Hierarchical production planning : application of the linear programming and lot sizing mo | |
| Author | Litkouhi, Daryoush |
| Call Number | AIT Thesis no. IE-88-13 |
| Subject(s) | Production planning Economic lot size |
| Note | A thesis summitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Engineering and Technology |
| Publisher | Asian Institute of Technology |
| Abstract | This thesis addresses a production planning problem in a polyester factory. The problem is formulated in a multi-item, single level, multi-machine, capacitated environment. Demand is considered deterministic. The objective of the production planning is to select production quantities of products which maximize the profit of the factory. A hierachical production planning with two recognized levels is formulated. In the first level, a linear programming model is advised for profit maximization which can provide additional managerial information. In the second level, a lot sizing model is considered to minimize the setup cost and inventory holding cost of production for multi-machine. This level solves the problem of scheduling the timing and quantities of production. Problem is decomposed into a series of one machine capacitated dynamic lot sizing problems which are then solved by three available heuristic methods. Two inventory policy were tested on the hierarchical production planning and the results are compared to select the policy. This thesis theoretically contributes to three heuristics tests with large number of runs in the case of full utilization. In addition, the sensitivity of the beginning inventory on the heuristics was examined. |
| Year | 1988 |
| Type | Thesis |
| School | School of Engineering and Technology (SET) |
| Department | Other Field of Studies (No Department) |
| Academic Program/FoS | Industrial Engineering (IE) |
| Chairperson(s) | Fujiwara, Okitsugu |
| Examination Committee(s) | Awate, Prakash G. ;Saeed, Khalid |
| Degree | Thesis (M.Eng.) - Asian Institute of Technology, 1988 |