and then preparing a buekw~rd scheduling plan lo find out materials purchasing timings_ Thi, ,wdy uSeS Heunslic Algorithm for de,ired perform~nee me~su•.e (~ltel"i1mive.,",-e, number of tardy jobs. minimizing flow lime, minimizing average lateness. etc,) for parallcl Ldcnticalm~ehines_